./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_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_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/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 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/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 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:19:08,401 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:19:08,402 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:19:08,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:19:08,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:19:08,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:19:08,412 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:19:08,413 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:19:08,414 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:19:08,415 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:19:08,415 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:19:08,415 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:19:08,416 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:19:08,417 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:19:08,418 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:19:08,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:19:08,419 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:19:08,420 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:19:08,421 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:19:08,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:19:08,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:19:08,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:19:08,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:19:08,425 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:19:08,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:19:08,426 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:19:08,426 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:19:08,427 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:19:08,427 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:19:08,428 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:19:08,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:19:08,429 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:19:08,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:19:08,429 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:19:08,430 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:19:08,430 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:19:08,430 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 03:19:08,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:19:08,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:19:08,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:19:08,441 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:19:08,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:19:08,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:19:08,441 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 03:19:08,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 03:19:08,442 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 03:19:08,443 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:19:08,443 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:19:08,443 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:19:08,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:19:08,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:19:08,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:19:08,444 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:19:08,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:19:08,444 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:19:08,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:19:08,444 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 03:19:08,444 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:19:08,444 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_09757eeb-411d-403a-b8da-33cd4703e71a/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 -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2018-12-02 03:19:08,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:19:08,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:19:08,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:19:08,478 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:19:08,479 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:19:08,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-02 03:19:08,519 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/1c27528d2/c94fd09f4f8a41b4931c0d56a74c95c5/FLAG71d707acb [2018-12-02 03:19:08,836 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:19:08,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-02 03:19:08,843 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/1c27528d2/c94fd09f4f8a41b4931c0d56a74c95c5/FLAG71d707acb [2018-12-02 03:19:08,852 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/1c27528d2/c94fd09f4f8a41b4931c0d56a74c95c5 [2018-12-02 03:19:08,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:19:08,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 03:19:08,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:19:08,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:19:08,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:19:08,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:08" (1/1) ... [2018-12-02 03:19:08,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5fc0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:08, skipping insertion in model container [2018-12-02 03:19:08,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:08" (1/1) ... [2018-12-02 03:19:08,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:19:08,885 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:19:09,103 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:19:09,118 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:19:09,151 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:19:09,184 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:19:09,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09 WrapperNode [2018-12-02 03:19:09,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:19:09,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:19:09,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:19:09,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:19:09,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... [2018-12-02 03:19:09,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... [2018-12-02 03:19:09,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... [2018-12-02 03:19:09,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... [2018-12-02 03:19:09,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... [2018-12-02 03:19:09,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... [2018-12-02 03:19:09,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... [2018-12-02 03:19:09,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:19:09,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:19:09,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:19:09,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:19:09,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/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 03:19:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:19:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:19:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 03:19:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 03:19:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 03:19:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 03:19:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 03:19:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 03:19:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 03:19:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 03:19:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 03:19:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 03:19:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 03:19:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 03:19:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 03:19:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 03:19:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 03:19:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-02 03:19:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-02 03:19:09,492 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 03:19:09,608 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 03:19:09,730 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:19:09,730 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 03:19:09,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:09 BoogieIcfgContainer [2018-12-02 03:19:09,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:19:09,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:19:09,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:19:09,734 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:19:09,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:19:08" (1/3) ... [2018-12-02 03:19:09,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ca8353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:09, skipping insertion in model container [2018-12-02 03:19:09,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:09" (2/3) ... [2018-12-02 03:19:09,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ca8353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:09, skipping insertion in model container [2018-12-02 03:19:09,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:09" (3/3) ... [2018-12-02 03:19:09,736 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-02 03:19:09,744 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:19:09,750 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-02 03:19:09,762 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-02 03:19:09,780 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:19:09,780 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:19:09,780 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 03:19:09,780 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:19:09,780 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:19:09,781 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:19:09,781 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:19:09,781 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:19:09,781 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:19:09,790 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-12-02 03:19:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:19:09,796 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:09,797 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:09,798 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:09,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:09,802 INFO L82 PathProgramCache]: Analyzing trace with hash -36030759, now seen corresponding path program 1 times [2018-12-02 03:19:09,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:09,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:09,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:09,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:09,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:09,926 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 03:19:09,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:09,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:19:09,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:19:09,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:19:09,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:09,941 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2018-12-02 03:19:10,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,027 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-12-02 03:19:10,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:19:10,029 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-02 03:19:10,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,036 INFO L225 Difference]: With dead ends: 74 [2018-12-02 03:19:10,037 INFO L226 Difference]: Without dead ends: 71 [2018-12-02 03:19:10,038 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 03:19:10,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-02 03:19:10,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-12-02 03:19:10,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 03:19:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-12-02 03:19:10,064 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2018-12-02 03:19:10,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,064 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-12-02 03:19:10,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:19:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-12-02 03:19:10,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:19:10,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,065 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:10,065 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,066 INFO L82 PathProgramCache]: Analyzing trace with hash -36030758, now seen corresponding path program 1 times [2018-12-02 03:19:10,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,125 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 03:19:10,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:10,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:19:10,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:19:10,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:19:10,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:19:10,127 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 6 states. [2018-12-02 03:19:10,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,203 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-12-02 03:19:10,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 03:19:10,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-12-02 03:19:10,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,205 INFO L225 Difference]: With dead ends: 70 [2018-12-02 03:19:10,205 INFO L226 Difference]: Without dead ends: 70 [2018-12-02 03:19:10,205 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 03:19:10,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-02 03:19:10,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2018-12-02 03:19:10,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 03:19:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-12-02 03:19:10,210 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2018-12-02 03:19:10,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,210 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-12-02 03:19:10,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:19:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-12-02 03:19:10,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:19:10,210 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,211 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:10,211 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,211 INFO L82 PathProgramCache]: Analyzing trace with hash -7401608, now seen corresponding path program 1 times [2018-12-02 03:19:10,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,250 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 03:19:10,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:10,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:19:10,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:19:10,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:19:10,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:10,251 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2018-12-02 03:19:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,262 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-02 03:19:10,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:19:10,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-02 03:19:10,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,263 INFO L225 Difference]: With dead ends: 64 [2018-12-02 03:19:10,264 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 03:19:10,264 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 03:19:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 03:19:10,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-02 03:19:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 03:19:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-12-02 03:19:10,269 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2018-12-02 03:19:10,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,270 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-12-02 03:19:10,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:19:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-12-02 03:19:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:19:10,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,271 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:10,271 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,271 INFO L82 PathProgramCache]: Analyzing trace with hash 472905528, now seen corresponding path program 1 times [2018-12-02 03:19:10,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,301 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 03:19:10,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:10,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:19:10,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:19:10,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:19:10,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:10,302 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2018-12-02 03:19:10,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,316 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-12-02 03:19:10,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:19:10,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-02 03:19:10,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,318 INFO L225 Difference]: With dead ends: 64 [2018-12-02 03:19:10,318 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 03:19:10,318 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 03:19:10,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 03:19:10,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-02 03:19:10,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 03:19:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-02 03:19:10,323 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2018-12-02 03:19:10,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,323 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-02 03:19:10,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:19:10,324 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-02 03:19:10,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:19:10,324 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,324 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:10,325 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1324045831, now seen corresponding path program 1 times [2018-12-02 03:19:10,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,343 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 03:19:10,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:10,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:19:10,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:19:10,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:19:10,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:19:10,344 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2018-12-02 03:19:10,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,372 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-12-02 03:19:10,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:19:10,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-02 03:19:10,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,373 INFO L225 Difference]: With dead ends: 68 [2018-12-02 03:19:10,373 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 03:19:10,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:19:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 03:19:10,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 03:19:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 03:19:10,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-02 03:19:10,376 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2018-12-02 03:19:10,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,376 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-02 03:19:10,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:19:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-02 03:19:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 03:19:10,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,377 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 03:19:10,377 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1119250772, now seen corresponding path program 1 times [2018-12-02 03:19:10,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,456 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 03:19:10,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:10,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 03:19:10,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 03:19:10,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 03:19:10,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:19:10,457 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 11 states. [2018-12-02 03:19:10,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,603 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-12-02 03:19:10,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 03:19:10,604 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-12-02 03:19:10,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,604 INFO L225 Difference]: With dead ends: 57 [2018-12-02 03:19:10,604 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 03:19:10,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-02 03:19:10,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 03:19:10,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 03:19:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 03:19:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-12-02 03:19:10,606 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 32 [2018-12-02 03:19:10,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,607 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-12-02 03:19:10,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 03:19:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-12-02 03:19:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 03:19:10,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,607 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 03:19:10,607 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1119250773, now seen corresponding path program 1 times [2018-12-02 03:19:10,608 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,626 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 03:19:10,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:10,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:19:10,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 03:19:10,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 03:19:10,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 03:19:10,627 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 4 states. [2018-12-02 03:19:10,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,639 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-02 03:19:10,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 03:19:10,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-12-02 03:19:10,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,640 INFO L225 Difference]: With dead ends: 60 [2018-12-02 03:19:10,640 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 03:19:10,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:10,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 03:19:10,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 03:19:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 03:19:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-02 03:19:10,644 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 32 [2018-12-02 03:19:10,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,644 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-02 03:19:10,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 03:19:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-02 03:19:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 03:19:10,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,645 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] [2018-12-02 03:19:10,646 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1927244860, now seen corresponding path program 1 times [2018-12-02 03:19:10,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:10,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:10,685 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:10,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:10,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:10,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-12-02 03:19:10,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:19:10,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:19:10,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:19:10,768 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2018-12-02 03:19:10,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:10,785 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-02 03:19:10,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:19:10,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-12-02 03:19:10,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:10,786 INFO L225 Difference]: With dead ends: 61 [2018-12-02 03:19:10,786 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 03:19:10,786 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:19:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 03:19:10,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-02 03:19:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 03:19:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-12-02 03:19:10,789 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 33 [2018-12-02 03:19:10,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:10,789 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-12-02 03:19:10,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:19:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-12-02 03:19:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 03:19:10,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:10,790 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:10,791 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:10,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:10,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1879328971, now seen corresponding path program 2 times [2018-12-02 03:19:10,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:10,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:10,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:10,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:10,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:10,837 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:10,846 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 03:19:10,867 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 03:19:10,867 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:10,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:10,892 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:10,894 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:10,899 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:10,900 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-12-02 03:19:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 03:19:11,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:19:11,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 17 [2018-12-02 03:19:11,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 03:19:11,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 03:19:11,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2018-12-02 03:19:11,097 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 17 states. [2018-12-02 03:19:11,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:11,361 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-02 03:19:11,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 03:19:11,362 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 34 [2018-12-02 03:19:11,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:11,362 INFO L225 Difference]: With dead ends: 61 [2018-12-02 03:19:11,362 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 03:19:11,363 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2018-12-02 03:19:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 03:19:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-02 03:19:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 03:19:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-12-02 03:19:11,366 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 34 [2018-12-02 03:19:11,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:11,366 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-12-02 03:19:11,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 03:19:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-12-02 03:19:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 03:19:11,367 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:11,367 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:11,368 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:11,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:11,368 INFO L82 PathProgramCache]: Analyzing trace with hash -608846876, now seen corresponding path program 1 times [2018-12-02 03:19:11,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:11,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:11,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:11,369 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:11,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 03:19:11,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:11,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 03:19:11,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 03:19:11,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 03:19:11,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:19:11,432 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 11 states. [2018-12-02 03:19:11,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:11,581 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-12-02 03:19:11,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 03:19:11,581 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2018-12-02 03:19:11,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:11,582 INFO L225 Difference]: With dead ends: 57 [2018-12-02 03:19:11,582 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 03:19:11,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-02 03:19:11,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 03:19:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 03:19:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 03:19:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-12-02 03:19:11,584 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 40 [2018-12-02 03:19:11,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:11,584 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-12-02 03:19:11,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 03:19:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-12-02 03:19:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 03:19:11,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:11,585 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:11,585 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:11,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:11,585 INFO L82 PathProgramCache]: Analyzing trace with hash -608846875, now seen corresponding path program 1 times [2018-12-02 03:19:11,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:11,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:11,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:11,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:11,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:11,616 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:11,616 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:11,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:11,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:11,679 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:11,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-12-02 03:19:11,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 03:19:11,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 03:19:11,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-12-02 03:19:11,680 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 8 states. [2018-12-02 03:19:11,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:11,698 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-02 03:19:11,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:19:11,698 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-12-02 03:19:11,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:11,698 INFO L225 Difference]: With dead ends: 60 [2018-12-02 03:19:11,698 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 03:19:11,699 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:19:11,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 03:19:11,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 03:19:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 03:19:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-02 03:19:11,701 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 40 [2018-12-02 03:19:11,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:11,701 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-02 03:19:11,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 03:19:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-02 03:19:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 03:19:11,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:11,702 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:11,703 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:11,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1610479788, now seen corresponding path program 2 times [2018-12-02 03:19:11,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:11,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:11,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:11,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:11,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:11,748 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:11,748 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:11,755 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 03:19:11,776 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 03:19:11,777 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:11,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:11,793 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:11,794 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:11,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:11,799 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-12-02 03:19:11,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 03:19:11,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 03:19:11,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 19 [2018-12-02 03:19:11,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 03:19:11,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 03:19:11,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-02 03:19:11,960 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 19 states. [2018-12-02 03:19:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:12,237 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-12-02 03:19:12,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 03:19:12,237 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 41 [2018-12-02 03:19:12,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:12,238 INFO L225 Difference]: With dead ends: 59 [2018-12-02 03:19:12,238 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 03:19:12,238 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2018-12-02 03:19:12,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 03:19:12,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 03:19:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 03:19:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-12-02 03:19:12,240 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 41 [2018-12-02 03:19:12,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:12,240 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-12-02 03:19:12,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 03:19:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-12-02 03:19:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 03:19:12,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:12,241 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:12,241 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:12,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:12,241 INFO L82 PathProgramCache]: Analyzing trace with hash -205588896, now seen corresponding path program 1 times [2018-12-02 03:19:12,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:12,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:12,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,242 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:12,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 03:19:12,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:12,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 03:19:12,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 03:19:12,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 03:19:12,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:19:12,271 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 7 states. [2018-12-02 03:19:12,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:12,290 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-12-02 03:19:12,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:19:12,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2018-12-02 03:19:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:12,290 INFO L225 Difference]: With dead ends: 59 [2018-12-02 03:19:12,291 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 03:19:12,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 03:19:12,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 03:19:12,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 03:19:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 03:19:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-12-02 03:19:12,292 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 40 [2018-12-02 03:19:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:12,293 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-12-02 03:19:12,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 03:19:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-12-02 03:19:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 03:19:12,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:12,293 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:12,294 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:12,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:12,294 INFO L82 PathProgramCache]: Analyzing trace with hash -390442161, now seen corresponding path program 1 times [2018-12-02 03:19:12,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:12,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:12,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:12,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 03:19:12,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:12,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 03:19:12,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:19:12,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:19:12,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:19:12,338 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 9 states. [2018-12-02 03:19:12,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:12,373 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-12-02 03:19:12,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 03:19:12,373 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-12-02 03:19:12,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:12,373 INFO L225 Difference]: With dead ends: 61 [2018-12-02 03:19:12,373 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 03:19:12,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:19:12,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 03:19:12,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 03:19:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 03:19:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-12-02 03:19:12,376 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 45 [2018-12-02 03:19:12,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:12,376 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-12-02 03:19:12,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:19:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-12-02 03:19:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 03:19:12,377 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:12,377 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:12,377 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:12,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:12,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2088361936, now seen corresponding path program 1 times [2018-12-02 03:19:12,377 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:12,377 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:12,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:12,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:12,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:12,429 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:12,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:12,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:12,495 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:12,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2018-12-02 03:19:12,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 03:19:12,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 03:19:12,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:19:12,496 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 10 states. [2018-12-02 03:19:12,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:12,515 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-12-02 03:19:12,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 03:19:12,515 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-12-02 03:19:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:12,516 INFO L225 Difference]: With dead ends: 60 [2018-12-02 03:19:12,516 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 03:19:12,516 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:19:12,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 03:19:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 03:19:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 03:19:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-12-02 03:19:12,518 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-12-02 03:19:12,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:12,518 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-12-02 03:19:12,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 03:19:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-12-02 03:19:12,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 03:19:12,518 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:12,519 INFO L402 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:12,519 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:12,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:12,519 INFO L82 PathProgramCache]: Analyzing trace with hash -310137441, now seen corresponding path program 2 times [2018-12-02 03:19:12,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:12,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:12,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:12,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:12,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:12,590 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:12,599 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 03:19:12,640 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 03:19:12,640 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:12,642 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:12,671 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:12,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2018-12-02 03:19:12,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 03:19:12,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 03:19:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:19:12,672 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 11 states. [2018-12-02 03:19:12,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:12,695 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-12-02 03:19:12,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 03:19:12,695 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2018-12-02 03:19:12,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:12,696 INFO L225 Difference]: With dead ends: 61 [2018-12-02 03:19:12,696 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 03:19:12,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-12-02 03:19:12,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 03:19:12,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-02 03:19:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 03:19:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-12-02 03:19:12,698 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-12-02 03:19:12,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:12,698 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-12-02 03:19:12,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 03:19:12,698 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-12-02 03:19:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 03:19:12,699 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:12,699 INFO L402 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:12,699 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:12,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:12,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1019752944, now seen corresponding path program 3 times [2018-12-02 03:19:12,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:12,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:12,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,700 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:12,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:12,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:12,784 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:12,790 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 03:19:13,301 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-02 03:19:13,301 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:13,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:13,337 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:13,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2018-12-02 03:19:13,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 03:19:13,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 03:19:13,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-12-02 03:19:13,337 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 12 states. [2018-12-02 03:19:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:13,355 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-12-02 03:19:13,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 03:19:13,355 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2018-12-02 03:19:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:13,355 INFO L225 Difference]: With dead ends: 62 [2018-12-02 03:19:13,355 INFO L226 Difference]: Without dead ends: 60 [2018-12-02 03:19:13,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:19:13,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-02 03:19:13,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-02 03:19:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 03:19:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-12-02 03:19:13,357 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-12-02 03:19:13,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:13,357 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-12-02 03:19:13,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 03:19:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-12-02 03:19:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 03:19:13,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:13,358 INFO L402 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:13,358 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:13,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:13,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1542997057, now seen corresponding path program 4 times [2018-12-02 03:19:13,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:13,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:13,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:13,359 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:13,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:13,413 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:13,413 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:13,421 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-02 03:19:13,456 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-02 03:19:13,456 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:13,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:13,494 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:13,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2018-12-02 03:19:13,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 03:19:13,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 03:19:13,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:19:13,495 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 13 states. [2018-12-02 03:19:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:13,524 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-12-02 03:19:13,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 03:19:13,525 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2018-12-02 03:19:13,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:13,525 INFO L225 Difference]: With dead ends: 63 [2018-12-02 03:19:13,525 INFO L226 Difference]: Without dead ends: 61 [2018-12-02 03:19:13,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2018-12-02 03:19:13,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-02 03:19:13,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-02 03:19:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 03:19:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-12-02 03:19:13,527 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-12-02 03:19:13,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:13,527 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-12-02 03:19:13,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 03:19:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-12-02 03:19:13,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 03:19:13,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:13,528 INFO L402 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:13,528 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:13,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:13,528 INFO L82 PathProgramCache]: Analyzing trace with hash -583695376, now seen corresponding path program 5 times [2018-12-02 03:19:13,528 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:13,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:13,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:13,529 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:13,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:13,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:13,608 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:13,614 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-02 03:19:13,704 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-02 03:19:13,704 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:13,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:13,734 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:13,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2018-12-02 03:19:13,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 03:19:13,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 03:19:13,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-12-02 03:19:13,735 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 14 states. [2018-12-02 03:19:13,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:13,755 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-12-02 03:19:13,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 03:19:13,755 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2018-12-02 03:19:13,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:13,756 INFO L225 Difference]: With dead ends: 64 [2018-12-02 03:19:13,756 INFO L226 Difference]: Without dead ends: 62 [2018-12-02 03:19:13,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-12-02 03:19:13,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-02 03:19:13,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-12-02 03:19:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 03:19:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-12-02 03:19:13,759 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-12-02 03:19:13,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:13,759 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-12-02 03:19:13,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 03:19:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-12-02 03:19:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 03:19:13,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:13,760 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:13,760 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:13,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:13,760 INFO L82 PathProgramCache]: Analyzing trace with hash -910114337, now seen corresponding path program 6 times [2018-12-02 03:19:13,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:13,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:13,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:13,761 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:13,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:13,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:13,851 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:13,857 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-02 03:19:16,480 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2018-12-02 03:19:16,480 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:16,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:16,529 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:16,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2018-12-02 03:19:16,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 03:19:16,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 03:19:16,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-12-02 03:19:16,530 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 15 states. [2018-12-02 03:19:16,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:16,553 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-12-02 03:19:16,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 03:19:16,553 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2018-12-02 03:19:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:16,553 INFO L225 Difference]: With dead ends: 65 [2018-12-02 03:19:16,553 INFO L226 Difference]: Without dead ends: 63 [2018-12-02 03:19:16,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2018-12-02 03:19:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-02 03:19:16,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-02 03:19:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-02 03:19:16,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-12-02 03:19:16,555 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-12-02 03:19:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:16,555 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-12-02 03:19:16,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 03:19:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-12-02 03:19:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 03:19:16,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:16,556 INFO L402 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:16,556 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:16,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:16,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1855799760, now seen corresponding path program 7 times [2018-12-02 03:19:16,556 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:16,556 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:16,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:16,557 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:16,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:16,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:16,630 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:16,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:16,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:16,695 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:16,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2018-12-02 03:19:16,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 03:19:16,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 03:19:16,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2018-12-02 03:19:16,696 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 16 states. [2018-12-02 03:19:16,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:16,721 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-12-02 03:19:16,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 03:19:16,721 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2018-12-02 03:19:16,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:16,722 INFO L225 Difference]: With dead ends: 66 [2018-12-02 03:19:16,722 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 03:19:16,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=111, Invalid=161, Unknown=0, NotChecked=0, Total=272 [2018-12-02 03:19:16,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 03:19:16,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-12-02 03:19:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-02 03:19:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-12-02 03:19:16,723 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-12-02 03:19:16,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:16,724 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-12-02 03:19:16,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 03:19:16,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-12-02 03:19:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 03:19:16,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:16,724 INFO L402 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:16,724 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:16,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:16,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1699790847, now seen corresponding path program 8 times [2018-12-02 03:19:16,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:16,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:16,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:16,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:16,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:16,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:16,813 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:16,821 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 03:19:16,850 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-02 03:19:16,850 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:16,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:16,863 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:16,878 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:16,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2018-12-02 03:19:16,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-02 03:19:16,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-02 03:19:16,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-12-02 03:19:16,879 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 17 states. [2018-12-02 03:19:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:16,907 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-12-02 03:19:16,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 03:19:16,908 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2018-12-02 03:19:16,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:16,908 INFO L225 Difference]: With dead ends: 67 [2018-12-02 03:19:16,908 INFO L226 Difference]: Without dead ends: 65 [2018-12-02 03:19:16,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=126, Invalid=180, Unknown=0, NotChecked=0, Total=306 [2018-12-02 03:19:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-02 03:19:16,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-02 03:19:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 03:19:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-12-02 03:19:16,910 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-12-02 03:19:16,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:16,910 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-12-02 03:19:16,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-02 03:19:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-12-02 03:19:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 03:19:16,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:16,911 INFO L402 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:16,911 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:16,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:16,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1158481840, now seen corresponding path program 9 times [2018-12-02 03:19:16,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:16,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:16,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:16,912 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:16,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:17,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:17,027 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:17,033 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 03:19:27,007 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2018-12-02 03:19:27,007 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:27,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:27,193 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:27,210 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:27,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 36 [2018-12-02 03:19:27,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-12-02 03:19:27,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-12-02 03:19:27,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=889, Unknown=0, NotChecked=0, Total=1260 [2018-12-02 03:19:27,211 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 36 states. [2018-12-02 03:19:27,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:27,302 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-12-02 03:19:27,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 03:19:27,302 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 64 [2018-12-02 03:19:27,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:27,303 INFO L225 Difference]: With dead ends: 68 [2018-12-02 03:19:27,303 INFO L226 Difference]: Without dead ends: 66 [2018-12-02 03:19:27,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=409, Invalid=997, Unknown=0, NotChecked=0, Total=1406 [2018-12-02 03:19:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-02 03:19:27,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-02 03:19:27,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-02 03:19:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-12-02 03:19:27,305 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-12-02 03:19:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:27,305 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-12-02 03:19:27,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-12-02 03:19:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-12-02 03:19:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 03:19:27,306 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:27,306 INFO L402 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:27,306 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:27,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:27,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1557771807, now seen corresponding path program 10 times [2018-12-02 03:19:27,306 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:27,306 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:27,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:27,307 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:27,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:27,437 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:27,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:27,437 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:27,445 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-02 03:19:27,473 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-02 03:19:27,473 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:27,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:27,485 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:27,501 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:27,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2018-12-02 03:19:27,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 03:19:27,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 03:19:27,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-12-02 03:19:27,502 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 19 states. [2018-12-02 03:19:27,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:27,537 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-12-02 03:19:27,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 03:19:27,537 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 65 [2018-12-02 03:19:27,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:27,537 INFO L225 Difference]: With dead ends: 69 [2018-12-02 03:19:27,538 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 03:19:27,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=159, Invalid=221, Unknown=0, NotChecked=0, Total=380 [2018-12-02 03:19:27,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 03:19:27,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-02 03:19:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-02 03:19:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-12-02 03:19:27,540 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-12-02 03:19:27,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:27,540 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-12-02 03:19:27,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 03:19:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-12-02 03:19:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 03:19:27,541 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:27,541 INFO L402 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:27,541 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:27,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:27,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1050858896, now seen corresponding path program 11 times [2018-12-02 03:19:27,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:27,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:27,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:27,543 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:27,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:27,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 03:19:27,675 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 03:19:27,681 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-02 03:19:28,127 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2018-12-02 03:19:28,127 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:28,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:28,165 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:28,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2018-12-02 03:19:28,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 03:19:28,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 03:19:28,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-12-02 03:19:28,166 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 20 states. [2018-12-02 03:19:28,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:28,199 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-12-02 03:19:28,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 03:19:28,199 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2018-12-02 03:19:28,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:28,200 INFO L225 Difference]: With dead ends: 70 [2018-12-02 03:19:28,200 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 03:19:28,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=243, Unknown=0, NotChecked=0, Total=420 [2018-12-02 03:19:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 03:19:28,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-02 03:19:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-02 03:19:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-12-02 03:19:28,202 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-12-02 03:19:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:28,202 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-12-02 03:19:28,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 03:19:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-12-02 03:19:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 03:19:28,203 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:28,203 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:28,203 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-02 03:19:28,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:28,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1778539457, now seen corresponding path program 12 times [2018-12-02 03:19:28,203 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 03:19:28,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 03:19:28,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:28,204 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:28,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:19:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:19:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:19:28,260 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 03:19:28,271 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2018-12-02 03:19:28,274 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 03:19:28,278 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 03:19:28,278 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 03:19:28,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:19:28 BoogieIcfgContainer [2018-12-02 03:19:28,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:19:28,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:19:28,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:19:28,287 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:19:28,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:09" (3/4) ... [2018-12-02 03:19:28,291 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 03:19:28,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:19:28,292 INFO L168 Benchmark]: Toolchain (without parser) took 19437.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -114.4 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:28,293 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:19:28,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -84.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:28,293 INFO L168 Benchmark]: Boogie Preprocessor took 45.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:28,294 INFO L168 Benchmark]: RCFGBuilder took 499.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.0 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:28,294 INFO L168 Benchmark]: TraceAbstraction took 18555.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:28,295 INFO L168 Benchmark]: Witness Printer took 4.02 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:19:28,296 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -84.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 499.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 940.0 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18555.54 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 157.3 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.02 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={25:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={25:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={25:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={25:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={25:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={25:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={22:0}, ldv_global_msg_list={25:0}, malloc(size)={22:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={25:0}, ldv_malloc(sizeof(*kobj))={22:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={22:0}, ldv_global_msg_list={25:0}, memset(kobj, 0, sizeof(*kobj))={22:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={22:12}, ldv_global_msg_list={25:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={22:12}, kref={22:12}, ldv_global_msg_list={25:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={25:0}, list={22:4}] [L1099] list->next = list VAL [ldv_global_msg_list={25:0}, list={22:4}, list={22:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={25:0}, list={22:4}, list={22:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1414] return kobj; VAL [\result={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={25:0}, ldv_kobject_create()={22:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={25:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 308 locations, 67 error locations. UNSAFE Result, 18.5s OverallTime, 26 OverallIterations, 16 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1254 SDtfs, 227 SDslu, 8226 SDs, 0 SdLazy, 2121 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1095 GetRequests, 799 SyntacticMatches, 4 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred 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, 25 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 13.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1989 NumberOfCodeBlocks, 1983 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 1882 ConstructedInterpolants, 20 QuantifiedInterpolants, 162782 SizeOfPredicates, 32 NumberOfNonLiveVariables, 4158 ConjunctsInSsa, 253 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 49/1396 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:19:29,587 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:19:29,588 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:19:29,595 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:19:29,595 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:19:29,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:19:29,596 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:19:29,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:19:29,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:19:29,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:19:29,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:19:29,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:19:29,599 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:19:29,600 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:19:29,600 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:19:29,601 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:19:29,601 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:19:29,602 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:19:29,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:19:29,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:19:29,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:19:29,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:19:29,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:19:29,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:19:29,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:19:29,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:19:29,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:19:29,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:19:29,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:19:29,608 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:19:29,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:19:29,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:19:29,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:19:29,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:19:29,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:19:29,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:19:29,610 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-02 03:19:29,617 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:19:29,617 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:19:29,618 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:19:29,618 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:19:29,618 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:19:29,618 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:19:29,619 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 03:19:29,619 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:19:29,619 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:19:29,619 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 03:19:29,619 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:19:29,619 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:19:29,619 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:19:29,620 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:19:29,621 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:19:29,621 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:19:29,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:19:29,621 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:19:29,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:19:29,621 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:19:29,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:19:29,621 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 03:19:29,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:19:29,622 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 03:19:29,622 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/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 -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2018-12-02 03:19:29,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:19:29,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:19:29,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:19:29,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:19:29,654 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:19:29,654 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-02 03:19:29,699 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/00ab23a61/a86df5e5e951486d846230019c1932eb/FLAG1d0f374fc [2018-12-02 03:19:30,072 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:19:30,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-02 03:19:30,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/00ab23a61/a86df5e5e951486d846230019c1932eb/FLAG1d0f374fc [2018-12-02 03:19:30,440 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/data/00ab23a61/a86df5e5e951486d846230019c1932eb [2018-12-02 03:19:30,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:19:30,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 03:19:30,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:19:30,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:19:30,446 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:19:30,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e5a7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30, skipping insertion in model container [2018-12-02 03:19:30,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:19:30,480 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:19:30,676 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:19:30,689 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:19:30,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:19:30,800 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:19:30,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30 WrapperNode [2018-12-02 03:19:30,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:19:30,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:19:30,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:19:30,801 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:19:30,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... [2018-12-02 03:19:30,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:19:30,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:19:30,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:19:30,845 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:19:30,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/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 03:19:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:19:30,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 03:19:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 03:19:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 03:19:30,879 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 03:19:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:19:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 03:19:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 03:19:30,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 03:19:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 03:19:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 03:19:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 03:19:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 03:19:30,884 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 03:19:30,885 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 03:19:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 03:19:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 03:19:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 03:19:30,889 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 03:19:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:19:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 03:19:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 03:19:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-02 03:19:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 03:19:30,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 03:19:31,151 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 03:19:31,388 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 03:19:31,594 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:19:31,595 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 03:19:31,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:31 BoogieIcfgContainer [2018-12-02 03:19:31,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:19:31,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:19:31,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:19:31,598 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:19:31,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:19:30" (1/3) ... [2018-12-02 03:19:31,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd2fad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:31, skipping insertion in model container [2018-12-02 03:19:31,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:30" (2/3) ... [2018-12-02 03:19:31,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd2fad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:31, skipping insertion in model container [2018-12-02 03:19:31,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:31" (3/3) ... [2018-12-02 03:19:31,600 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-02 03:19:31,608 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:19:31,614 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-02 03:19:31,624 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-02 03:19:31,641 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:19:31,642 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:19:31,642 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 03:19:31,642 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:19:31,642 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:19:31,642 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:19:31,642 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:19:31,642 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:19:31,642 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:19:31,654 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-12-02 03:19:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:19:31,661 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:31,661 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:31,663 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:31,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:31,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1338616665, now seen corresponding path program 1 times [2018-12-02 03:19:31,669 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:31,670 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:31,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:31,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:31,778 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:31,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:31,783 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:31,784 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 03:19:31,802 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 03:19:31,802 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:31,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:31,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:19:31,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:19:31,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:19:31,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:31,817 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2018-12-02 03:19:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:31,949 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-12-02 03:19:31,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:19:31,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-02 03:19:31,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:31,958 INFO L225 Difference]: With dead ends: 74 [2018-12-02 03:19:31,958 INFO L226 Difference]: Without dead ends: 71 [2018-12-02 03:19:31,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 03:19:31,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-02 03:19:31,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-12-02 03:19:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 03:19:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-12-02 03:19:31,985 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2018-12-02 03:19:31,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:31,985 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-12-02 03:19:31,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:19:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-12-02 03:19:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:19:31,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:31,986 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:31,986 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:31,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:31,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1338616666, now seen corresponding path program 1 times [2018-12-02 03:19:31,987 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:31,987 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:32,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:32,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:32,046 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:32,046 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:32,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:32,053 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 03:19:32,083 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 03:19:32,083 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:32,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:32,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:19:32,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 03:19:32,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 03:19:32,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 03:19:32,086 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 6 states. [2018-12-02 03:19:32,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:32,231 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-12-02 03:19:32,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 03:19:32,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-12-02 03:19:32,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:32,233 INFO L225 Difference]: With dead ends: 70 [2018-12-02 03:19:32,233 INFO L226 Difference]: Without dead ends: 70 [2018-12-02 03:19:32,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 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 03:19:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-02 03:19:32,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2018-12-02 03:19:32,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 03:19:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-12-02 03:19:32,241 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2018-12-02 03:19:32,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:32,241 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-12-02 03:19:32,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 03:19:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-12-02 03:19:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:19:32,242 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:32,242 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:32,242 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:32,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:32,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1367245816, now seen corresponding path program 1 times [2018-12-02 03:19:32,243 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:32,243 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:32,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:32,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:32,322 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 03:19:32,322 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:32,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:32,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:19:32,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:19:32,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:19:32,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:32,324 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2018-12-02 03:19:32,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:32,339 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-02 03:19:32,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:19:32,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-02 03:19:32,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:32,340 INFO L225 Difference]: With dead ends: 64 [2018-12-02 03:19:32,340 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 03:19:32,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 03:19:32,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 03:19:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-02 03:19:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 03:19:32,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-12-02 03:19:32,346 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2018-12-02 03:19:32,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:32,346 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-12-02 03:19:32,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:19:32,346 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-12-02 03:19:32,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:19:32,347 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:32,347 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:32,347 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:32,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:32,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1948697336, now seen corresponding path program 1 times [2018-12-02 03:19:32,348 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:32,348 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:32,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:32,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:32,398 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 03:19:32,399 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:32,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:32,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 03:19:32,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 03:19:32,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 03:19:32,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:32,401 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2018-12-02 03:19:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:32,417 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-12-02 03:19:32,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 03:19:32,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-02 03:19:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:32,418 INFO L225 Difference]: With dead ends: 64 [2018-12-02 03:19:32,418 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 03:19:32,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:32,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 03:19:32,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-02 03:19:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 03:19:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-02 03:19:32,421 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2018-12-02 03:19:32,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:32,421 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-02 03:19:32,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 03:19:32,421 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-02 03:19:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:19:32,422 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:32,422 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 03:19:32,422 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:32,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:32,422 INFO L82 PathProgramCache]: Analyzing trace with hash 151745977, now seen corresponding path program 1 times [2018-12-02 03:19:32,423 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:32,423 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:32,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:32,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:32,465 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 03:19:32,465 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:32,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:32,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:19:32,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 03:19:32,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 03:19:32,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:19:32,467 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2018-12-02 03:19:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:32,523 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-12-02 03:19:32,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 03:19:32,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-02 03:19:32,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:32,524 INFO L225 Difference]: With dead ends: 68 [2018-12-02 03:19:32,524 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 03:19:32,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 03:19:32,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 03:19:32,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 03:19:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 03:19:32,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-02 03:19:32,527 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2018-12-02 03:19:32,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:32,527 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-02 03:19:32,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 03:19:32,528 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-02 03:19:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 03:19:32,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:32,528 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 03:19:32,528 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:32,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:32,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1221069421, now seen corresponding path program 1 times [2018-12-02 03:19:32,529 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:32,529 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:32,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:32,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:32,606 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 03:19:32,606 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:32,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:32,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 03:19:32,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 03:19:32,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 03:19:32,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 03:19:32,609 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 4 states. [2018-12-02 03:19:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:32,637 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-02 03:19:32,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 03:19:32,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-12-02 03:19:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:32,638 INFO L225 Difference]: With dead ends: 61 [2018-12-02 03:19:32,638 INFO L226 Difference]: Without dead ends: 59 [2018-12-02 03:19:32,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 03:19:32,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-02 03:19:32,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-02 03:19:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 03:19:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-12-02 03:19:32,641 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 32 [2018-12-02 03:19:32,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:32,641 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-12-02 03:19:32,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 03:19:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-12-02 03:19:32,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 03:19:32,642 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:32,642 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] [2018-12-02 03:19:32,642 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:32,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:32,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1332713730, now seen corresponding path program 1 times [2018-12-02 03:19:32,643 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:32,643 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:32,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:32,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:32,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:32,723 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:19:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:32,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:32,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-12-02 03:19:32,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 03:19:32,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 03:19:32,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-02 03:19:32,773 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 8 states. [2018-12-02 03:19:32,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:32,893 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2018-12-02 03:19:32,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 03:19:32,894 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-12-02 03:19:32,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:32,895 INFO L225 Difference]: With dead ends: 66 [2018-12-02 03:19:32,895 INFO L226 Difference]: Without dead ends: 62 [2018-12-02 03:19:32,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-12-02 03:19:32,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-02 03:19:32,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-12-02 03:19:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 03:19:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-12-02 03:19:32,897 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 33 [2018-12-02 03:19:32,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:32,898 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-12-02 03:19:32,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 03:19:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-12-02 03:19:32,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 03:19:32,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:32,898 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:32,899 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:32,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:32,899 INFO L82 PathProgramCache]: Analyzing trace with hash -641935021, now seen corresponding path program 2 times [2018-12-02 03:19:32,899 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:32,899 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:32,920 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 03:19:32,981 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 03:19:32,981 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:32,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:32,987 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:32,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:32,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:32,989 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 03:19:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 03:19:33,093 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:33,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:33,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 03:19:33,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 03:19:33,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 03:19:33,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:19:33,097 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 13 states. [2018-12-02 03:19:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:33,587 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-02 03:19:33,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 03:19:33,588 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-12-02 03:19:33,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:33,589 INFO L225 Difference]: With dead ends: 61 [2018-12-02 03:19:33,589 INFO L226 Difference]: Without dead ends: 61 [2018-12-02 03:19:33,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-02 03:19:33,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-02 03:19:33,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-02 03:19:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 03:19:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2018-12-02 03:19:33,591 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 36 [2018-12-02 03:19:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:33,591 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2018-12-02 03:19:33,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 03:19:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-12-02 03:19:33,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 03:19:33,592 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:33,592 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:33,592 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:33,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:33,592 INFO L82 PathProgramCache]: Analyzing trace with hash -641935020, now seen corresponding path program 1 times [2018-12-02 03:19:33,592 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:33,592 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:33,607 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:33,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:33,710 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:19:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:33,845 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:33,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-12-02 03:19:33,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 03:19:33,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 03:19:33,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-12-02 03:19:33,846 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 14 states. [2018-12-02 03:19:34,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:34,444 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-12-02 03:19:34,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 03:19:34,445 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 36 [2018-12-02 03:19:34,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:34,446 INFO L225 Difference]: With dead ends: 71 [2018-12-02 03:19:34,446 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 03:19:34,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2018-12-02 03:19:34,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 03:19:34,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-02 03:19:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-02 03:19:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2018-12-02 03:19:34,454 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 36 [2018-12-02 03:19:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:34,454 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2018-12-02 03:19:34,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 03:19:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-12-02 03:19:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 03:19:34,456 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:34,456 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:34,457 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:34,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:34,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1438804724, now seen corresponding path program 2 times [2018-12-02 03:19:34,458 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:34,458 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:34,491 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 03:19:34,593 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 03:19:34,593 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:34,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:34,603 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:34,603 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:34,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:34,607 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 03:19:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 03:19:34,748 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:34,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:34,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 03:19:34,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 03:19:34,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 03:19:34,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:19:34,751 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 13 states. [2018-12-02 03:19:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:35,290 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-12-02 03:19:35,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 03:19:35,291 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-12-02 03:19:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:35,291 INFO L225 Difference]: With dead ends: 66 [2018-12-02 03:19:35,291 INFO L226 Difference]: Without dead ends: 66 [2018-12-02 03:19:35,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-12-02 03:19:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-02 03:19:35,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-02 03:19:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-02 03:19:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2018-12-02 03:19:35,294 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 42 [2018-12-02 03:19:35,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:35,294 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2018-12-02 03:19:35,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 03:19:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2018-12-02 03:19:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 03:19:35,295 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:35,295 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:35,296 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:35,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:35,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1958675636, now seen corresponding path program 1 times [2018-12-02 03:19:35,296 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:35,297 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:35,311 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:35,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:35,503 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 03:19:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:19:35,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 03:19:35,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-12-02 03:19:35,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-12-02 03:19:35,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-12-02 03:19:35,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2018-12-02 03:19:35,955 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 26 states. [2018-12-02 03:19:37,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:37,021 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2018-12-02 03:19:37,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 03:19:37,022 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 47 [2018-12-02 03:19:37,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:37,023 INFO L225 Difference]: With dead ends: 76 [2018-12-02 03:19:37,023 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 03:19:37,024 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=278, Invalid=652, Unknown=0, NotChecked=0, Total=930 [2018-12-02 03:19:37,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 03:19:37,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-02 03:19:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-02 03:19:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-12-02 03:19:37,027 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 47 [2018-12-02 03:19:37,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:37,027 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-12-02 03:19:37,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-12-02 03:19:37,028 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-12-02 03:19:37,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 03:19:37,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:37,029 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:37,029 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:37,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:37,029 INFO L82 PathProgramCache]: Analyzing trace with hash 558640916, now seen corresponding path program 2 times [2018-12-02 03:19:37,030 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:37,030 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:37,052 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-02 03:19:37,115 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 03:19:37,115 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 03:19:37,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:37,121 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:37,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:37,123 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:37,123 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 03:19:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-02 03:19:37,239 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:37,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:37,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 03:19:37,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 03:19:37,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 03:19:37,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:19:37,242 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 13 states. [2018-12-02 03:19:37,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:37,740 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2018-12-02 03:19:37,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 03:19:37,741 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-12-02 03:19:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:37,741 INFO L225 Difference]: With dead ends: 70 [2018-12-02 03:19:37,741 INFO L226 Difference]: Without dead ends: 70 [2018-12-02 03:19:37,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-02 03:19:37,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-02 03:19:37,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-12-02 03:19:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-02 03:19:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2018-12-02 03:19:37,743 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 53 [2018-12-02 03:19:37,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:37,743 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2018-12-02 03:19:37,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 03:19:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-12-02 03:19:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 03:19:37,744 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:37,744 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:37,744 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:37,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:37,745 INFO L82 PathProgramCache]: Analyzing trace with hash 558640917, now seen corresponding path program 1 times [2018-12-02 03:19:37,745 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:37,745 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:37,760 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 03:19:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:37,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:37,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 03:19:37,930 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 03:19:37,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 03:19:37,934 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 03:19:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-02 03:19:38,096 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:38,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:38,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 03:19:38,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 03:19:38,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 03:19:38,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:19:38,099 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 13 states. [2018-12-02 03:19:38,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:38,485 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-12-02 03:19:38,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 03:19:38,485 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-12-02 03:19:38,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:38,486 INFO L225 Difference]: With dead ends: 68 [2018-12-02 03:19:38,486 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 03:19:38,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-12-02 03:19:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 03:19:38,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-02 03:19:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-02 03:19:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2018-12-02 03:19:38,488 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 53 [2018-12-02 03:19:38,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:38,488 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2018-12-02 03:19:38,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 03:19:38,488 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-12-02 03:19:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 03:19:38,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:38,489 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:38,489 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:38,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:38,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1168406799, now seen corresponding path program 1 times [2018-12-02 03:19:38,490 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:38,490 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:38,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:38,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-02 03:19:38,577 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:38,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:38,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 03:19:38,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 03:19:38,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 03:19:38,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:19:38,579 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 7 states. [2018-12-02 03:19:38,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:38,618 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2018-12-02 03:19:38,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 03:19:38,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 03:19:38,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:38,618 INFO L225 Difference]: With dead ends: 70 [2018-12-02 03:19:38,618 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 03:19:38,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 03:19:38,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 03:19:38,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-02 03:19:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-02 03:19:38,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2018-12-02 03:19:38,620 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 51 [2018-12-02 03:19:38,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:38,620 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2018-12-02 03:19:38,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 03:19:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2018-12-02 03:19:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 03:19:38,621 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:38,621 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:38,621 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:38,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:38,621 INFO L82 PathProgramCache]: Analyzing trace with hash -794619646, now seen corresponding path program 1 times [2018-12-02 03:19:38,622 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:38,622 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:38,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:19:38,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:19:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-02 03:19:38,713 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:19:38,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:19:38,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 03:19:38,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:19:38,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:19:38,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:19:38,715 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 9 states. [2018-12-02 03:19:38,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:19:38,770 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-12-02 03:19:38,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 03:19:38,770 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2018-12-02 03:19:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:19:38,771 INFO L225 Difference]: With dead ends: 72 [2018-12-02 03:19:38,771 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 03:19:38,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:19:38,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 03:19:38,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-02 03:19:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-02 03:19:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-12-02 03:19:38,772 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 56 [2018-12-02 03:19:38,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:19:38,772 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-12-02 03:19:38,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:19:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-12-02 03:19:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 03:19:38,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:19:38,773 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:38,774 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 03:19:38,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:19:38,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1743893123, now seen corresponding path program 1 times [2018-12-02 03:19:38,774 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 03:19:38,774 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_09757eeb-411d-403a-b8da-33cd4703e71a/bin-2019/uautomizer/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 03:19:38,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:19:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:19:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:19:44,926 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 03:19:44,935 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2018-12-02 03:19:44,937 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 03:19:44,940 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 03:19:44,941 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 03:19:44,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:19:44 BoogieIcfgContainer [2018-12-02 03:19:44,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:19:44,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:19:44,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:19:44,947 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:19:44,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:31" (3/4) ... [2018-12-02 03:19:44,950 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 03:19:44,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:19:44,950 INFO L168 Benchmark]: Toolchain (without parser) took 14508.24 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.7 MB). Free memory was 936.6 MB in the beginning and 1.0 GB in the end (delta: -106.4 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:44,951 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:19:44,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:44,952 INFO L168 Benchmark]: Boogie Preprocessor took 43.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:19:44,952 INFO L168 Benchmark]: RCFGBuilder took 750.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.9 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:44,952 INFO L168 Benchmark]: TraceAbstraction took 13351.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 981.9 MB in the beginning and 1.0 GB in the end (delta: -61.1 MB). Peak memory consumption was 129.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:19:44,953 INFO L168 Benchmark]: Witness Printer took 2.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:19:44,955 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 750.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.9 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13351.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Free memory was 981.9 MB in the beginning and 1.0 GB in the end (delta: -61.1 MB). Peak memory consumption was 129.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.82 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-485990135:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={-485990135:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-485990135:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-485990135:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-485990135:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={-485990135:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={-485990135:0}, malloc(size)={1:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={-485990135:0}, ldv_malloc(sizeof(*kobj))={1:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}, memset(kobj, 0, sizeof(*kobj))={1:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-485990135:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-485990135:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={-485990135:0}, list={1:4}] [L1099] list->next = list VAL [ldv_global_msg_list={-485990135:0}, list={1:4}, list={1:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={-485990135:0}, list={1:4}, list={1:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1414] return kobj; VAL [\result={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-485990135:0}, ldv_kobject_create()={1:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={-485990135:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 307 locations, 67 error locations. UNSAFE Result, 13.3s OverallTime, 16 OverallIterations, 16 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 755 SDtfs, 329 SDslu, 3194 SDs, 0 SdLazy, 1892 SolverSat, 157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 510 SyntacticMatches, 11 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 601 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 632 ConstructedInterpolants, 46 QuantifiedInterpolants, 78496 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2167 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 609/741 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...