./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 00:51:46,683 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 00:51:46,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 00:51:46,690 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 00:51:46,690 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 00:51:46,691 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 00:51:46,692 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 00:51:46,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 00:51:46,694 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 00:51:46,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 00:51:46,694 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 00:51:46,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 00:51:46,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 00:51:46,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 00:51:46,696 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 00:51:46,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 00:51:46,697 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 00:51:46,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 00:51:46,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 00:51:46,700 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 00:51:46,701 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 00:51:46,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 00:51:46,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 00:51:46,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 00:51:46,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 00:51:46,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 00:51:46,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 00:51:46,704 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 00:51:46,704 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 00:51:46,705 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 00:51:46,705 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 00:51:46,706 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 00:51:46,706 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 00:51:46,706 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 00:51:46,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 00:51:46,707 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 00:51:46,707 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 00:51:46,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 00:51:46,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 00:51:46,715 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 00:51:46,715 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 00:51:46,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 00:51:46,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 00:51:46,716 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 00:51:46,716 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 00:51:46,717 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 00:51:46,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 00:51:46,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 00:51:46,718 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 00:51:46,718 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 00:51:46,718 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 00:51:46,718 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_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2018-12-02 00:51:46,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 00:51:46,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 00:51:46,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 00:51:46,745 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 00:51:46,745 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 00:51:46,745 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-02 00:51:46,780 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/973d37530/9e1f1b8f85904398aa17b101b5a6f84a/FLAG984b57d01 [2018-12-02 00:51:47,249 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 00:51:47,250 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-02 00:51:47,257 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/973d37530/9e1f1b8f85904398aa17b101b5a6f84a/FLAG984b57d01 [2018-12-02 00:51:47,266 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/973d37530/9e1f1b8f85904398aa17b101b5a6f84a [2018-12-02 00:51:47,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 00:51:47,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 00:51:47,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 00:51:47,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 00:51:47,271 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 00:51:47,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142c46d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47, skipping insertion in model container [2018-12-02 00:51:47,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 00:51:47,301 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 00:51:47,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:51:47,523 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 00:51:47,557 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:51:47,591 INFO L195 MainTranslator]: Completed translation [2018-12-02 00:51:47,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47 WrapperNode [2018-12-02 00:51:47,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 00:51:47,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 00:51:47,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 00:51:47,592 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 00:51:47,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... [2018-12-02 00:51:47,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 00:51:47,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 00:51:47,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 00:51:47,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 00:51:47,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 00:51:47,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 00:51:47,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-02 00:51:47,672 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-02 00:51:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-12-02 00:51:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-12-02 00:51:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 00:51:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 00:51:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 00:51:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 00:51:47,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 00:51:47,673 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 00:51:47,674 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 00:51:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 00:51:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 00:51:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 00:51:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 00:51:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 00:51:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 00:51:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 00:51:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 00:51:47,913 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 00:51:48,040 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 00:51:48,179 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 00:51:48,180 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 00:51:48,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:48 BoogieIcfgContainer [2018-12-02 00:51:48,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 00:51:48,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 00:51:48,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 00:51:48,183 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 00:51:48,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:51:47" (1/3) ... [2018-12-02 00:51:48,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b18da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:51:48, skipping insertion in model container [2018-12-02 00:51:48,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:47" (2/3) ... [2018-12-02 00:51:48,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b18da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:51:48, skipping insertion in model container [2018-12-02 00:51:48,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:48" (3/3) ... [2018-12-02 00:51:48,185 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-02 00:51:48,191 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 00:51:48,196 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-12-02 00:51:48,206 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-12-02 00:51:48,221 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 00:51:48,221 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 00:51:48,221 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 00:51:48,221 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 00:51:48,221 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 00:51:48,222 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 00:51:48,222 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 00:51:48,222 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 00:51:48,222 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 00:51:48,233 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-02 00:51:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 00:51:48,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:48,240 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:48,241 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:48,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:48,245 INFO L82 PathProgramCache]: Analyzing trace with hash -798772138, now seen corresponding path program 1 times [2018-12-02 00:51:48,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:48,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:48,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:48,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:48,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:48,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:51:48,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:51:48,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:51:48,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,385 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 5 states. [2018-12-02 00:51:48,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:48,421 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-12-02 00:51:48,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:48,422 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-02 00:51:48,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:48,429 INFO L225 Difference]: With dead ends: 72 [2018-12-02 00:51:48,429 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 00:51:48,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 00:51:48,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2018-12-02 00:51:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-02 00:51:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-12-02 00:51:48,458 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 20 [2018-12-02 00:51:48,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:48,458 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-12-02 00:51:48,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:51:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-12-02 00:51:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 00:51:48,459 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:48,459 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:48,459 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:48,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:48,460 INFO L82 PathProgramCache]: Analyzing trace with hash -995285643, now seen corresponding path program 1 times [2018-12-02 00:51:48,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:48,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:48,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:48,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:48,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:48,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 00:51:48,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 00:51:48,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 00:51:48,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 00:51:48,510 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-12-02 00:51:48,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:48,593 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2018-12-02 00:51:48,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:48,593 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 00:51:48,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:48,595 INFO L225 Difference]: With dead ends: 88 [2018-12-02 00:51:48,595 INFO L226 Difference]: Without dead ends: 88 [2018-12-02 00:51:48,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-12-02 00:51:48,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 79. [2018-12-02 00:51:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-02 00:51:48,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 91 transitions. [2018-12-02 00:51:48,603 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 91 transitions. Word has length 20 [2018-12-02 00:51:48,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:48,603 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 91 transitions. [2018-12-02 00:51:48,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 00:51:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2018-12-02 00:51:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 00:51:48,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:48,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:48,605 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:48,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:48,605 INFO L82 PathProgramCache]: Analyzing trace with hash -995285644, now seen corresponding path program 1 times [2018-12-02 00:51:48,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:48,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:48,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:48,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:48,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 00:51:48,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 00:51:48,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 00:51:48,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 00:51:48,652 INFO L87 Difference]: Start difference. First operand 79 states and 91 transitions. Second operand 4 states. [2018-12-02 00:51:48,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:48,718 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2018-12-02 00:51:48,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:48,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 00:51:48,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:48,719 INFO L225 Difference]: With dead ends: 105 [2018-12-02 00:51:48,719 INFO L226 Difference]: Without dead ends: 92 [2018-12-02 00:51:48,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-12-02 00:51:48,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 87. [2018-12-02 00:51:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-02 00:51:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-12-02 00:51:48,724 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 20 [2018-12-02 00:51:48,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:48,724 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-12-02 00:51:48,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 00:51:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-12-02 00:51:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 00:51:48,725 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:48,725 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:48,725 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:48,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:48,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1018822169, now seen corresponding path program 1 times [2018-12-02 00:51:48,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:48,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:48,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:48,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:48,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:48,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 00:51:48,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:51:48,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:51:48,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,767 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 5 states. [2018-12-02 00:51:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:48,778 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2018-12-02 00:51:48,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:48,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-02 00:51:48,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:48,779 INFO L225 Difference]: With dead ends: 86 [2018-12-02 00:51:48,779 INFO L226 Difference]: Without dead ends: 86 [2018-12-02 00:51:48,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-02 00:51:48,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-02 00:51:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-02 00:51:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-12-02 00:51:48,783 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 22 [2018-12-02 00:51:48,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:48,783 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-12-02 00:51:48,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:51:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-12-02 00:51:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 00:51:48,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:48,784 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:48,784 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:48,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:48,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1518716587, now seen corresponding path program 1 times [2018-12-02 00:51:48,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:48,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:48,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:48,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:48,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:48,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:48,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 00:51:48,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:51:48,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:51:48,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,812 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 5 states. [2018-12-02 00:51:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:48,844 INFO L93 Difference]: Finished difference Result 88 states and 96 transitions. [2018-12-02 00:51:48,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:48,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-02 00:51:48,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:48,845 INFO L225 Difference]: With dead ends: 88 [2018-12-02 00:51:48,845 INFO L226 Difference]: Without dead ends: 88 [2018-12-02 00:51:48,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-12-02 00:51:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2018-12-02 00:51:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-02 00:51:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2018-12-02 00:51:48,851 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 23 [2018-12-02 00:51:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:48,852 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2018-12-02 00:51:48,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:51:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2018-12-02 00:51:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 00:51:48,853 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:48,853 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:48,853 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:48,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:48,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1225313580, now seen corresponding path program 1 times [2018-12-02 00:51:48,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:48,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:48,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:48,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:48,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:48,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:51:48,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:51:48,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:51:48,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,901 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand 5 states. [2018-12-02 00:51:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:48,910 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2018-12-02 00:51:48,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:48,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-02 00:51:48,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:48,911 INFO L225 Difference]: With dead ends: 61 [2018-12-02 00:51:48,911 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 00:51:48,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:48,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 00:51:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 00:51:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 00:51:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2018-12-02 00:51:48,915 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 23 [2018-12-02 00:51:48,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:48,915 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2018-12-02 00:51:48,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:51:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2018-12-02 00:51:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 00:51:48,916 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:48,916 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:48,917 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:48,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:48,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1254012497, now seen corresponding path program 1 times [2018-12-02 00:51:48,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:48,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:48,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:48,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:49,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:49,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 00:51:49,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 00:51:49,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 00:51:49,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 00:51:49,009 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 7 states. [2018-12-02 00:51:49,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:49,143 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-02 00:51:49,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 00:51:49,143 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 00:51:49,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:49,144 INFO L225 Difference]: With dead ends: 61 [2018-12-02 00:51:49,144 INFO L226 Difference]: Without dead ends: 61 [2018-12-02 00:51:49,144 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-02 00:51:49,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-02 00:51:49,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2018-12-02 00:51:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 00:51:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-12-02 00:51:49,147 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 28 [2018-12-02 00:51:49,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:49,147 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-12-02 00:51:49,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 00:51:49,147 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-12-02 00:51:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 00:51:49,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:49,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:49,148 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:49,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:49,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1254012496, now seen corresponding path program 1 times [2018-12-02 00:51:49,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:49,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:49,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:49,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:49,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:49,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 00:51:49,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 00:51:49,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 00:51:49,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 00:51:49,220 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 8 states. [2018-12-02 00:51:49,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:49,340 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2018-12-02 00:51:49,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 00:51:49,340 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-02 00:51:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:49,341 INFO L225 Difference]: With dead ends: 54 [2018-12-02 00:51:49,341 INFO L226 Difference]: Without dead ends: 54 [2018-12-02 00:51:49,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-12-02 00:51:49,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-02 00:51:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-02 00:51:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-02 00:51:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2018-12-02 00:51:49,344 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 28 [2018-12-02 00:51:49,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:49,345 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2018-12-02 00:51:49,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 00:51:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-12-02 00:51:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 00:51:49,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:49,346 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:49,346 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:49,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:49,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1946615217, now seen corresponding path program 1 times [2018-12-02 00:51:49,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:49,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:49,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:49,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:49,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:49,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 00:51:49,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 00:51:49,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 00:51:49,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 00:51:49,439 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand 7 states. [2018-12-02 00:51:49,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:49,576 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-12-02 00:51:49,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 00:51:49,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 00:51:49,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:49,577 INFO L225 Difference]: With dead ends: 56 [2018-12-02 00:51:49,577 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 00:51:49,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-02 00:51:49,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 00:51:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 00:51:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 00:51:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-12-02 00:51:49,579 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-12-02 00:51:49,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:49,579 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-12-02 00:51:49,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 00:51:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-12-02 00:51:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 00:51:49,579 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:49,579 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:49,580 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:49,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:49,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1666782604, now seen corresponding path program 1 times [2018-12-02 00:51:49,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:49,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:49,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:49,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:49,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:49,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:51:49,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:51:49,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:51:49,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:49,599 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2018-12-02 00:51:49,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:49,607 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-02 00:51:49,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:49,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-12-02 00:51:49,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:49,608 INFO L225 Difference]: With dead ends: 42 [2018-12-02 00:51:49,608 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 00:51:49,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:49,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 00:51:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 00:51:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 00:51:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-02 00:51:49,610 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2018-12-02 00:51:49,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:49,610 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-02 00:51:49,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:51:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-02 00:51:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 00:51:49,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:49,610 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:49,611 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:49,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:49,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1053361321, now seen corresponding path program 1 times [2018-12-02 00:51:49,611 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 00:51:49,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 00:51:49,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:49,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 00:51:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:51:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:51:49,640 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 00:51:49,648 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 00:51:49,651 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 00:51:49,651 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 00:51:49,652 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 00:51:49,652 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 00:51:49,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:51:49 BoogieIcfgContainer [2018-12-02 00:51:49,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 00:51:49,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 00:51:49,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 00:51:49,659 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 00:51:49,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:48" (3/4) ... [2018-12-02 00:51:49,661 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 00:51:49,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 00:51:49,662 INFO L168 Benchmark]: Toolchain (without parser) took 2394.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-12-02 00:51:49,663 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:51:49,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -86.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-02 00:51:49,663 INFO L168 Benchmark]: Boogie Preprocessor took 45.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:51:49,664 INFO L168 Benchmark]: RCFGBuilder took 542.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 928.6 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2018-12-02 00:51:49,664 INFO L168 Benchmark]: TraceAbstraction took 1477.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 106.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:51:49,664 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:51:49,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 73.4 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -86.7 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 542.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 928.6 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1477.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 106.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={13:0}, ldv_global_msg_list={16:0}] [L1477] CALL entry_point() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}] [L1443] int ret = - -3; VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={13:0}, ldv_global_msg_list={16:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, a6={13:0}, ldv_global_msg_list={16:0}, malloc(size)={12:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, ldv_malloc(sizeof(int))={12:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={13:0}, a={13:0}, a6={13:0}, f6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1450] CALL, EXPR g6() VAL [a6={13:0}, ldv_global_msg_list={16:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={13:0}, a={13:0}, a6={13:0}, g6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1453] a->p = p VAL [a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1454] return 0; VAL [\result=0, a={13:0}, a={13:0}, a6={13:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={13:0}, ldv_global_msg_list={16:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1473] a6.p = 0 VAL [a6={13:0}, ldv_global_msg_list={16:0}, ret=0] [L1477] RET entry_point() VAL [a6={13:0}, ldv_global_msg_list={16:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 73 error locations. UNSAFE Result, 1.4s OverallTime, 11 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 364 SDslu, 941 SDs, 0 SdLazy, 518 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 32 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 26229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 00:51:51,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 00:51:51,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 00:51:51,058 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 00:51:51,058 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 00:51:51,058 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 00:51:51,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 00:51:51,060 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 00:51:51,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 00:51:51,061 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 00:51:51,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 00:51:51,061 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 00:51:51,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 00:51:51,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 00:51:51,063 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 00:51:51,063 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 00:51:51,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 00:51:51,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 00:51:51,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 00:51:51,066 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 00:51:51,067 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 00:51:51,067 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 00:51:51,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 00:51:51,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 00:51:51,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 00:51:51,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 00:51:51,069 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 00:51:51,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 00:51:51,070 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 00:51:51,071 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 00:51:51,071 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 00:51:51,071 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 00:51:51,071 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 00:51:51,071 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 00:51:51,072 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 00:51:51,072 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 00:51:51,072 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-02 00:51:51,079 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 00:51:51,080 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 00:51:51,080 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 00:51:51,080 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 00:51:51,080 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 00:51:51,080 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 00:51:51,081 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 00:51:51,081 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 00:51:51,082 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 00:51:51,082 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 00:51:51,082 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 00:51:51,083 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 00:51:51,083 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_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db24912fd6b7f93a8f38fa3f07abfebcff2c46e9 [2018-12-02 00:51:51,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 00:51:51,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 00:51:51,110 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 00:51:51,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 00:51:51,111 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 00:51:51,112 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-02 00:51:51,149 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/fd53dcce0/5334835f5e1542dd9d9351b9e7a37b38/FLAG3b5a7f555 [2018-12-02 00:51:51,499 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 00:51:51,500 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/sv-benchmarks/c/ldv-memsafety/memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-02 00:51:51,508 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/fd53dcce0/5334835f5e1542dd9d9351b9e7a37b38/FLAG3b5a7f555 [2018-12-02 00:51:51,516 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/data/fd53dcce0/5334835f5e1542dd9d9351b9e7a37b38 [2018-12-02 00:51:51,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 00:51:51,519 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 00:51:51,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 00:51:51,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 00:51:51,522 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 00:51:51,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51, skipping insertion in model container [2018-12-02 00:51:51,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 00:51:51,552 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 00:51:51,743 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:51:51,787 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 00:51:51,820 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:51:51,854 INFO L195 MainTranslator]: Completed translation [2018-12-02 00:51:51,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51 WrapperNode [2018-12-02 00:51:51,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 00:51:51,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 00:51:51,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 00:51:51,855 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 00:51:51,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... [2018-12-02 00:51:51,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 00:51:51,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 00:51:51,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 00:51:51,901 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 00:51:51,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 00:51:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 00:51:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 00:51:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 00:51:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 00:51:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 00:51:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 00:51:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 00:51:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 00:51:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 00:51:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 00:51:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 00:51:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 00:51:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 00:51:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 00:51:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 00:51:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 00:51:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 00:51:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 00:51:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-02 00:51:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-02 00:51:52,199 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 00:51:52,467 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 00:51:52,715 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 00:51:52,715 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 00:51:52,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:52 BoogieIcfgContainer [2018-12-02 00:51:52,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 00:51:52,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 00:51:52,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 00:51:52,719 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 00:51:52,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:51:51" (1/3) ... [2018-12-02 00:51:52,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fad7306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:51:52, skipping insertion in model container [2018-12-02 00:51:52,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:51:51" (2/3) ... [2018-12-02 00:51:52,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fad7306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:51:52, skipping insertion in model container [2018-12-02 00:51:52,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:52" (3/3) ... [2018-12-02 00:51:52,722 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_3_false-valid-memtrack_true-termination.i [2018-12-02 00:51:52,730 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 00:51:52,736 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 73 error locations. [2018-12-02 00:51:52,746 INFO L257 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2018-12-02 00:51:52,760 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 00:51:52,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 00:51:52,760 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 00:51:52,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 00:51:52,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 00:51:52,761 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 00:51:52,761 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 00:51:52,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 00:51:52,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 00:51:52,770 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-02 00:51:52,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 00:51:52,776 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:52,776 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:52,778 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:52,781 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:52,781 INFO L82 PathProgramCache]: Analyzing trace with hash -435326506, now seen corresponding path program 1 times [2018-12-02 00:51:52,784 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:52,784 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:51:52,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:52,850 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:51:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:52,890 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:51:52,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:52,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:51:52,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:51:52,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:51:52,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:52,910 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 5 states. [2018-12-02 00:51:52,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:52,981 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2018-12-02 00:51:52,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:52,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-02 00:51:52,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:52,991 INFO L225 Difference]: With dead ends: 72 [2018-12-02 00:51:52,991 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 00:51:52,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 00:51:53,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2018-12-02 00:51:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-02 00:51:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-12-02 00:51:53,021 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 20 [2018-12-02 00:51:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:53,021 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-12-02 00:51:53,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:51:53,021 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-12-02 00:51:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 00:51:53,022 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:53,022 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:53,023 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:53,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:53,023 INFO L82 PathProgramCache]: Analyzing trace with hash -631840011, now seen corresponding path program 1 times [2018-12-02 00:51:53,023 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:53,024 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:51:53,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:53,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:51:53,102 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:51:53,109 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:53,120 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 00:51:53,124 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:53,128 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:53,135 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 00:51:53,136 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 00:51:53,162 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 00:51:53,162 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:53,184 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:51:53,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:51:53,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-02 00:51:53,229 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-02 00:51:53,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 00:51:53,250 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:53,252 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 00:51:53,252 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-02 00:51:53,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:53,259 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:51:53,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:53,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 00:51:53,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 00:51:53,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 00:51:53,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 00:51:53,263 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 4 states. [2018-12-02 00:51:53,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:53,369 INFO L93 Difference]: Finished difference Result 88 states and 98 transitions. [2018-12-02 00:51:53,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:53,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 00:51:53,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:53,370 INFO L225 Difference]: With dead ends: 88 [2018-12-02 00:51:53,370 INFO L226 Difference]: Without dead ends: 85 [2018-12-02 00:51:53,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:53,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-02 00:51:53,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2018-12-02 00:51:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-02 00:51:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2018-12-02 00:51:53,376 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 20 [2018-12-02 00:51:53,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:53,377 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2018-12-02 00:51:53,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 00:51:53,377 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-12-02 00:51:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 00:51:53,378 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:53,378 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:53,378 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:53,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:53,379 INFO L82 PathProgramCache]: Analyzing trace with hash -631840010, now seen corresponding path program 1 times [2018-12-02 00:51:53,379 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:53,379 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:51:53,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:53,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:51:53,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 00:51:53,449 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:53,459 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:51:53,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-02 00:51:53,471 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 00:51:53,485 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 00:51:53,486 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2018-12-02 00:51:53,507 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 00:51:53,507 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:53,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 00:51:53,512 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-12-02 00:51:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:53,523 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:51:53,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:53,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 00:51:53,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 00:51:53,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 00:51:53,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 00:51:53,524 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand 4 states. [2018-12-02 00:51:53,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:53,623 INFO L93 Difference]: Finished difference Result 106 states and 114 transitions. [2018-12-02 00:51:53,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 00:51:53,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 00:51:53,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:53,624 INFO L225 Difference]: With dead ends: 106 [2018-12-02 00:51:53,624 INFO L226 Difference]: Without dead ends: 96 [2018-12-02 00:51:53,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:53,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-02 00:51:53,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 87. [2018-12-02 00:51:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-02 00:51:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2018-12-02 00:51:53,629 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 20 [2018-12-02 00:51:53,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:53,629 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2018-12-02 00:51:53,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 00:51:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2018-12-02 00:51:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 00:51:53,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:53,630 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:53,630 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:53,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:53,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1867690150, now seen corresponding path program 1 times [2018-12-02 00:51:53,630 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:53,630 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:51:53,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:53,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:51:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:53,684 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:51:53,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:53,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 00:51:53,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:51:53,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:51:53,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:53,685 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 5 states. [2018-12-02 00:51:53,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:53,707 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2018-12-02 00:51:53,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:51:53,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-02 00:51:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:53,709 INFO L225 Difference]: With dead ends: 86 [2018-12-02 00:51:53,709 INFO L226 Difference]: Without dead ends: 86 [2018-12-02 00:51:53,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:51:53,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-12-02 00:51:53,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-12-02 00:51:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-02 00:51:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-12-02 00:51:53,714 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 22 [2018-12-02 00:51:53,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:53,714 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-12-02 00:51:53,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:51:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-12-02 00:51:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 00:51:53,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:53,715 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:53,715 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:53,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:53,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2063819383, now seen corresponding path program 1 times [2018-12-02 00:51:53,716 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:53,716 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:51:53,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:53,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:51:53,775 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 00:51:53,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:53,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 00:51:53,777 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 00:51:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:53,808 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:51:53,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:53,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:51:53,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 00:51:53,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 00:51:53,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 00:51:53,810 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 6 states. [2018-12-02 00:51:53,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:53,940 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2018-12-02 00:51:53,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 00:51:53,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 00:51:53,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:53,941 INFO L225 Difference]: With dead ends: 89 [2018-12-02 00:51:53,941 INFO L226 Difference]: Without dead ends: 89 [2018-12-02 00:51:53,942 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 00:51:53,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-12-02 00:51:53,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2018-12-02 00:51:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-12-02 00:51:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 96 transitions. [2018-12-02 00:51:53,946 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 96 transitions. Word has length 23 [2018-12-02 00:51:53,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:53,946 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 96 transitions. [2018-12-02 00:51:53,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 00:51:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 96 transitions. [2018-12-02 00:51:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 00:51:53,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:53,947 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:53,947 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:53,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:53,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1937744906, now seen corresponding path program 1 times [2018-12-02 00:51:53,947 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:53,948 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:51:53,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:53,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:51:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:54,013 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:51:54,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:54,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 00:51:54,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 00:51:54,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 00:51:54,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 00:51:54,015 INFO L87 Difference]: Start difference. First operand 86 states and 96 transitions. Second operand 6 states. [2018-12-02 00:51:54,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:54,043 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2018-12-02 00:51:54,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 00:51:54,044 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 00:51:54,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:54,045 INFO L225 Difference]: With dead ends: 77 [2018-12-02 00:51:54,045 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 00:51:54,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 00:51:54,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 00:51:54,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-12-02 00:51:54,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-02 00:51:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2018-12-02 00:51:54,050 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 23 [2018-12-02 00:51:54,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:54,050 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2018-12-02 00:51:54,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 00:51:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2018-12-02 00:51:54,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 00:51:54,051 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:54,051 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:54,051 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:54,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:54,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1281719761, now seen corresponding path program 1 times [2018-12-02 00:51:54,051 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:54,052 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:51:54,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:51:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:51:54,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:51:54,122 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 00:51:54,126 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:54,132 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:51:54,133 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-02 00:51:54,143 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 00:51:54,164 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:51:54,168 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:54,174 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 00:51:54,178 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:54,183 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:54,189 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 00:51:54,190 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-12-02 00:51:54,210 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 00:51:54,211 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:54,228 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:51:54,243 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:51:54,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-12-02 00:51:54,273 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-02 00:51:55,176 WARN L854 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2018-12-02 00:51:55,186 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,188 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,190 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,191 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2018-12-02 00:51:55,191 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:55,259 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,260 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,262 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,271 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 49 [2018-12-02 00:51:55,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-02 00:51:55,392 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,393 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2018-12-02 00:51:55,394 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:55,486 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-12-02 00:51:55,486 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:55,569 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,570 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-12-02 00:51:55,571 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:55,575 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,576 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,577 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-12-02 00:51:55,577 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:55,672 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,675 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:51:55,675 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-02 00:51:55,676 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 00:51:55,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:51:55,749 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2018-12-02 00:51:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:51:55,826 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:51:55,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:51:55,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 00:51:55,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 00:51:55,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 00:51:55,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-12-02 00:51:55,828 INFO L87 Difference]: Start difference. First operand 74 states and 80 transitions. Second operand 9 states. [2018-12-02 00:51:58,845 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 00:51:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:51:59,988 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2018-12-02 00:51:59,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 00:51:59,989 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-12-02 00:51:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:51:59,989 INFO L225 Difference]: With dead ends: 77 [2018-12-02 00:51:59,989 INFO L226 Difference]: Without dead ends: 60 [2018-12-02 00:51:59,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=59, Invalid=125, Unknown=2, NotChecked=24, Total=210 [2018-12-02 00:51:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-02 00:51:59,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2018-12-02 00:51:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 00:51:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-12-02 00:51:59,992 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 28 [2018-12-02 00:51:59,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:51:59,992 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-12-02 00:51:59,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 00:51:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-12-02 00:51:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 00:51:59,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:51:59,992 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:51:59,993 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:51:59,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:51:59,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1281719760, now seen corresponding path program 1 times [2018-12-02 00:51:59,993 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:51:59,993 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:52:00,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:52:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:52:00,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:52:00,056 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:52:00,060 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:00,067 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 00:52:00,070 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 00:52:00,070 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:00,083 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:00,086 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:00,092 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 00:52:00,092 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-02 00:52:00,108 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:52:00,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:52:00,136 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-02 00:52:00,136 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-02 00:52:00,544 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2018-12-02 00:52:00,548 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-12-02 00:52:00,549 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:00,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 00:52:00,553 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-12-02 00:52:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:52:00,587 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:52:00,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:52:00,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 00:52:00,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 00:52:00,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 00:52:00,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2018-12-02 00:52:00,590 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 8 states. [2018-12-02 00:52:02,731 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 00:52:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:52:03,325 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-12-02 00:52:03,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 00:52:03,326 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-02 00:52:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:52:03,326 INFO L225 Difference]: With dead ends: 55 [2018-12-02 00:52:03,326 INFO L226 Difference]: Without dead ends: 55 [2018-12-02 00:52:03,326 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=48, Invalid=82, Unknown=6, NotChecked=20, Total=156 [2018-12-02 00:52:03,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-02 00:52:03,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-02 00:52:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-02 00:52:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-12-02 00:52:03,328 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 28 [2018-12-02 00:52:03,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:52:03,328 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-12-02 00:52:03,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 00:52:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-12-02 00:52:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 00:52:03,329 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:52:03,329 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:52:03,329 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:52:03,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:52:03,329 INFO L82 PathProgramCache]: Analyzing trace with hash 589117040, now seen corresponding path program 1 times [2018-12-02 00:52:03,329 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:52:03,329 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:52:03,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:52:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:52:03,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:52:03,393 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:52:03,399 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:03,407 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 00:52:03,409 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 00:52:03,410 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:03,424 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:03,427 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:03,432 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 00:52:03,433 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-02 00:52:03,449 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:52:03,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:52:03,479 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-02 00:52:03,479 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-02 00:52:03,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 00:52:03,492 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:03,494 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 00:52:03,494 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-02 00:52:03,545 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:03,546 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-12-02 00:52:03,546 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:03,557 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:03,557 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-12-02 00:52:03,557 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:03,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-02 00:52:03,564 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2018-12-02 00:52:04,690 WARN L854 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (not (= probe1_6_~p~0.base (_ bv0 32))) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2018-12-02 00:52:04,694 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:04,695 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:04,696 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-12-02 00:52:04,696 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:04,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 00:52:04,704 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:16 [2018-12-02 00:52:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:52:05,044 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:52:05,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:52:05,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 00:52:05,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 00:52:05,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 00:52:05,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2018-12-02 00:52:05,047 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 12 states. [2018-12-02 00:52:15,794 WARN L180 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-12-02 00:52:19,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:52:19,976 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-12-02 00:52:19,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 00:52:19,977 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-12-02 00:52:19,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:52:19,977 INFO L225 Difference]: With dead ends: 57 [2018-12-02 00:52:19,977 INFO L226 Difference]: Without dead ends: 54 [2018-12-02 00:52:19,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=54, Invalid=159, Unknown=1, NotChecked=26, Total=240 [2018-12-02 00:52:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-02 00:52:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-02 00:52:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-02 00:52:19,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2018-12-02 00:52:19,979 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 28 [2018-12-02 00:52:19,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:52:19,979 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2018-12-02 00:52:19,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 00:52:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-12-02 00:52:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 00:52:19,980 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:52:19,980 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:52:19,980 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:52:19,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:52:19,980 INFO L82 PathProgramCache]: Analyzing trace with hash 589117041, now seen corresponding path program 1 times [2018-12-02 00:52:19,980 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:52:19,980 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:52:19,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:52:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:52:20,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:52:20,046 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 00:52:20,050 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,056 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:52:20,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-02 00:52:20,069 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 00:52:20,090 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 00:52:20,093 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 00:52:20,102 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 00:52:20,102 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:20,116 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,119 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,125 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 00:52:20,125 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-02 00:52:20,142 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:52:20,157 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:52:20,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-12-02 00:52:20,184 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-02 00:52:20,250 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-12-02 00:52:20,250 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:20,279 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,280 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,280 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-12-02 00:52:20,281 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:20,304 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,305 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:20,305 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-12-02 00:52:20,305 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:20,337 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2018-12-02 00:52:20,337 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:20,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 00:52:20,346 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2018-12-02 00:52:22,050 WARN L180 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-02 00:52:22,056 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 00:52:22,056 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:22,063 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 00:52:22,064 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:22,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 00:52:22,068 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2018-12-02 00:52:23,328 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,329 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,331 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,340 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 47 [2018-12-02 00:52:23,340 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-12-02 00:52:23,457 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,458 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-02 00:52:23,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:23,461 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,462 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,462 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-12-02 00:52:23,463 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:23,559 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,561 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-12-02 00:52:23,561 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:23,644 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,646 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-12-02 00:52:23,646 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:23,708 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,709 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,710 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-12-02 00:52:23,710 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:23,772 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,773 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,775 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 00:52:23,776 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2018-12-02 00:52:23,776 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 00:52:23,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 00:52:23,839 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2018-12-02 00:52:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:52:25,722 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:52:25,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:52:25,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 00:52:25,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 00:52:25,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 00:52:25,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2018-12-02 00:52:25,725 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 7 states. [2018-12-02 00:52:33,050 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 00:52:39,819 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 00:52:46,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:52:46,385 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-12-02 00:52:46,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 00:52:46,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 00:52:46,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:52:46,386 INFO L225 Difference]: With dead ends: 53 [2018-12-02 00:52:46,386 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 00:52:46,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2018-12-02 00:52:46,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 00:52:46,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 00:52:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 00:52:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-12-02 00:52:46,388 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 28 [2018-12-02 00:52:46,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:52:46,388 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-12-02 00:52:46,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 00:52:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-12-02 00:52:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 00:52:46,389 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:52:46,389 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:52:46,389 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:52:46,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:52:46,389 INFO L82 PathProgramCache]: Analyzing trace with hash -900221173, now seen corresponding path program 1 times [2018-12-02 00:52:46,389 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:52:46,389 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:52:46,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:52:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:52:46,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 00:52:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:52:46,441 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 00:52:46,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 00:52:46,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 00:52:46,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 00:52:46,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 00:52:46,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:52:46,443 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 5 states. [2018-12-02 00:52:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 00:52:46,448 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-02 00:52:46,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 00:52:46,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-12-02 00:52:46,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 00:52:46,449 INFO L225 Difference]: With dead ends: 42 [2018-12-02 00:52:46,449 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 00:52:46,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 00:52:46,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 00:52:46,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 00:52:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 00:52:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-02 00:52:46,451 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 37 [2018-12-02 00:52:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 00:52:46,451 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-02 00:52:46,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 00:52:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-02 00:52:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 00:52:46,452 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 00:52:46,452 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 00:52:46,452 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION]=== [2018-12-02 00:52:46,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:52:46,453 INFO L82 PathProgramCache]: Analyzing trace with hash -629260568, now seen corresponding path program 1 times [2018-12-02 00:52:46,453 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 00:52:46,453 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5396b660-1c17-45f0-a8f8-461499235349/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 00:52:46,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 00:52:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:52:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 00:52:46,637 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 00:52:46,650 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 00:52:46,654 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 00:52:46,655 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 00:52:46,655 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 00:52:46,655 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 00:52:46,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:52:46 BoogieIcfgContainer [2018-12-02 00:52:46,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 00:52:46,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 00:52:46,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 00:52:46,664 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 00:52:46,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:51:52" (3/4) ... [2018-12-02 00:52:46,667 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 00:52:46,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 00:52:46,668 INFO L168 Benchmark]: Toolchain (without parser) took 55149.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -123.4 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. [2018-12-02 00:52:46,668 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. [2018-12-02 00:52:46,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-02 00:52:46,669 INFO L168 Benchmark]: Boogie Preprocessor took 45.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 00:52:46,669 INFO L168 Benchmark]: RCFGBuilder took 815.37 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: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2018-12-02 00:52:46,669 INFO L168 Benchmark]: TraceAbstraction took 53947.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -59.4 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. [2018-12-02 00:52:46,670 INFO L168 Benchmark]: Witness Printer took 3.47 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:52:46,671 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 335.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 815.37 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: 108.1 MB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53947.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -59.4 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.47 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 ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1476]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1476. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1465] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={3:0}, ldv_global_msg_list={2:0}] [L1477] CALL entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1469] CALL, EXPR probe1_6(&a6) VAL [a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}] [L1443] int ret = - -3; VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={3:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={4093:0}, a6={3:0}, ldv_global_msg_list={2:0}, malloc(size)={4093:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={4093:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=3] [L1447] CALL, EXPR f6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={3:0}, a={3:0}, a6={3:0}, f6()=0, ldv_global_msg_list={2:0}, p={4093:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1450] CALL, EXPR g6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={3:0}, a={3:0}, a6={3:0}, g6()=0, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1453] a->p = p VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1454] return 0; VAL [\result=0, a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={4093:0}, ret=0] [L1469] RET, EXPR probe1_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, probe1_6(&a6)=0] [L1469] int ret = probe1_6(&a6); [L1470] COND TRUE ret==0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1471] FCALL disconnect_2_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1473] a6.p = 0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=0] [L1477] RET entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 340 locations, 73 error locations. UNSAFE Result, 53.9s OverallTime, 12 OverallIterations, 1 TraceHistogramMax, 42.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 571 SDtfs, 524 SDslu, 1105 SDs, 0 SdLazy, 686 SolverSat, 190 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 202 SyntacticMatches, 15 SemanticMatches, 71 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 29.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 41 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 266 ConstructedInterpolants, 38 QuantifiedInterpolants, 53149 SizeOfPredicates, 43 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...