./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:40:56,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:40:56,013 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:40:56,019 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:40:56,020 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:40:56,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:40:56,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:40:56,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:40:56,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:40:56,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:40:56,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:40:56,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:40:56,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:40:56,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:40:56,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:40:56,028 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:40:56,028 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:40:56,030 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:40:56,031 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:40:56,032 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:40:56,033 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:40:56,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:40:56,036 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:40:56,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:40:56,036 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:40:56,037 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:40:56,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:40:56,038 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:40:56,039 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:40:56,039 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:40:56,040 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:40:56,040 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:40:56,040 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:40:56,040 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:40:56,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:40:56,042 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:40:56,042 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 12:40:56,052 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:40:56,052 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:40:56,053 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:40:56,053 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:40:56,053 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:40:56,053 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:40:56,054 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:40:56,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:40:56,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:40:56,054 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:40:56,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:40:56,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:40:56,054 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:40:56,055 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 12:40:56,055 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 12:40:56,055 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 12:40:56,055 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:40:56,055 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:40:56,055 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:40:56,055 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:40:56,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:40:56,056 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:40:56,056 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:40:56,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:40:56,056 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:40:56,056 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:40:56,056 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:40:56,057 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:40:56,057 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_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2018-11-28 12:40:56,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:40:56,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:40:56,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:40:56,092 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:40:56,092 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:40:56,093 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-11-28 12:40:56,133 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/6737200f6/21469eb405594e1ea48e21f908be29d0/FLAGeed1b4380 [2018-11-28 12:40:56,525 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:40:56,525 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-11-28 12:40:56,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/6737200f6/21469eb405594e1ea48e21f908be29d0/FLAGeed1b4380 [2018-11-28 12:40:56,908 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/6737200f6/21469eb405594e1ea48e21f908be29d0 [2018-11-28 12:40:56,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:40:56,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 12:40:56,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:40:56,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:40:56,915 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:40:56,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:56" (1/1) ... [2018-11-28 12:40:56,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e65c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:56, skipping insertion in model container [2018-11-28 12:40:56,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:56" (1/1) ... [2018-11-28 12:40:56,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:40:56,952 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:40:57,231 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:40:57,246 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:40:57,288 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:40:57,331 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:40:57,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57 WrapperNode [2018-11-28 12:40:57,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:40:57,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:40:57,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:40:57,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:40:57,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... [2018-11-28 12:40:57,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... [2018-11-28 12:40:57,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... [2018-11-28 12:40:57,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... [2018-11-28 12:40:57,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... [2018-11-28 12:40:57,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... [2018-11-28 12:40:57,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... [2018-11-28 12:40:57,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:40:57,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:40:57,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:40:57,396 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:40:57,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 12:40:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 12:40:57,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 12:40:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 12:40:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 12:40:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 12:40:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 12:40:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:40:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 12:40:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 12:40:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 12:40:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 12:40:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 12:40:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 12:40:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 12:40:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 12:40:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 12:40:57,438 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 12:40:57,439 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 12:40:57,440 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 12:40:57,441 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 12:40:57,442 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 12:40:57,443 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 12:40:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 12:40:57,445 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 12:40:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 12:40:57,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 12:40:57,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 12:40:57,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:40:57,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:40:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 12:40:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:40:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 12:40:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 12:40:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 12:40:57,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 12:40:57,756 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 12:40:57,940 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 12:40:58,088 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:40:58,088 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:40:58,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:58 BoogieIcfgContainer [2018-11-28 12:40:58,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:40:58,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:40:58,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:40:58,092 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:40:58,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:40:56" (1/3) ... [2018-11-28 12:40:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b317b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:58, skipping insertion in model container [2018-11-28 12:40:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:57" (2/3) ... [2018-11-28 12:40:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b317b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:58, skipping insertion in model container [2018-11-28 12:40:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:58" (3/3) ... [2018-11-28 12:40:58,097 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-11-28 12:40:58,103 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:40:58,109 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-11-28 12:40:58,118 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-11-28 12:40:58,135 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:40:58,135 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:40:58,135 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 12:40:58,136 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:40:58,136 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:40:58,136 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:40:58,136 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:40:58,136 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:40:58,136 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:40:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-11-28 12:40:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 12:40:58,154 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:58,154 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:58,156 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:58,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:58,161 INFO L82 PathProgramCache]: Analyzing trace with hash -36030759, now seen corresponding path program 1 times [2018-11-28 12:40:58,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:58,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:58,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:58,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:58,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:58,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:40:58,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:40:58,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:40:58,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:58,347 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2018-11-28 12:40:58,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:58,438 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-11-28 12:40:58,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:40:58,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-28 12:40:58,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:58,449 INFO L225 Difference]: With dead ends: 74 [2018-11-28 12:40:58,450 INFO L226 Difference]: Without dead ends: 71 [2018-11-28 12:40:58,451 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 [2018-11-28 12:40:58,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-11-28 12:40:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-11-28 12:40:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 12:40:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-11-28 12:40:58,484 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2018-11-28 12:40:58,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:58,485 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-11-28 12:40:58,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:40:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-11-28 12:40:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 12:40:58,485 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:58,486 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:58,486 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:58,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:58,486 INFO L82 PathProgramCache]: Analyzing trace with hash -36030758, now seen corresponding path program 1 times [2018-11-28 12:40:58,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:58,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:58,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:58,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:58,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:58,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:40:58,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:58,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:58,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:58,593 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 6 states. [2018-11-28 12:40:58,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:58,696 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-11-28 12:40:58,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:40:58,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-28 12:40:58,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:58,698 INFO L225 Difference]: With dead ends: 70 [2018-11-28 12:40:58,698 INFO L226 Difference]: Without dead ends: 70 [2018-11-28 12:40:58,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:58,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-28 12:40:58,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2018-11-28 12:40:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 12:40:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-11-28 12:40:58,706 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2018-11-28 12:40:58,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:58,708 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-11-28 12:40:58,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-11-28 12:40:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 12:40:58,709 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:58,709 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:58,710 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:58,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:58,710 INFO L82 PathProgramCache]: Analyzing trace with hash -7401608, now seen corresponding path program 1 times [2018-11-28 12:40:58,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:58,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:58,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:58,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:58,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:58,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:40:58,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:40:58,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:40:58,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:58,771 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2018-11-28 12:40:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:58,783 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-11-28 12:40:58,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:40:58,783 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-28 12:40:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:58,784 INFO L225 Difference]: With dead ends: 64 [2018-11-28 12:40:58,784 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 12:40:58,785 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 [2018-11-28 12:40:58,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 12:40:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-11-28 12:40:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 12:40:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-11-28 12:40:58,789 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2018-11-28 12:40:58,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:58,790 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-11-28 12:40:58,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:40:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-11-28 12:40:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 12:40:58,790 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:58,790 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] [2018-11-28 12:40:58,791 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:58,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:58,791 INFO L82 PathProgramCache]: Analyzing trace with hash 472905528, now seen corresponding path program 1 times [2018-11-28 12:40:58,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:58,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:58,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:58,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:58,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:58,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:40:58,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:40:58,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:40:58,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:58,826 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2018-11-28 12:40:58,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:58,838 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-11-28 12:40:58,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:40:58,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-28 12:40:58,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:58,839 INFO L225 Difference]: With dead ends: 64 [2018-11-28 12:40:58,840 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 12:40:58,840 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 [2018-11-28 12:40:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 12:40:58,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-11-28 12:40:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 12:40:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-11-28 12:40:58,846 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2018-11-28 12:40:58,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:58,846 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-11-28 12:40:58,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:40:58,846 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-11-28 12:40:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 12:40:58,846 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:58,847 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] [2018-11-28 12:40:58,847 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:58,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:58,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1324045831, now seen corresponding path program 1 times [2018-11-28 12:40:58,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:58,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:58,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:58,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:58,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:58,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:58,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:40:58,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:40:58,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:40:58,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:40:58,886 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2018-11-28 12:40:58,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:58,915 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-11-28 12:40:58,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:40:58,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-28 12:40:58,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:58,916 INFO L225 Difference]: With dead ends: 68 [2018-11-28 12:40:58,916 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 12:40:58,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:40:58,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 12:40:58,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 12:40:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 12:40:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-11-28 12:40:58,922 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2018-11-28 12:40:58,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:58,922 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-11-28 12:40:58,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:40:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-28 12:40:58,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 12:40:58,923 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:58,923 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:58,923 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:58,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:58,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1119250772, now seen corresponding path program 1 times [2018-11-28 12:40:58,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:58,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:58,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:58,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:59,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:59,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:40:59,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:40:59,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:40:59,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:40:59,015 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 11 states. [2018-11-28 12:40:59,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:59,178 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-11-28 12:40:59,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:40:59,178 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-11-28 12:40:59,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:59,179 INFO L225 Difference]: With dead ends: 57 [2018-11-28 12:40:59,179 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 12:40:59,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:40:59,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 12:40:59,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-11-28 12:40:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 12:40:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-11-28 12:40:59,183 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 32 [2018-11-28 12:40:59,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:59,183 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-11-28 12:40:59,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:40:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-11-28 12:40:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 12:40:59,185 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:59,186 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:59,186 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:59,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:59,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1119250773, now seen corresponding path program 1 times [2018-11-28 12:40:59,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:59,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:59,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:59,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:59,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:59,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:59,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:40:59,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:40:59,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:40:59,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:40:59,233 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 4 states. [2018-11-28 12:40:59,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:59,251 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-11-28 12:40:59,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:40:59,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-11-28 12:40:59,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:59,257 INFO L225 Difference]: With dead ends: 60 [2018-11-28 12:40:59,257 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 12:40:59,257 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:40:59,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 12:40:59,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 12:40:59,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 12:40:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-11-28 12:40:59,262 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 32 [2018-11-28 12:40:59,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:59,262 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-11-28 12:40:59,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:40:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-28 12:40:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 12:40:59,263 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:59,263 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:59,263 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:59,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:59,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1927244860, now seen corresponding path program 1 times [2018-11-28 12:40:59,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:59,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:59,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:59,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:59,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:59,297 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:40:59,297 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:40:59,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:59,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:40:59,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:59,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:40:59,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-11-28 12:40:59,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:59,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:59,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:59,403 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2018-11-28 12:40:59,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:59,422 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-28 12:40:59,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:40:59,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-11-28 12:40:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:59,425 INFO L225 Difference]: With dead ends: 61 [2018-11-28 12:40:59,425 INFO L226 Difference]: Without dead ends: 59 [2018-11-28 12:40:59,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-28 12:40:59,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-11-28 12:40:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-28 12:40:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-11-28 12:40:59,427 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 33 [2018-11-28 12:40:59,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:59,428 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-11-28 12:40:59,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-11-28 12:40:59,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-28 12:40:59,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:59,428 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:59,429 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:40:59,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:59,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1879328971, now seen corresponding path program 2 times [2018-11-28 12:40:59,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:59,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:59,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:59,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:59,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:59,477 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:40:59,477 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:40:59,487 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:40:59,508 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-28 12:40:59,509 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:40:59,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:40:59,552 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 [2018-11-28 12:40:59,553 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:40:59,559 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:40:59,559 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-11-28 12:40:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:40:59,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:40:59,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 17 [2018-11-28 12:40:59,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 12:40:59,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 12:40:59,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:40:59,710 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 17 states. [2018-11-28 12:40:59,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:59,994 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-28 12:40:59,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:40:59,994 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 34 [2018-11-28 12:40:59,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:59,995 INFO L225 Difference]: With dead ends: 61 [2018-11-28 12:40:59,995 INFO L226 Difference]: Without dead ends: 59 [2018-11-28 12:40:59,996 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2018-11-28 12:40:59,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-28 12:40:59,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-11-28 12:40:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-28 12:40:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-11-28 12:40:59,998 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 34 [2018-11-28 12:40:59,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:59,998 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-11-28 12:40:59,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 12:40:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-11-28 12:40:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-28 12:40:59,999 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:59,999 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:00,000 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:00,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:00,000 INFO L82 PathProgramCache]: Analyzing trace with hash -608846876, now seen corresponding path program 1 times [2018-11-28 12:41:00,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:00,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:00,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:00,001 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:00,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:41:00,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:00,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:41:00,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:41:00,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:41:00,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:41:00,079 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 11 states. [2018-11-28 12:41:00,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:00,230 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-11-28 12:41:00,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:41:00,231 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2018-11-28 12:41:00,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:00,231 INFO L225 Difference]: With dead ends: 57 [2018-11-28 12:41:00,232 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 12:41:00,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:41:00,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 12:41:00,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-11-28 12:41:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 12:41:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-11-28 12:41:00,236 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 40 [2018-11-28 12:41:00,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:00,236 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-11-28 12:41:00,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:41:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-11-28 12:41:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-28 12:41:00,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:00,237 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:00,238 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:00,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:00,238 INFO L82 PathProgramCache]: Analyzing trace with hash -608846875, now seen corresponding path program 1 times [2018-11-28 12:41:00,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:00,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:00,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:00,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:00,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:00,288 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:00,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:00,288 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:00,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:00,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:00,359 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:00,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-11-28 12:41:00,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:41:00,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:41:00,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:41:00,360 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 8 states. [2018-11-28 12:41:00,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:00,376 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-11-28 12:41:00,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:41:00,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-11-28 12:41:00,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:00,377 INFO L225 Difference]: With dead ends: 60 [2018-11-28 12:41:00,377 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 12:41:00,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:41:00,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 12:41:00,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 12:41:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 12:41:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-11-28 12:41:00,380 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 40 [2018-11-28 12:41:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:00,381 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-11-28 12:41:00,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:41:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-28 12:41:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-28 12:41:00,382 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:00,383 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:00,383 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:00,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:00,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1610479788, now seen corresponding path program 2 times [2018-11-28 12:41:00,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:00,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:00,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:00,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:00,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:00,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:00,431 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:00,447 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:41:00,473 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-28 12:41:00,474 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:00,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:00,498 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 [2018-11-28 12:41:00,498 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:41:00,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:41:00,511 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-11-28 12:41:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:41:00,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:41:00,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 19 [2018-11-28 12:41:00,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:41:00,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:41:00,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:41:00,701 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 19 states. [2018-11-28 12:41:00,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:00,993 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-11-28 12:41:00,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 12:41:00,993 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 41 [2018-11-28 12:41:00,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:00,994 INFO L225 Difference]: With dead ends: 59 [2018-11-28 12:41:00,994 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 12:41:00,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2018-11-28 12:41:00,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 12:41:00,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-11-28 12:41:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 12:41:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-11-28 12:41:00,997 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 41 [2018-11-28 12:41:00,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:00,997 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-11-28 12:41:00,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:41:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-11-28 12:41:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-28 12:41:00,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:00,998 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:00,999 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:00,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:00,999 INFO L82 PathProgramCache]: Analyzing trace with hash -205588896, now seen corresponding path program 1 times [2018-11-28 12:41:00,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:00,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:01,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,004 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:01,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:01,048 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 12:41:01,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:01,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:41:01,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:41:01,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:41:01,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:41:01,049 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 7 states. [2018-11-28 12:41:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:01,070 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-11-28 12:41:01,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:41:01,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2018-11-28 12:41:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:01,071 INFO L225 Difference]: With dead ends: 59 [2018-11-28 12:41:01,071 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 12:41:01,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:41:01,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 12:41:01,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-11-28 12:41:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 12:41:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-11-28 12:41:01,075 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 40 [2018-11-28 12:41:01,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:01,075 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-11-28 12:41:01,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:41:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-11-28 12:41:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-28 12:41:01,076 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:01,076 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:01,077 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:01,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:01,077 INFO L82 PathProgramCache]: Analyzing trace with hash -390442161, now seen corresponding path program 1 times [2018-11-28 12:41:01,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:01,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:01,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:01,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 12:41:01,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:01,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:41:01,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:41:01,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:41:01,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:41:01,145 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 9 states. [2018-11-28 12:41:01,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:01,183 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-11-28 12:41:01,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:41:01,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-11-28 12:41:01,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:01,184 INFO L225 Difference]: With dead ends: 61 [2018-11-28 12:41:01,184 INFO L226 Difference]: Without dead ends: 57 [2018-11-28 12:41:01,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:41:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-11-28 12:41:01,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-11-28 12:41:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 12:41:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-11-28 12:41:01,187 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 45 [2018-11-28 12:41:01,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:01,187 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-11-28 12:41:01,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:41:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-11-28 12:41:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 12:41:01,188 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:01,189 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:01,190 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:01,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:01,190 INFO L82 PathProgramCache]: Analyzing trace with hash -2088361936, now seen corresponding path program 1 times [2018-11-28 12:41:01,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:01,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:01,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:01,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:01,240 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:01,240 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:01,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:01,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:01,314 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:01,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2018-11-28 12:41:01,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:41:01,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:41:01,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:41:01,315 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 10 states. [2018-11-28 12:41:01,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:01,330 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-11-28 12:41:01,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:41:01,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-11-28 12:41:01,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:01,330 INFO L225 Difference]: With dead ends: 60 [2018-11-28 12:41:01,330 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 12:41:01,331 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:41:01,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 12:41:01,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 12:41:01,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 12:41:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-11-28 12:41:01,333 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-11-28 12:41:01,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:01,333 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-11-28 12:41:01,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:41:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-11-28 12:41:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:41:01,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:01,334 INFO L402 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:01,334 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:01,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:01,334 INFO L82 PathProgramCache]: Analyzing trace with hash -310137441, now seen corresponding path program 2 times [2018-11-28 12:41:01,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:01,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:01,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:01,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:01,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:01,389 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:01,402 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:41:01,429 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 12:41:01,429 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:01,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:01,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:01,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2018-11-28 12:41:01,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:41:01,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:41:01,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:41:01,465 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 11 states. [2018-11-28 12:41:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:01,481 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-11-28 12:41:01,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:41:01,482 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2018-11-28 12:41:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:01,482 INFO L225 Difference]: With dead ends: 61 [2018-11-28 12:41:01,482 INFO L226 Difference]: Without dead ends: 59 [2018-11-28 12:41:01,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:41:01,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-28 12:41:01,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-11-28 12:41:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-28 12:41:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-11-28 12:41:01,484 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-11-28 12:41:01,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:01,484 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-11-28 12:41:01,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:41:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-11-28 12:41:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 12:41:01,485 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:01,485 INFO L402 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:01,486 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:01,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:01,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1019752944, now seen corresponding path program 3 times [2018-11-28 12:41:01,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:01,486 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:01,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,487 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:01,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:01,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:01,590 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:01,601 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-28 12:41:02,165 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-11-28 12:41:02,165 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:02,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:02,200 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:02,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2018-11-28 12:41:02,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:41:02,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:41:02,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:41:02,201 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 12 states. [2018-11-28 12:41:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:02,221 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-11-28 12:41:02,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:41:02,221 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2018-11-28 12:41:02,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:02,222 INFO L225 Difference]: With dead ends: 62 [2018-11-28 12:41:02,222 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 12:41:02,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:41:02,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 12:41:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-11-28 12:41:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-11-28 12:41:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-11-28 12:41:02,225 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-11-28 12:41:02,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:02,225 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-11-28 12:41:02,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:41:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-11-28 12:41:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 12:41:02,226 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:02,226 INFO L402 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:02,226 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:02,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:02,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1542997057, now seen corresponding path program 4 times [2018-11-28 12:41:02,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:02,227 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:02,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:02,228 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:02,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:02,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:02,320 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:02,332 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-28 12:41:02,370 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-28 12:41:02,370 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:02,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:02,417 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:02,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2018-11-28 12:41:02,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:41:02,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:41:02,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:41:02,418 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 13 states. [2018-11-28 12:41:02,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:02,451 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-11-28 12:41:02,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 12:41:02,452 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2018-11-28 12:41:02,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:02,453 INFO L225 Difference]: With dead ends: 63 [2018-11-28 12:41:02,453 INFO L226 Difference]: Without dead ends: 61 [2018-11-28 12:41:02,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:41:02,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-28 12:41:02,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-28 12:41:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-28 12:41:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-11-28 12:41:02,455 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-11-28 12:41:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:02,455 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-11-28 12:41:02,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:41:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-11-28 12:41:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-28 12:41:02,457 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:02,457 INFO L402 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:02,457 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:02,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:02,457 INFO L82 PathProgramCache]: Analyzing trace with hash -583695376, now seen corresponding path program 5 times [2018-11-28 12:41:02,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:02,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:02,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:02,458 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:02,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:02,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:02,538 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:02,552 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-28 12:41:02,683 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-28 12:41:02,683 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:02,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:02,700 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:02,715 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:02,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2018-11-28 12:41:02,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:41:02,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:41:02,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:41:02,716 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 14 states. [2018-11-28 12:41:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:02,772 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-11-28 12:41:02,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:41:02,772 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2018-11-28 12:41:02,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:02,772 INFO L225 Difference]: With dead ends: 64 [2018-11-28 12:41:02,772 INFO L226 Difference]: Without dead ends: 62 [2018-11-28 12:41:02,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:41:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-28 12:41:02,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-28 12:41:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 12:41:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-11-28 12:41:02,774 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-11-28 12:41:02,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:02,774 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-11-28 12:41:02,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:41:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-11-28 12:41:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 12:41:02,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:02,774 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:02,775 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:02,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:02,775 INFO L82 PathProgramCache]: Analyzing trace with hash -910114337, now seen corresponding path program 6 times [2018-11-28 12:41:02,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:02,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:02,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:02,776 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:02,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:02,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:02,859 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:02,866 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-28 12:41:05,766 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2018-11-28 12:41:05,766 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:05,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:05,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:05,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2018-11-28 12:41:05,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 12:41:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 12:41:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:41:05,801 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 15 states. [2018-11-28 12:41:05,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:05,841 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-11-28 12:41:05,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:41:05,841 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2018-11-28 12:41:05,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:05,842 INFO L225 Difference]: With dead ends: 65 [2018-11-28 12:41:05,842 INFO L226 Difference]: Without dead ends: 63 [2018-11-28 12:41:05,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:41:05,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-28 12:41:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-11-28 12:41:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-28 12:41:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-11-28 12:41:05,844 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-11-28 12:41:05,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:05,844 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-11-28 12:41:05,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 12:41:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-11-28 12:41:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 12:41:05,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:05,845 INFO L402 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:05,845 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:05,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:05,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1855799760, now seen corresponding path program 7 times [2018-11-28 12:41:05,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:05,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:05,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:05,846 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:05,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:05,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:05,954 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:05,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:05,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:06,046 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:06,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2018-11-28 12:41:06,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 12:41:06,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 12:41:06,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:41:06,047 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 16 states. [2018-11-28 12:41:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:06,079 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-11-28 12:41:06,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:41:06,079 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2018-11-28 12:41:06,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:06,080 INFO L225 Difference]: With dead ends: 66 [2018-11-28 12:41:06,080 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 12:41:06,080 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=111, Invalid=161, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:41:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 12:41:06,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-11-28 12:41:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-28 12:41:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-11-28 12:41:06,082 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-11-28 12:41:06,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:06,083 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-11-28 12:41:06,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 12:41:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-11-28 12:41:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:41:06,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:06,083 INFO L402 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:06,084 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:06,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:06,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1699790847, now seen corresponding path program 8 times [2018-11-28 12:41:06,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:06,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:06,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:06,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:06,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:06,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:06,207 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:06,219 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:41:06,252 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 12:41:06,252 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:06,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:06,264 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:06,279 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:06,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2018-11-28 12:41:06,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 12:41:06,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 12:41:06,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:41:06,280 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 17 states. [2018-11-28 12:41:06,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:06,307 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-11-28 12:41:06,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 12:41:06,309 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2018-11-28 12:41:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:06,309 INFO L225 Difference]: With dead ends: 67 [2018-11-28 12:41:06,309 INFO L226 Difference]: Without dead ends: 65 [2018-11-28 12:41:06,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=180, Unknown=0, NotChecked=0, Total=306 [2018-11-28 12:41:06,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-28 12:41:06,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-28 12:41:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 12:41:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-11-28 12:41:06,312 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-11-28 12:41:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:06,312 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-11-28 12:41:06,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 12:41:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-11-28 12:41:06,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 12:41:06,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:06,313 INFO L402 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:06,313 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:06,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:06,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1158481840, now seen corresponding path program 9 times [2018-11-28 12:41:06,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:06,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:06,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:06,314 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:06,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:06,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:06,458 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:06,476 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-28 12:41:17,495 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2018-11-28 12:41:17,495 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:17,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:17,693 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:17,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 36 [2018-11-28 12:41:17,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-11-28 12:41:17,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-11-28 12:41:17,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=889, Unknown=0, NotChecked=0, Total=1260 [2018-11-28 12:41:17,694 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 36 states. [2018-11-28 12:41:17,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:17,779 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-11-28 12:41:17,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 12:41:17,780 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 64 [2018-11-28 12:41:17,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:17,780 INFO L225 Difference]: With dead ends: 68 [2018-11-28 12:41:17,780 INFO L226 Difference]: Without dead ends: 66 [2018-11-28 12:41:17,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=409, Invalid=997, Unknown=0, NotChecked=0, Total=1406 [2018-11-28 12:41:17,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-28 12:41:17,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-28 12:41:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-28 12:41:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-11-28 12:41:17,783 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-11-28 12:41:17,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:17,783 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-11-28 12:41:17,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-11-28 12:41:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-11-28 12:41:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 12:41:17,784 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:17,784 INFO L402 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:17,784 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:17,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:17,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1557771807, now seen corresponding path program 10 times [2018-11-28 12:41:17,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:17,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:17,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:17,785 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:17,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:17,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:17,954 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:17,963 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-28 12:41:17,989 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-28 12:41:17,989 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:17,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:18,028 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:18,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2018-11-28 12:41:18,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:41:18,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:41:18,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:41:18,029 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 19 states. [2018-11-28 12:41:18,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:18,055 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-11-28 12:41:18,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-28 12:41:18,056 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 65 [2018-11-28 12:41:18,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:18,056 INFO L225 Difference]: With dead ends: 69 [2018-11-28 12:41:18,056 INFO L226 Difference]: Without dead ends: 67 [2018-11-28 12:41:18,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=159, Invalid=221, Unknown=0, NotChecked=0, Total=380 [2018-11-28 12:41:18,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-28 12:41:18,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-11-28 12:41:18,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-28 12:41:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-11-28 12:41:18,059 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-11-28 12:41:18,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:18,059 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-11-28 12:41:18,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:41:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-11-28 12:41:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 12:41:18,059 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:18,059 INFO L402 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:18,060 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:18,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:18,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1050858896, now seen corresponding path program 11 times [2018-11-28 12:41:18,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:18,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:18,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:18,061 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:18,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:18,196 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:18,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:41:18,196 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:41:18,205 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-28 12:41:18,691 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2018-11-28 12:41:18,691 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:18,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:18,720 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:18,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2018-11-28 12:41:18,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-28 12:41:18,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-28 12:41:18,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-11-28 12:41:18,721 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 20 states. [2018-11-28 12:41:18,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:18,764 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-11-28 12:41:18,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 12:41:18,765 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2018-11-28 12:41:18,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:18,766 INFO L225 Difference]: With dead ends: 70 [2018-11-28 12:41:18,766 INFO L226 Difference]: Without dead ends: 68 [2018-11-28 12:41:18,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=243, Unknown=0, NotChecked=0, Total=420 [2018-11-28 12:41:18,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-28 12:41:18,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-28 12:41:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-28 12:41:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-11-28 12:41:18,768 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-11-28 12:41:18,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:18,769 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-11-28 12:41:18,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-28 12:41:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-11-28 12:41:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:41:18,769 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:18,769 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:18,770 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:18,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:18,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1778539457, now seen corresponding path program 12 times [2018-11-28 12:41:18,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:18,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:18,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:18,771 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:18,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:18,833 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:41:18,844 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2018-11-28 12:41:18,847 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 12:41:18,852 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 12:41:18,853 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 12:41:18,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:41:18 BoogieIcfgContainer [2018-11-28 12:41:18,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:41:18,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:41:18,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:41:18,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:41:18,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:58" (3/4) ... [2018-11-28 12:41:18,867 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:41:18,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:41:18,868 INFO L168 Benchmark]: Toolchain (without parser) took 21956.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 949.6 MB in the beginning and 926.5 MB in the end (delta: 23.1 MB). Peak memory consumption was 241.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:18,869 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:41:18,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:18,870 INFO L168 Benchmark]: Boogie Preprocessor took 62.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:18,870 INFO L168 Benchmark]: RCFGBuilder took 693.26 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: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:18,871 INFO L168 Benchmark]: TraceAbstraction took 20772.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 932.8 MB in the end (delta: 91.5 MB). Peak memory consumption was 160.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:18,871 INFO L168 Benchmark]: Witness Printer took 5.57 ms. Allocated memory is still 1.2 GB. Free memory was 932.8 MB in the beginning and 926.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:18,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 419.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 693.26 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: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20772.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 932.8 MB in the end (delta: 91.5 MB). Peak memory consumption was 160.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.57 ms. Allocated memory is still 1.2 GB. Free memory was 932.8 MB in the beginning and 926.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 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~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={25:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={25:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={25:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={25:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={25:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={25:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={22:0}, ldv_global_msg_list={25:0}, malloc(size)={22:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={25:0}, ldv_malloc(sizeof(*kobj))={22:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={22:0}, ldv_global_msg_list={25:0}, memset(kobj, 0, sizeof(*kobj))={22:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={22:12}, ldv_global_msg_list={25:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={22:12}, kref={22:12}, ldv_global_msg_list={25:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={25:0}, list={22:4}] [L1099] list->next = list VAL [ldv_global_msg_list={25:0}, list={22:4}, list={22:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={25:0}, list={22:4}, list={22:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1414] return kobj; VAL [\result={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={25:0}, ldv_kobject_create()={22:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={25:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 308 locations, 67 error locations. UNSAFE Result, 20.7s OverallTime, 26 OverallIterations, 16 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1254 SDtfs, 227 SDslu, 8226 SDs, 0 SdLazy, 2121 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1095 GetRequests, 799 SyntacticMatches, 4 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 25 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 15.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1989 NumberOfCodeBlocks, 1983 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 1882 ConstructedInterpolants, 20 QuantifiedInterpolants, 162782 SizeOfPredicates, 32 NumberOfNonLiveVariables, 4158 ConjunctsInSsa, 253 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 49/1396 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:41:20,385 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:41:20,386 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:41:20,394 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:41:20,394 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:41:20,395 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:41:20,396 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:41:20,397 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:41:20,398 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:41:20,399 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:41:20,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:41:20,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:41:20,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:41:20,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:41:20,402 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:41:20,402 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:41:20,403 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:41:20,405 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:41:20,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:41:20,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:41:20,408 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:41:20,409 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:41:20,410 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:41:20,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:41:20,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:41:20,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:41:20,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:41:20,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:41:20,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:41:20,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:41:20,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:41:20,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:41:20,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:41:20,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:41:20,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:41:20,417 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:41:20,417 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-28 12:41:20,429 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:41:20,429 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:41:20,430 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:41:20,430 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:41:20,430 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:41:20,431 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 12:41:20,431 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 12:41:20,432 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 12:41:20,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:41:20,433 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:41:20,433 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:41:20,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:41:20,433 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:41:20,433 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:41:20,433 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:41:20,434 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:41:20,434 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:41:20,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:41:20,434 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:41:20,434 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:41:20,434 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:41:20,434 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:41:20,434 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:41:20,434 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_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2018-11-28 12:41:20,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:41:20,465 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:41:20,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:41:20,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:41:20,469 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:41:20,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-11-28 12:41:20,507 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/3511d3ce0/f653f093d0014a098dbb2070771dc33a/FLAG9d16aeb27 [2018-11-28 12:41:20,962 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:41:20,962 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-11-28 12:41:20,973 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/3511d3ce0/f653f093d0014a098dbb2070771dc33a/FLAG9d16aeb27 [2018-11-28 12:41:20,982 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/data/3511d3ce0/f653f093d0014a098dbb2070771dc33a [2018-11-28 12:41:20,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:41:20,985 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 12:41:20,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:41:20,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:41:20,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:41:20,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:20" (1/1) ... [2018-11-28 12:41:20,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e2e544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:20, skipping insertion in model container [2018-11-28 12:41:20,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:20" (1/1) ... [2018-11-28 12:41:20,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:41:21,024 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:41:21,273 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:41:21,344 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:41:21,387 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:41:21,432 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:41:21,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21 WrapperNode [2018-11-28 12:41:21,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:41:21,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:41:21,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:41:21,433 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:41:21,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... [2018-11-28 12:41:21,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... [2018-11-28 12:41:21,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... [2018-11-28 12:41:21,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... [2018-11-28 12:41:21,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... [2018-11-28 12:41:21,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... [2018-11-28 12:41:21,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... [2018-11-28 12:41:21,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:41:21,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:41:21,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:41:21,486 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:41:21,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:41:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:41:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:41:21,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 12:41:21,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 12:41:21,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 12:41:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 12:41:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 12:41:21,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 12:41:21,529 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 12:41:21,530 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 12:41:21,531 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 12:41:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 12:41:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 12:41:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 12:41:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 12:41:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 12:41:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 12:41:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 12:41:21,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 12:41:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 12:41:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 12:41:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 12:41:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 12:41:21,898 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 12:41:22,186 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 12:41:22,382 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:41:22,382 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:41:22,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:22 BoogieIcfgContainer [2018-11-28 12:41:22,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:41:22,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:41:22,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:41:22,386 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:41:22,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:41:20" (1/3) ... [2018-11-28 12:41:22,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec7962e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:41:22, skipping insertion in model container [2018-11-28 12:41:22,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:21" (2/3) ... [2018-11-28 12:41:22,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec7962e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:41:22, skipping insertion in model container [2018-11-28 12:41:22,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:22" (3/3) ... [2018-11-28 12:41:22,388 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-11-28 12:41:22,395 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:41:22,400 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-11-28 12:41:22,410 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-11-28 12:41:22,429 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:41:22,430 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:41:22,430 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 12:41:22,430 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:41:22,430 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:41:22,430 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:41:22,430 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:41:22,430 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:41:22,430 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:41:22,441 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-11-28 12:41:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 12:41:22,448 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:22,448 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:22,450 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:22,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:22,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1338616665, now seen corresponding path program 1 times [2018-11-28 12:41:22,458 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:22,458 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:22,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:22,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:22,592 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 [2018-11-28 12:41:22,593 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:41:22,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:41:22,605 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 12:41:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:22,646 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:22,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:22,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:41:22,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:41:22,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:41:22,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:41:22,672 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2018-11-28 12:41:22,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:22,865 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-11-28 12:41:22,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:41:22,867 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-28 12:41:22,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:22,877 INFO L225 Difference]: With dead ends: 74 [2018-11-28 12:41:22,877 INFO L226 Difference]: Without dead ends: 71 [2018-11-28 12:41:22,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:41:22,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-11-28 12:41:22,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-11-28 12:41:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 12:41:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-11-28 12:41:22,910 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2018-11-28 12:41:22,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:22,911 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-11-28 12:41:22,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:41:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-11-28 12:41:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 12:41:22,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:22,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:22,913 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:22,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:22,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1338616666, now seen corresponding path program 1 times [2018-11-28 12:41:22,913 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:22,913 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:22,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:22,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:22,999 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 [2018-11-28 12:41:22,999 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:41:23,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:41:23,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-28 12:41:23,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:23,047 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:23,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:23,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:41:23,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:41:23,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:41:23,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:41:23,051 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 6 states. [2018-11-28 12:41:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:23,215 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-11-28 12:41:23,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:41:23,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-28 12:41:23,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:23,216 INFO L225 Difference]: With dead ends: 70 [2018-11-28 12:41:23,216 INFO L226 Difference]: Without dead ends: 70 [2018-11-28 12:41:23,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:41:23,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-28 12:41:23,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2018-11-28 12:41:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-28 12:41:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-11-28 12:41:23,225 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2018-11-28 12:41:23,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:23,225 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-11-28 12:41:23,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:41:23,225 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-11-28 12:41:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 12:41:23,226 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:23,226 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:23,226 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:23,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:23,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1367245816, now seen corresponding path program 1 times [2018-11-28 12:41:23,227 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:23,227 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:23,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:23,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:23,320 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:23,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:23,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:41:23,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:41:23,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:41:23,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:41:23,323 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2018-11-28 12:41:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:23,341 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-11-28 12:41:23,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:41:23,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-28 12:41:23,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:23,343 INFO L225 Difference]: With dead ends: 64 [2018-11-28 12:41:23,343 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 12:41:23,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:41:23,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 12:41:23,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-11-28 12:41:23,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 12:41:23,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-11-28 12:41:23,349 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2018-11-28 12:41:23,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:23,350 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-11-28 12:41:23,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:41:23,352 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-11-28 12:41:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 12:41:23,353 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:23,353 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] [2018-11-28 12:41:23,353 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:23,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:23,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1948697336, now seen corresponding path program 1 times [2018-11-28 12:41:23,354 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:23,354 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:23,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:23,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:23,446 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:23,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:23,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:41:23,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:41:23,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:41:23,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:41:23,449 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2018-11-28 12:41:23,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:23,481 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-11-28 12:41:23,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:41:23,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-28 12:41:23,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:23,484 INFO L225 Difference]: With dead ends: 64 [2018-11-28 12:41:23,484 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 12:41:23,484 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 [2018-11-28 12:41:23,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 12:41:23,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-11-28 12:41:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 12:41:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-11-28 12:41:23,489 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2018-11-28 12:41:23,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:23,489 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-11-28 12:41:23,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:41:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-11-28 12:41:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 12:41:23,490 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:23,490 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] [2018-11-28 12:41:23,490 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:23,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:23,491 INFO L82 PathProgramCache]: Analyzing trace with hash 151745977, now seen corresponding path program 1 times [2018-11-28 12:41:23,491 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:23,491 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:23,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:23,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:23,575 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:23,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:23,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:41:23,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:41:23,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:41:23,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:41:23,582 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2018-11-28 12:41:23,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:23,653 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-11-28 12:41:23,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:41:23,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-28 12:41:23,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:23,656 INFO L225 Difference]: With dead ends: 68 [2018-11-28 12:41:23,656 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 12:41:23,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:41:23,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 12:41:23,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 12:41:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 12:41:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-11-28 12:41:23,660 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2018-11-28 12:41:23,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:23,661 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-11-28 12:41:23,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:41:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-28 12:41:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 12:41:23,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:23,661 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:23,662 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:23,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:23,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1221069421, now seen corresponding path program 1 times [2018-11-28 12:41:23,662 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:23,662 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:23,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:23,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:23,755 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:23,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:23,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:41:23,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:41:23,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:41:23,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:41:23,758 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 4 states. [2018-11-28 12:41:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:23,784 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-28 12:41:23,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:41:23,788 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-11-28 12:41:23,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:23,789 INFO L225 Difference]: With dead ends: 61 [2018-11-28 12:41:23,789 INFO L226 Difference]: Without dead ends: 59 [2018-11-28 12:41:23,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:41:23,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-28 12:41:23,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-11-28 12:41:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-11-28 12:41:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-11-28 12:41:23,793 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 32 [2018-11-28 12:41:23,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:23,793 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-11-28 12:41:23,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:41:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-11-28 12:41:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 12:41:23,794 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:23,794 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:23,795 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:23,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:23,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1332713730, now seen corresponding path program 1 times [2018-11-28 12:41:23,795 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:23,795 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:23,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:23,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:23,899 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-28 12:41:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:23,957 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:23,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-11-28 12:41:23,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:41:23,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:41:23,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:41:23,958 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 8 states. [2018-11-28 12:41:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:24,066 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2018-11-28 12:41:24,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:41:24,072 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-11-28 12:41:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:24,073 INFO L225 Difference]: With dead ends: 66 [2018-11-28 12:41:24,073 INFO L226 Difference]: Without dead ends: 62 [2018-11-28 12:41:24,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:41:24,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-28 12:41:24,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-28 12:41:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-28 12:41:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-11-28 12:41:24,077 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 33 [2018-11-28 12:41:24,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:24,078 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-11-28 12:41:24,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:41:24,078 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-11-28 12:41:24,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 12:41:24,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:24,079 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:24,079 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:24,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:24,080 INFO L82 PathProgramCache]: Analyzing trace with hash -641935021, now seen corresponding path program 2 times [2018-11-28 12:41:24,080 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:24,080 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:24,097 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-28 12:41:24,174 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-28 12:41:24,175 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:24,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:24,180 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 [2018-11-28 12:41:24,181 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:41:24,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:41:24,184 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 12:41:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:41:24,303 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:24,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:24,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 12:41:24,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:41:24,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:41:24,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:41:24,311 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 13 states. [2018-11-28 12:41:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:24,815 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-28 12:41:24,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:41:24,815 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-11-28 12:41:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:24,816 INFO L225 Difference]: With dead ends: 61 [2018-11-28 12:41:24,816 INFO L226 Difference]: Without dead ends: 61 [2018-11-28 12:41:24,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:41:24,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-28 12:41:24,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-11-28 12:41:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-11-28 12:41:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2018-11-28 12:41:24,820 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 36 [2018-11-28 12:41:24,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:24,820 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2018-11-28 12:41:24,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:41:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-11-28 12:41:24,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 12:41:24,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:24,821 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:24,821 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:24,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:24,821 INFO L82 PathProgramCache]: Analyzing trace with hash -641935020, now seen corresponding path program 1 times [2018-11-28 12:41:24,822 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:24,822 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:24,836 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:24,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:24,937 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-28 12:41:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:25,065 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:25,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-28 12:41:25,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:41:25,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:41:25,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:41:25,066 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 14 states. [2018-11-28 12:41:25,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:25,464 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-11-28 12:41:25,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:41:25,465 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 36 [2018-11-28 12:41:25,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:25,465 INFO L225 Difference]: With dead ends: 71 [2018-11-28 12:41:25,465 INFO L226 Difference]: Without dead ends: 67 [2018-11-28 12:41:25,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:41:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-28 12:41:25,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-11-28 12:41:25,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-11-28 12:41:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2018-11-28 12:41:25,469 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 36 [2018-11-28 12:41:25,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:25,469 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2018-11-28 12:41:25,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:41:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-11-28 12:41:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-28 12:41:25,470 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:25,471 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:25,471 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:25,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:25,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1438804724, now seen corresponding path program 2 times [2018-11-28 12:41:25,471 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:25,472 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:25,486 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-28 12:41:25,541 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-28 12:41:25,542 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:25,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:25,551 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 [2018-11-28 12:41:25,551 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:41:25,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:41:25,557 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-28 12:41:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-28 12:41:25,697 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:25,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:25,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 12:41:25,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:41:25,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:41:25,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:41:25,700 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 13 states. [2018-11-28 12:41:26,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:26,100 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-11-28 12:41:26,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:41:26,101 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-11-28 12:41:26,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:26,102 INFO L225 Difference]: With dead ends: 66 [2018-11-28 12:41:26,102 INFO L226 Difference]: Without dead ends: 66 [2018-11-28 12:41:26,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:41:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-28 12:41:26,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-28 12:41:26,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-28 12:41:26,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2018-11-28 12:41:26,105 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 42 [2018-11-28 12:41:26,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:26,106 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2018-11-28 12:41:26,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:41:26,106 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2018-11-28 12:41:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:41:26,106 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:26,107 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:26,107 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:26,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:26,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1958675636, now seen corresponding path program 1 times [2018-11-28 12:41:26,107 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:26,107 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:26,124 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:26,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:26,322 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:26,322 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-28 12:41:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:41:26,789 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:41:26,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-11-28 12:41:26,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-11-28 12:41:26,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-11-28 12:41:26,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2018-11-28 12:41:26,790 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 26 states. [2018-11-28 12:41:27,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:27,696 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2018-11-28 12:41:27,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 12:41:27,699 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 47 [2018-11-28 12:41:27,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:27,700 INFO L225 Difference]: With dead ends: 76 [2018-11-28 12:41:27,700 INFO L226 Difference]: Without dead ends: 72 [2018-11-28 12:41:27,700 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=278, Invalid=652, Unknown=0, NotChecked=0, Total=930 [2018-11-28 12:41:27,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-11-28 12:41:27,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-11-28 12:41:27,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-11-28 12:41:27,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-11-28 12:41:27,704 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 47 [2018-11-28 12:41:27,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:27,704 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-11-28 12:41:27,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-11-28 12:41:27,704 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-11-28 12:41:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:41:27,705 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:27,705 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:27,706 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:27,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:27,706 INFO L82 PathProgramCache]: Analyzing trace with hash 558640916, now seen corresponding path program 2 times [2018-11-28 12:41:27,707 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:27,707 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/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 [2018-11-28 12:41:27,729 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-28 12:41:27,793 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-28 12:41:27,793 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:41:27,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:27,799 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 [2018-11-28 12:41:27,799 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:41:27,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:41:27,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 12:41:27,927 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-28 12:41:27,927 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:27,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:27,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 12:41:27,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:41:27,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:41:27,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:41:27,930 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 13 states. [2018-11-28 12:41:28,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:28,437 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2018-11-28 12:41:28,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:41:28,437 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-11-28 12:41:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:28,438 INFO L225 Difference]: With dead ends: 70 [2018-11-28 12:41:28,438 INFO L226 Difference]: Without dead ends: 70 [2018-11-28 12:41:28,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:41:28,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-28 12:41:28,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-11-28 12:41:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-11-28 12:41:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2018-11-28 12:41:28,440 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 53 [2018-11-28 12:41:28,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:28,441 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2018-11-28 12:41:28,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:41:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-11-28 12:41:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:41:28,441 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:28,442 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:28,442 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:28,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:28,442 INFO L82 PathProgramCache]: Analyzing trace with hash 558640917, now seen corresponding path program 1 times [2018-11-28 12:41:28,443 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:28,443 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:41:28,481 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:41:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:28,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:28,663 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 [2018-11-28 12:41:28,663 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:41:28,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:41:28,669 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-28 12:41:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-28 12:41:28,823 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:28,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:28,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-28 12:41:28,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:41:28,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:41:28,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:41:28,826 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 13 states. [2018-11-28 12:41:29,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:29,173 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-11-28 12:41:29,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:41:29,174 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-11-28 12:41:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:29,174 INFO L225 Difference]: With dead ends: 68 [2018-11-28 12:41:29,174 INFO L226 Difference]: Without dead ends: 68 [2018-11-28 12:41:29,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-11-28 12:41:29,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-28 12:41:29,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-28 12:41:29,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-28 12:41:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2018-11-28 12:41:29,177 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 53 [2018-11-28 12:41:29,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:29,177 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2018-11-28 12:41:29,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:41:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-11-28 12:41:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:41:29,178 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:29,178 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:29,179 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:29,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:29,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1168406799, now seen corresponding path program 1 times [2018-11-28 12:41:29,179 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:29,179 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:41:29,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:29,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-28 12:41:29,285 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:29,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:29,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:41:29,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:41:29,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:41:29,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:41:29,288 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 7 states. [2018-11-28 12:41:29,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:29,328 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2018-11-28 12:41:29,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:41:29,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 12:41:29,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:29,329 INFO L225 Difference]: With dead ends: 70 [2018-11-28 12:41:29,329 INFO L226 Difference]: Without dead ends: 68 [2018-11-28 12:41:29,329 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:41:29,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-28 12:41:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-28 12:41:29,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-28 12:41:29,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2018-11-28 12:41:29,332 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 51 [2018-11-28 12:41:29,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:29,332 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2018-11-28 12:41:29,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:41:29,332 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2018-11-28 12:41:29,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 12:41:29,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:29,333 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:29,333 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:29,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:29,334 INFO L82 PathProgramCache]: Analyzing trace with hash -794619646, now seen corresponding path program 1 times [2018-11-28 12:41:29,334 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:29,334 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:41:29,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:41:29,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:41:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-28 12:41:29,473 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 12:41:29,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:41:29,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:41:29,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:41:29,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:41:29,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:41:29,476 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 9 states. [2018-11-28 12:41:29,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:41:29,552 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-11-28 12:41:29,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:41:29,552 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2018-11-28 12:41:29,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:41:29,553 INFO L225 Difference]: With dead ends: 72 [2018-11-28 12:41:29,553 INFO L226 Difference]: Without dead ends: 68 [2018-11-28 12:41:29,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:41:29,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-28 12:41:29,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-28 12:41:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-28 12:41:29,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-11-28 12:41:29,555 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 56 [2018-11-28 12:41:29,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:41:29,556 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-11-28 12:41:29,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:41:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-11-28 12:41:29,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:41:29,557 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:41:29,557 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:41:29,557 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-11-28 12:41:29,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:29,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1743893123, now seen corresponding path program 1 times [2018-11-28 12:41:29,558 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:41:29,558 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4971439d-2941-427b-93f0-5b71b825399a/bin-2019/uautomizer/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:41:29,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:36,677 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:41:36,689 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2018-11-28 12:41:36,692 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-11-28 12:41:36,696 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# [2018-11-28 12:41:36,697 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 12:41:36,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:41:36 BoogieIcfgContainer [2018-11-28 12:41:36,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:41:36,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:41:36,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:41:36,706 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:41:36,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:22" (3/4) ... [2018-11-28 12:41:36,711 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:41:36,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:41:36,712 INFO L168 Benchmark]: Toolchain (without parser) took 15727.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 176.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:36,713 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-28 12:41:36,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:36,715 INFO L168 Benchmark]: Boogie Preprocessor took 53.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:36,716 INFO L168 Benchmark]: RCFGBuilder took 896.85 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: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:36,716 INFO L168 Benchmark]: TraceAbstraction took 14322.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.9 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:41:36,716 INFO L168 Benchmark]: Witness Printer took 5.46 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:41:36,718 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 446.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 896.85 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: 103.8 MB). Peak memory consumption was 103.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14322.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.9 MB). Peak memory consumption was 96.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.46 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-485990135:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={-485990135:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-485990135:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-485990135:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-485990135:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={-485990135:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={-485990135:0}, malloc(size)={1:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={-485990135:0}, ldv_malloc(sizeof(*kobj))={1:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}, memset(kobj, 0, sizeof(*kobj))={1:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-485990135:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-485990135:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={-485990135:0}, list={1:4}] [L1099] list->next = list VAL [ldv_global_msg_list={-485990135:0}, list={1:4}, list={1:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={-485990135:0}, list={1:4}, list={1:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1414] return kobj; VAL [\result={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-485990135:0}, ldv_kobject_create()={1:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={-485990135:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 307 locations, 67 error locations. UNSAFE Result, 14.2s OverallTime, 16 OverallIterations, 16 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 755 SDtfs, 329 SDslu, 3194 SDs, 0 SdLazy, 1892 SolverSat, 157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 510 SyntacticMatches, 11 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 601 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 632 ConstructedInterpolants, 46 QuantifiedInterpolants, 78496 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2167 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 609/741 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...