./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_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_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/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 db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/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 db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:07:59,968 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:07:59,970 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:07:59,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:07:59,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:07:59,976 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:07:59,977 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:07:59,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:07:59,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:07:59,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:07:59,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:07:59,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:07:59,982 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:07:59,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:07:59,983 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:07:59,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:07:59,984 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:07:59,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:07:59,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:07:59,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:07:59,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:07:59,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:07:59,991 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:07:59,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:07:59,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:07:59,992 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:07:59,993 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:07:59,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:07:59,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:07:59,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:07:59,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:07:59,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:07:59,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:07:59,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:07:59,997 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:07:59,997 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:07:59,998 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-08 12:08:00,007 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:08:00,007 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:08:00,007 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:08:00,008 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:08:00,008 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:08:00,008 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:08:00,008 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:08:00,009 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:08:00,009 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:08:00,009 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:08:00,009 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:08:00,009 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:08:00,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:08:00,009 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 12:08:00,010 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 12:08:00,010 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 12:08:00,010 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:08:00,010 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:08:00,010 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:08:00,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:08:00,011 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:08:00,011 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:08:00,011 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:08:00,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:08:00,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:08:00,011 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:08:00,012 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:08:00,012 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:08:00,012 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_f8af3188-eae8-4125-9a4f-6b65a34ffe67/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 -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2018-12-08 12:08:00,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:08:00,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:08:00,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:08:00,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:08:00,048 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:08:00,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-08 12:08:00,091 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/6ed88b473/1a808f77051147baa20f2c0c6185d765/FLAG1d207c7ee [2018-12-08 12:08:00,433 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:08:00,433 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-08 12:08:00,440 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/6ed88b473/1a808f77051147baa20f2c0c6185d765/FLAG1d207c7ee [2018-12-08 12:08:00,449 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/6ed88b473/1a808f77051147baa20f2c0c6185d765 [2018-12-08 12:08:00,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:08:00,452 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 12:08:00,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:08:00,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:08:00,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:08:00,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33416e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00, skipping insertion in model container [2018-12-08 12:08:00,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:08:00,483 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:08:00,706 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:08:00,716 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:08:00,749 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:08:00,782 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:08:00,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00 WrapperNode [2018-12-08 12:08:00,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:08:00,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:08:00,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:08:00,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:08:00,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... [2018-12-08 12:08:00,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:08:00,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:08:00,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:08:00,827 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:08:00,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 12:08:00,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 12:08:00,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-08 12:08:00,860 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-12-08 12:08:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-12-08 12:08:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 12:08:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:08:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 12:08:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 12:08:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 12:08:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 12:08:00,862 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 12:08:00,863 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 12:08:00,864 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 12:08:00,865 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 12:08:00,866 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 12:08:00,867 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:08:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 12:08:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-08 12:08:00,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-08 12:08:01,088 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:08:01,204 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:08:01,333 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:08:01,333 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 12:08:01,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:08:01 BoogieIcfgContainer [2018-12-08 12:08:01,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:08:01,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:08:01,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:08:01,336 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:08:01,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:08:00" (1/3) ... [2018-12-08 12:08:01,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d83887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:08:01, skipping insertion in model container [2018-12-08 12:08:01,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:00" (2/3) ... [2018-12-08 12:08:01,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d83887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:08:01, skipping insertion in model container [2018-12-08 12:08:01,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:08:01" (3/3) ... [2018-12-08 12:08:01,338 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-08 12:08:01,344 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:08:01,349 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-12-08 12:08:01,358 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-12-08 12:08:01,374 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:08:01,374 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:08:01,375 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 12:08:01,375 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:08:01,375 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:08:01,375 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:08:01,375 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:08:01,375 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:08:01,375 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:08:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-08 12:08:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:08:01,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:01,393 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:01,395 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:01,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:01,399 INFO L82 PathProgramCache]: Analyzing trace with hash -798772138, now seen corresponding path program 1 times [2018-12-08 12:08:01,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:01,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:01,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:01,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:01,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:01,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:08:01,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:01,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:01,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:01,546 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 5 states. [2018-12-08 12:08:01,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:01,592 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-12-08 12:08:01,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:01,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-08 12:08:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:01,601 INFO L225 Difference]: With dead ends: 72 [2018-12-08 12:08:01,601 INFO L226 Difference]: Without dead ends: 69 [2018-12-08 12:08:01,602 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 [2018-12-08 12:08:01,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-08 12:08:01,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2018-12-08 12:08:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-08 12:08:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-12-08 12:08:01,633 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 20 [2018-12-08 12:08:01,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:01,634 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-12-08 12:08:01,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-12-08 12:08:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:08:01,634 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:01,634 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] [2018-12-08 12:08:01,635 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:01,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:01,635 INFO L82 PathProgramCache]: Analyzing trace with hash -995285643, now seen corresponding path program 1 times [2018-12-08 12:08:01,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:01,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:01,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:01,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:01,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:01,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:08:01,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 12:08:01,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:08:01,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:08:01,713 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-12-08 12:08:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:01,798 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2018-12-08 12:08:01,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:01,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-08 12:08:01,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:01,799 INFO L225 Difference]: With dead ends: 88 [2018-12-08 12:08:01,799 INFO L226 Difference]: Without dead ends: 88 [2018-12-08 12:08:01,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:01,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-12-08 12:08:01,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 79. [2018-12-08 12:08:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-08 12:08:01,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2018-12-08 12:08:01,805 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 20 [2018-12-08 12:08:01,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:01,805 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2018-12-08 12:08:01,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 12:08:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2018-12-08 12:08:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:08:01,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:01,806 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] [2018-12-08 12:08:01,806 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:01,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:01,807 INFO L82 PathProgramCache]: Analyzing trace with hash -995285644, now seen corresponding path program 1 times [2018-12-08 12:08:01,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:01,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:01,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:01,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:01,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:01,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:08:01,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 12:08:01,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:08:01,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:08:01,837 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 4 states. [2018-12-08 12:08:01,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:01,892 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2018-12-08 12:08:01,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:01,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-08 12:08:01,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:01,893 INFO L225 Difference]: With dead ends: 105 [2018-12-08 12:08:01,893 INFO L226 Difference]: Without dead ends: 92 [2018-12-08 12:08:01,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:01,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-12-08 12:08:01,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 87. [2018-12-08 12:08:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-08 12:08:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-12-08 12:08:01,899 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 20 [2018-12-08 12:08:01,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:01,899 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-12-08 12:08:01,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 12:08:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-12-08 12:08:01,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 12:08:01,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:01,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:01,900 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:01,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:01,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1018822169, now seen corresponding path program 1 times [2018-12-08 12:08:01,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:01,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:01,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:01,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:01,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:01,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:08:01,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:01,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:01,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:01,928 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 5 states. [2018-12-08 12:08:01,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:01,936 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2018-12-08 12:08:01,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:01,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-08 12:08:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:01,937 INFO L225 Difference]: With dead ends: 86 [2018-12-08 12:08:01,937 INFO L226 Difference]: Without dead ends: 86 [2018-12-08 12:08:01,937 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 [2018-12-08 12:08:01,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-08 12:08:01,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-08 12:08:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-08 12:08:01,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-12-08 12:08:01,942 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 22 [2018-12-08 12:08:01,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:01,942 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-12-08 12:08:01,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-12-08 12:08:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:08:01,943 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:01,943 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:01,943 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:01,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:01,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1518716587, now seen corresponding path program 1 times [2018-12-08 12:08:01,944 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:01,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:01,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:01,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:01,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:01,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:08:01,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:01,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:01,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:01,979 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 5 states. [2018-12-08 12:08:02,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:02,011 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2018-12-08 12:08:02,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:02,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-08 12:08:02,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:02,012 INFO L225 Difference]: With dead ends: 88 [2018-12-08 12:08:02,012 INFO L226 Difference]: Without dead ends: 88 [2018-12-08 12:08:02,012 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 [2018-12-08 12:08:02,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-12-08 12:08:02,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2018-12-08 12:08:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-08 12:08:02,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2018-12-08 12:08:02,016 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 23 [2018-12-08 12:08:02,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:02,017 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2018-12-08 12:08:02,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2018-12-08 12:08:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:08:02,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:02,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:02,018 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:02,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:02,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1225313580, now seen corresponding path program 1 times [2018-12-08 12:08:02,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:02,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:02,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:02,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:02,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:02,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:08:02,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:02,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:02,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:02,045 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand 5 states. [2018-12-08 12:08:02,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:02,054 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2018-12-08 12:08:02,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:02,055 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-08 12:08:02,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:02,056 INFO L225 Difference]: With dead ends: 61 [2018-12-08 12:08:02,056 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 12:08:02,056 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 [2018-12-08 12:08:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 12:08:02,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 12:08:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 12:08:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-12-08 12:08:02,059 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 23 [2018-12-08 12:08:02,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:02,059 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-12-08 12:08:02,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-12-08 12:08:02,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:08:02,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:02,060 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] [2018-12-08 12:08:02,060 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:02,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:02,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1254012497, now seen corresponding path program 1 times [2018-12-08 12:08:02,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:02,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:02,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:02,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:02,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:02,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:08:02,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:08:02,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:08:02,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:08:02,119 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 7 states. [2018-12-08 12:08:02,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:02,242 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-08 12:08:02,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 12:08:02,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-08 12:08:02,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:02,243 INFO L225 Difference]: With dead ends: 61 [2018-12-08 12:08:02,243 INFO L226 Difference]: Without dead ends: 61 [2018-12-08 12:08:02,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-08 12:08:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-08 12:08:02,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2018-12-08 12:08:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-08 12:08:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-12-08 12:08:02,246 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 28 [2018-12-08 12:08:02,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:02,246 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-12-08 12:08:02,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:08:02,246 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-12-08 12:08:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:08:02,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:02,247 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] [2018-12-08 12:08:02,247 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:02,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:02,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1254012496, now seen corresponding path program 1 times [2018-12-08 12:08:02,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:02,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:02,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:02,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:02,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:02,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:08:02,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 12:08:02,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 12:08:02,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:08:02,313 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 8 states. [2018-12-08 12:08:02,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:02,419 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2018-12-08 12:08:02,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 12:08:02,420 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-08 12:08:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:02,420 INFO L225 Difference]: With dead ends: 54 [2018-12-08 12:08:02,420 INFO L226 Difference]: Without dead ends: 54 [2018-12-08 12:08:02,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-12-08 12:08:02,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-08 12:08:02,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-08 12:08:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-08 12:08:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-12-08 12:08:02,425 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 28 [2018-12-08 12:08:02,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:02,425 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-12-08 12:08:02,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 12:08:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-12-08 12:08:02,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:08:02,426 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:02,426 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] [2018-12-08 12:08:02,426 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:02,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:02,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1946615217, now seen corresponding path program 1 times [2018-12-08 12:08:02,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:02,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:02,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:02,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:02,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:02,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:08:02,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:08:02,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:08:02,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:08:02,517 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 7 states. [2018-12-08 12:08:02,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:02,649 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-12-08 12:08:02,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 12:08:02,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-08 12:08:02,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:02,650 INFO L225 Difference]: With dead ends: 56 [2018-12-08 12:08:02,650 INFO L226 Difference]: Without dead ends: 42 [2018-12-08 12:08:02,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-08 12:08:02,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-08 12:08:02,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-08 12:08:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 12:08:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-12-08 12:08:02,653 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-12-08 12:08:02,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:02,653 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-12-08 12:08:02,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:08:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-12-08 12:08:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 12:08:02,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:02,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:02,654 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:02,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:02,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1666782604, now seen corresponding path program 1 times [2018-12-08 12:08:02,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:02,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:02,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:02,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:08:02,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:02,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:02,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:02,680 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2018-12-08 12:08:02,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:02,683 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-08 12:08:02,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:02,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-12-08 12:08:02,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:02,684 INFO L225 Difference]: With dead ends: 42 [2018-12-08 12:08:02,684 INFO L226 Difference]: Without dead ends: 42 [2018-12-08 12:08:02,685 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 [2018-12-08 12:08:02,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-08 12:08:02,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-08 12:08:02,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 12:08:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-08 12:08:02,687 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2018-12-08 12:08:02,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:02,687 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-08 12:08:02,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-08 12:08:02,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 12:08:02,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:02,688 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:02,688 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-08 12:08:02,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:02,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1053361321, now seen corresponding path program 1 times [2018-12-08 12:08:02,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:08:02,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:08:02,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:02,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:08:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:08:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:08:02,731 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 12:08:02,744 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 12:08:02,748 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-08 12:08:02,749 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:08:02,749 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-08 12:08:02,749 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:08:02,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:08:02 BoogieIcfgContainer [2018-12-08 12:08:02,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:08:02,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:08:02,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:08:02,759 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:08:02,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:08:01" (3/4) ... [2018-12-08 12:08:02,762 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:08:02,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:08:02,763 INFO L168 Benchmark]: Toolchain (without parser) took 2311.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:02,764 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:08:02,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:02,765 INFO L168 Benchmark]: Boogie Preprocessor took 43.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:02,765 INFO L168 Benchmark]: RCFGBuilder took 506.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:02,766 INFO L168 Benchmark]: TraceAbstraction took 1424.04 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 976.0 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:08:02,766 INFO L168 Benchmark]: Witness Printer took 3.71 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. [2018-12-08 12:08:02,768 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 330.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 506.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 976.0 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1424.04 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 976.0 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.71 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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 14 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 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 18 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 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: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={13:0}, ldv_global_msg_list={16:0}] [L1477] CALL entry_point() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}] [L1443] int ret = - -3; VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={13:0}, ldv_global_msg_list={16:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, a6={13:0}, ldv_global_msg_list={16:0}, malloc(size)={12:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, ldv_malloc(sizeof(int))={12:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={13:0}, a={13:0}, a6={13:0}, f6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1450] CALL, EXPR g6() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={13:0}, a={13:0}, a6={13:0}, g6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1453] a->p = p VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1454] return 0; VAL [\result=0, a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={13:0}, ldv_global_msg_list={16:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1473] a6.p = 0 VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1477] RET entry_point() VAL [a6={13:0}, ldv_global_msg_list={16:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 73 error locations. UNSAFE Result, 1.3s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 364 SDslu, 941 SDs, 0 SdLazy, 518 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 32 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 26229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 [2018-12-08 12:08:04,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:08:04,120 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:08:04,126 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:08:04,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:08:04,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:08:04,127 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:08:04,128 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:08:04,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:08:04,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:08:04,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:08:04,130 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:08:04,130 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:08:04,131 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:08:04,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:08:04,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:08:04,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:08:04,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:08:04,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:08:04,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:08:04,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:08:04,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:08:04,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:08:04,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:08:04,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:08:04,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:08:04,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:08:04,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:08:04,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:08:04,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:08:04,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:08:04,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:08:04,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:08:04,141 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:08:04,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:08:04,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:08:04,142 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-08 12:08:04,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:08:04,149 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:08:04,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:08:04,149 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:08:04,150 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:08:04,150 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:08:04,150 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:08:04,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:08:04,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:08:04,150 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:08:04,151 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 12:08:04,152 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 12:08:04,152 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:08:04,152 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:08:04,152 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:08:04,152 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:08:04,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:08:04,152 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:08:04,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:08:04,153 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:08:04,153 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:08:04,153 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 12:08:04,153 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:08:04,153 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 12:08:04,153 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_f8af3188-eae8-4125-9a4f-6b65a34ffe67/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 -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2018-12-08 12:08:04,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:08:04,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:08:04,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:08:04,185 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:08:04,185 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:08:04,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-08 12:08:04,222 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/9c5cc678a/eb9ce9ba07684af38eb32a7b31187264/FLAG383e3fc8c [2018-12-08 12:08:04,599 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:08:04,599 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-08 12:08:04,608 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/9c5cc678a/eb9ce9ba07684af38eb32a7b31187264/FLAG383e3fc8c [2018-12-08 12:08:04,618 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/data/9c5cc678a/eb9ce9ba07684af38eb32a7b31187264 [2018-12-08 12:08:04,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:08:04,621 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 12:08:04,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:08:04,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:08:04,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:08:04,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:04,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04, skipping insertion in model container [2018-12-08 12:08:04,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:04,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:08:04,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:08:04,857 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:08:04,869 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:08:04,947 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:08:04,989 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:08:04,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04 WrapperNode [2018-12-08 12:08:04,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:08:04,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:08:04,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:08:04,990 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:08:04,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:04,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:05,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:05,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:05,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:05,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:05,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... [2018-12-08 12:08:05,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:08:05,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:08:05,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:08:05,035 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:08:05,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:08:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:08:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:08:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:08:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 12:08:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 12:08:05,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 12:08:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 12:08:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 12:08:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 12:08:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 12:08:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 12:08:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 12:08:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 12:08:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 12:08:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 12:08:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 12:08:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 12:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 12:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 12:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-08 12:08:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-08 12:08:05,344 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:08:05,572 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 12:08:05,823 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:08:05,824 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 12:08:05,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:08:05 BoogieIcfgContainer [2018-12-08 12:08:05,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:08:05,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:08:05,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:08:05,827 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:08:05,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:08:04" (1/3) ... [2018-12-08 12:08:05,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fad7306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:08:05, skipping insertion in model container [2018-12-08 12:08:05,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:08:04" (2/3) ... [2018-12-08 12:08:05,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fad7306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:08:05, skipping insertion in model container [2018-12-08 12:08:05,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:08:05" (3/3) ... [2018-12-08 12:08:05,830 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-08 12:08:05,835 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:08:05,840 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-12-08 12:08:05,850 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-12-08 12:08:05,864 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:08:05,865 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:08:05,865 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 12:08:05,865 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:08:05,865 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:08:05,865 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:08:05,865 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:08:05,865 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:08:05,865 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:08:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-08 12:08:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:08:05,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:05,880 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] [2018-12-08 12:08:05,882 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:05,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:05,885 INFO L82 PathProgramCache]: Analyzing trace with hash -435326506, now seen corresponding path program 1 times [2018-12-08 12:08:05,888 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:05,888 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:05,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:05,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:05,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:05,986 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:05,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:05,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:08:05,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:06,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:06,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:06,002 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 5 states. [2018-12-08 12:08:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:06,054 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-12-08 12:08:06,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:06,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-08 12:08:06,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:06,063 INFO L225 Difference]: With dead ends: 72 [2018-12-08 12:08:06,063 INFO L226 Difference]: Without dead ends: 69 [2018-12-08 12:08:06,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:06,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-08 12:08:06,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2018-12-08 12:08:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-08 12:08:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-12-08 12:08:06,089 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 20 [2018-12-08 12:08:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:06,089 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-12-08 12:08:06,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-12-08 12:08:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:08:06,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:06,090 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] [2018-12-08 12:08:06,090 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:06,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:06,090 INFO L82 PathProgramCache]: Analyzing trace with hash -631840011, now seen corresponding path program 1 times [2018-12-08 12:08:06,091 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:06,091 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:06,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:06,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:06,163 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:06,169 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:06,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 12:08:06,183 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:06,187 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:06,198 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 12:08:06,198 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:06,227 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 12:08:06,228 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:06,249 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:06,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:06,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-08 12:08:06,296 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-08 12:08:06,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-08 12:08:06,321 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:06,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 12:08:06,323 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-08 12:08:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:06,329 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:06,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:06,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:08:06,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 12:08:06,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:08:06,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:08:06,331 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-12-08 12:08:06,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:06,450 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2018-12-08 12:08:06,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:06,451 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-08 12:08:06,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:06,452 INFO L225 Difference]: With dead ends: 88 [2018-12-08 12:08:06,452 INFO L226 Difference]: Without dead ends: 85 [2018-12-08 12:08:06,452 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:06,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-08 12:08:06,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2018-12-08 12:08:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-08 12:08:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2018-12-08 12:08:06,458 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 20 [2018-12-08 12:08:06,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:06,458 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2018-12-08 12:08:06,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 12:08:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-12-08 12:08:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 12:08:06,459 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:06,460 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] [2018-12-08 12:08:06,460 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:06,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:06,460 INFO L82 PathProgramCache]: Analyzing trace with hash -631840010, now seen corresponding path program 1 times [2018-12-08 12:08:06,460 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:06,461 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:06,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:06,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:06,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 12:08:06,522 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:06,529 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:06,530 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:06,539 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 12:08:06,555 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-08 12:08:06,555 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2018-12-08 12:08:06,577 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-08 12:08:06,577 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:06,581 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 12:08:06,581 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-12-08 12:08:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:06,591 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:06,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:06,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:08:06,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 12:08:06,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:08:06,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:08:06,593 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand 4 states. [2018-12-08 12:08:06,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:06,691 INFO L93 Difference]: Finished difference Result 106 states and 114 transitions. [2018-12-08 12:08:06,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 12:08:06,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-08 12:08:06,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:06,693 INFO L225 Difference]: With dead ends: 106 [2018-12-08 12:08:06,693 INFO L226 Difference]: Without dead ends: 96 [2018-12-08 12:08:06,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:06,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-08 12:08:06,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 87. [2018-12-08 12:08:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-08 12:08:06,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-12-08 12:08:06,700 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 20 [2018-12-08 12:08:06,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:06,700 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-12-08 12:08:06,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 12:08:06,700 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-12-08 12:08:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 12:08:06,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:06,701 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:06,701 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:06,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:06,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1867690150, now seen corresponding path program 1 times [2018-12-08 12:08:06,701 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:06,702 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:06,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:06,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:06,758 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:06,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:06,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:08:06,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:06,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:06,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:06,759 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 5 states. [2018-12-08 12:08:06,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:06,784 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2018-12-08 12:08:06,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:06,785 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-08 12:08:06,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:06,786 INFO L225 Difference]: With dead ends: 86 [2018-12-08 12:08:06,786 INFO L226 Difference]: Without dead ends: 86 [2018-12-08 12:08:06,786 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 [2018-12-08 12:08:06,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-08 12:08:06,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-08 12:08:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-08 12:08:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-12-08 12:08:06,790 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 22 [2018-12-08 12:08:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:06,791 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-12-08 12:08:06,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:06,791 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-12-08 12:08:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:08:06,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:06,791 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:06,792 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:06,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:06,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2063819383, now seen corresponding path program 1 times [2018-12-08 12:08:06,792 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:06,792 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:06,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:06,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:06,869 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 12:08:06,870 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:06,871 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 12:08:06,871 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 12:08:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:06,910 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:06,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:06,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:08:06,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:08:06,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:08:06,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:08:06,911 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 6 states. [2018-12-08 12:08:07,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:07,044 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2018-12-08 12:08:07,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:08:07,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-08 12:08:07,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:07,045 INFO L225 Difference]: With dead ends: 89 [2018-12-08 12:08:07,045 INFO L226 Difference]: Without dead ends: 89 [2018-12-08 12:08:07,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:08:07,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-12-08 12:08:07,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2018-12-08 12:08:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-08 12:08:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2018-12-08 12:08:07,049 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 23 [2018-12-08 12:08:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:07,049 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2018-12-08 12:08:07,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:08:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2018-12-08 12:08:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 12:08:07,050 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:07,050 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:07,050 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:07,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:07,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1937744906, now seen corresponding path program 1 times [2018-12-08 12:08:07,051 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:07,051 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:07,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:07,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:07,121 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:07,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:07,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:08:07,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:08:07,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:08:07,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:08:07,122 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand 6 states. [2018-12-08 12:08:07,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:07,150 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-12-08 12:08:07,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:08:07,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-08 12:08:07,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:07,152 INFO L225 Difference]: With dead ends: 77 [2018-12-08 12:08:07,152 INFO L226 Difference]: Without dead ends: 76 [2018-12-08 12:08:07,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:08:07,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-08 12:08:07,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-12-08 12:08:07,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-08 12:08:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-12-08 12:08:07,155 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 23 [2018-12-08 12:08:07,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:07,156 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-12-08 12:08:07,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:08:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-12-08 12:08:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:08:07,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:07,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:07,156 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:07,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:07,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1281719761, now seen corresponding path program 1 times [2018-12-08 12:08:07,157 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:07,157 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:07,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:07,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:07,230 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 12:08:07,235 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:07,244 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:07,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:07,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 12:08:07,276 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:07,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:07,289 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 12:08:07,292 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:07,295 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:07,300 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 12:08:07,300 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:07,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 12:08:07,321 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:07,339 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:07,355 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:07,383 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-12-08 12:08:07,384 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-08 12:08:08,321 WARN L854 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2018-12-08 12:08:08,328 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,329 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,331 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,332 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-12-08 12:08:08,332 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:08,394 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,396 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,398 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,407 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 49 [2018-12-08 12:08:08,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:08,563 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,565 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2018-12-08 12:08:08,565 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:08,654 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-12-08 12:08:08,654 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:08,724 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,725 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,725 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-12-08 12:08:08,726 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:08,729 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,730 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,731 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-12-08 12:08:08,731 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:08,829 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,832 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:08,833 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-08 12:08:08,834 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:09,001 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:09,002 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2018-12-08 12:08:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:09,156 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:09,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:09,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 12:08:09,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 12:08:09,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 12:08:09,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-12-08 12:08:09,157 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 9 states. [2018-12-08 12:08:12,176 WARN L180 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 36 [2018-12-08 12:08:13,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:13,334 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2018-12-08 12:08:13,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 12:08:13,334 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-12-08 12:08:13,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:13,335 INFO L225 Difference]: With dead ends: 77 [2018-12-08 12:08:13,335 INFO L226 Difference]: Without dead ends: 60 [2018-12-08 12:08:13,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=59, Invalid=125, Unknown=2, NotChecked=24, Total=210 [2018-12-08 12:08:13,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-08 12:08:13,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2018-12-08 12:08:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-08 12:08:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-12-08 12:08:13,337 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 28 [2018-12-08 12:08:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:13,338 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-12-08 12:08:13,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 12:08:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-12-08 12:08:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:08:13,338 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:13,338 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] [2018-12-08 12:08:13,338 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:13,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:13,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1281719760, now seen corresponding path program 1 times [2018-12-08 12:08:13,339 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:13,339 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:13,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:13,398 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:13,401 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:13,404 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:13,409 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 12:08:13,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 12:08:13,413 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:13,427 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:13,430 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:13,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 12:08:13,436 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:13,451 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:13,466 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:13,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-08 12:08:13,480 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-08 12:08:13,884 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2018-12-08 12:08:13,888 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-12-08 12:08:13,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:13,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 12:08:13,891 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-12-08 12:08:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:13,924 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:13,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:13,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:08:13,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 12:08:13,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 12:08:13,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2018-12-08 12:08:13,926 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 8 states. [2018-12-08 12:08:16,067 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-08 12:08:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:16,676 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-12-08 12:08:16,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 12:08:16,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-08 12:08:16,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:16,677 INFO L225 Difference]: With dead ends: 55 [2018-12-08 12:08:16,677 INFO L226 Difference]: Without dead ends: 55 [2018-12-08 12:08:16,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=48, Invalid=82, Unknown=6, NotChecked=20, Total=156 [2018-12-08 12:08:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-08 12:08:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-08 12:08:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-08 12:08:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-12-08 12:08:16,680 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 28 [2018-12-08 12:08:16,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:16,680 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-12-08 12:08:16,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 12:08:16,681 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-12-08 12:08:16,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:08:16,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:16,681 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] [2018-12-08 12:08:16,682 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:16,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:16,682 INFO L82 PathProgramCache]: Analyzing trace with hash 589117040, now seen corresponding path program 1 times [2018-12-08 12:08:16,682 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:16,682 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:16,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:16,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:16,745 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:16,749 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:16,758 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 12:08:16,764 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 12:08:16,764 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:16,779 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:16,781 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:16,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 12:08:16,786 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:16,801 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:16,814 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:16,828 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-08 12:08:16,828 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-08 12:08:16,843 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-08 12:08:16,844 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:16,845 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 12:08:16,845 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-08 12:08:16,894 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:16,894 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-12-08 12:08:16,895 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:16,905 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:16,905 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-12-08 12:08:16,906 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:16,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-08 12:08:16,911 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2018-12-08 12:08:18,054 WARN L854 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (not (= probe1_6_~p~0.base (_ bv0 32))) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2018-12-08 12:08:18,060 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:18,061 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:18,061 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-12-08 12:08:18,062 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:18,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-08 12:08:18,069 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:16 [2018-12-08 12:08:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:18,407 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:18,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:18,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-08 12:08:18,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 12:08:18,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 12:08:18,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2018-12-08 12:08:18,410 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 12 states. [2018-12-08 12:08:27,479 WARN L180 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-12-08 12:08:31,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:31,776 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-12-08 12:08:31,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 12:08:31,777 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-12-08 12:08:31,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:31,777 INFO L225 Difference]: With dead ends: 57 [2018-12-08 12:08:31,777 INFO L226 Difference]: Without dead ends: 54 [2018-12-08 12:08:31,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=54, Invalid=159, Unknown=1, NotChecked=26, Total=240 [2018-12-08 12:08:31,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-08 12:08:31,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-08 12:08:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-08 12:08:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-12-08 12:08:31,779 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 28 [2018-12-08 12:08:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:31,780 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-12-08 12:08:31,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 12:08:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-12-08 12:08:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 12:08:31,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:31,780 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] [2018-12-08 12:08:31,780 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:31,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash 589117041, now seen corresponding path program 1 times [2018-12-08 12:08:31,781 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:31,781 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:31,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:31,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:31,852 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-08 12:08:31,863 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:31,879 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:31,880 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:31,892 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-08 12:08:31,913 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-08 12:08:31,917 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:31,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-08 12:08:31,927 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-08 12:08:31,927 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:31,942 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:31,945 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:31,957 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-08 12:08:31,957 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:31,974 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:31,990 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:32,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-12-08 12:08:32,019 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-08 12:08:32,079 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-12-08 12:08:32,080 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:32,108 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:32,109 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:32,110 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-12-08 12:08:32,110 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:32,134 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:32,135 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:32,135 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-12-08 12:08:32,135 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:32,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2018-12-08 12:08:32,166 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:32,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 12:08:32,174 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2018-12-08 12:08:34,332 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 16 [2018-12-08 12:08:34,340 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 12:08:34,340 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:34,347 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-08 12:08:34,347 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:34,351 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 12:08:34,351 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2018-12-08 12:08:35,233 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,234 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,236 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,245 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 47 [2018-12-08 12:08:35,245 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-12-08 12:08:35,358 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,359 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-08 12:08:35,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:35,362 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,363 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,363 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-12-08 12:08:35,363 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:35,465 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-12-08 12:08:35,467 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:35,573 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,575 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-12-08 12:08:35,575 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:35,639 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,640 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,640 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-12-08 12:08:35,641 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:35,709 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,710 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,712 INFO L701 Elim1Store]: detected not equals via solver [2018-12-08 12:08:35,713 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2018-12-08 12:08:35,713 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-08 12:08:35,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-08 12:08:35,767 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2018-12-08 12:08:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:37,622 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:37,623 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:37,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:08:37,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:08:37,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:08:37,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2018-12-08 12:08:37,624 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 7 states. [2018-12-08 12:08:45,376 WARN L180 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-08 12:08:51,577 WARN L180 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-08 12:08:59,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:59,242 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-12-08 12:08:59,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:08:59,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-08 12:08:59,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:59,243 INFO L225 Difference]: With dead ends: 53 [2018-12-08 12:08:59,243 INFO L226 Difference]: Without dead ends: 42 [2018-12-08 12:08:59,243 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2018-12-08 12:08:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-08 12:08:59,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-08 12:08:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 12:08:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-12-08 12:08:59,245 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-12-08 12:08:59,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:59,245 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-12-08 12:08:59,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:08:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-12-08 12:08:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 12:08:59,245 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:59,245 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:59,246 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:59,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:59,246 INFO L82 PathProgramCache]: Analyzing trace with hash -900221173, now seen corresponding path program 1 times [2018-12-08 12:08:59,246 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:59,246 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:59,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:08:59,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:08:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:08:59,293 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 12:08:59,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:08:59,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:08:59,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:08:59,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:08:59,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:59,295 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2018-12-08 12:08:59,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:08:59,298 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-08 12:08:59,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:08:59,298 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-12-08 12:08:59,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:08:59,299 INFO L225 Difference]: With dead ends: 42 [2018-12-08 12:08:59,299 INFO L226 Difference]: Without dead ends: 42 [2018-12-08 12:08:59,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:08:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-08 12:08:59,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-08 12:08:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 12:08:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-08 12:08:59,301 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2018-12-08 12:08:59,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:08:59,301 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-08 12:08:59,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:08:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-08 12:08:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 12:08:59,302 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:08:59,302 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:08:59,302 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-08 12:08:59,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:08:59,302 INFO L82 PathProgramCache]: Analyzing trace with hash -629260568, now seen corresponding path program 1 times [2018-12-08 12:08:59,302 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 12:08:59,302 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af3188-eae8-4125-9a4f-6b65a34ffe67/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 12:08:59,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:08:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:08:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:08:59,487 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 12:08:59,496 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 12:08:59,499 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:08:59,500 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 12:08:59,500 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-08 12:08:59,500 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-08 12:08:59,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:08:59 BoogieIcfgContainer [2018-12-08 12:08:59,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:08:59,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:08:59,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:08:59,507 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:08:59,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:08:05" (3/4) ... [2018-12-08 12:08:59,509 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:08:59,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:08:59,509 INFO L168 Benchmark]: Toolchain (without parser) took 54889.15 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:59,510 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. [2018-12-08 12:08:59,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:59,510 INFO L168 Benchmark]: Boogie Preprocessor took 45.17 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. [2018-12-08 12:08:59,510 INFO L168 Benchmark]: RCFGBuilder took 789.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:59,510 INFO L168 Benchmark]: TraceAbstraction took 53681.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:08:59,511 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:08:59,511 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 367.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.17 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 789.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53681.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 178.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -108.1 MB). Peak memory consumption was 70.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.4 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 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# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={3:0}, ldv_global_msg_list={2:0}] [L1477] CALL entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}] [L1443] int ret = - -3; VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={3:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={4093:0}, a6={3:0}, ldv_global_msg_list={2:0}, malloc(size)={4093:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={4093:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={3:0}, a={3:0}, a6={3:0}, f6()=0, ldv_global_msg_list={2:0}, p={4093:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1450] CALL, EXPR g6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={3:0}, a={3:0}, a6={3:0}, g6()=0, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1453] a->p = p VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1454] return 0; VAL [\result=0, a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1473] a6.p = 0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1477] RET entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 340 locations, 73 error locations. UNSAFE Result, 53.6s OverallTime, 12 OverallIterations, 1 TraceHistogramMax, 42.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 571 SDtfs, 524 SDslu, 1105 SDs, 0 SdLazy, 686 SolverSat, 190 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 202 SyntacticMatches, 15 SemanticMatches, 71 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 28.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 11 MinimizatonAttempts, 41 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 266 ConstructedInterpolants, 38 QuantifiedInterpolants, 53149 SizeOfPredicates, 43 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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...