./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 08:17:52,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:17:52,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:17:52,854 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:17:52,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:17:52,855 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:17:52,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:17:52,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:17:52,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:17:52,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:17:52,859 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:17:52,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:17:52,860 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:17:52,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:17:52,862 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:17:52,862 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:17:52,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:17:52,864 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:17:52,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:17:52,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:17:52,867 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:17:52,868 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:17:52,870 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:17:52,870 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:17:52,870 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:17:52,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:17:52,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:17:52,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:17:52,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:17:52,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:17:52,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:17:52,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:17:52,874 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:17:52,874 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:17:52,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:17:52,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:17:52,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-08 08:17:52,883 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:17:52,883 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:17:52,884 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:17:52,884 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:17:52,884 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:17:52,884 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:17:52,884 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:17:52,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:17:52,885 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:17:52,886 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:17:52,886 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:17:52,886 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:17:52,886 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:17:52,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:17:52,886 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:17:52,886 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:17:52,886 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 08:17:52,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:17:52,886 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_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2018-12-08 08:17:52,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:17:52,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:17:52,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:17:52,916 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:17:52,916 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:17:52,916 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-08 08:17:52,954 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/28e3a8938/b744b378abf2405ea0c9a98d7f237452/FLAG6c5dc3a12 [2018-12-08 08:17:53,411 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:17:53,412 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-08 08:17:53,419 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/28e3a8938/b744b378abf2405ea0c9a98d7f237452/FLAG6c5dc3a12 [2018-12-08 08:17:53,428 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/28e3a8938/b744b378abf2405ea0c9a98d7f237452 [2018-12-08 08:17:53,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:17:53,431 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 08:17:53,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:17:53,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:17:53,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:17:53,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33416e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53, skipping insertion in model container [2018-12-08 08:17:53,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:17:53,463 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:17:53,678 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:17:53,689 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:17:53,722 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:17:53,753 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:17:53,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53 WrapperNode [2018-12-08 08:17:53,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:17:53,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:17:53,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:17:53,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:17:53,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... [2018-12-08 08:17:53,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:17:53,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:17:53,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:17:53,798 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:17:53,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:17:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 08:17:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:17:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 08:17:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 08:17:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 08:17:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 08:17:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 08:17:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 08:17:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 08:17:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 08:17:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 08:17:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 08:17:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 08:17:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 08:17:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 08:17:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 08:17:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 08:17:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 08:17:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 08:17:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 08:17:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 08:17:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 08:17:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 08:17:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 08:17:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 08:17:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 08:17:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 08:17:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 08:17:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 08:17:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 08:17:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 08:17:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 08:17:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 08:17:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 08:17:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 08:17:54,083 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 08:17:54,195 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 08:17:54,291 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:17:54,291 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 08:17:54,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:17:54 BoogieIcfgContainer [2018-12-08 08:17:54,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:17:54,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:17:54,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:17:54,294 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:17:54,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:17:53" (1/3) ... [2018-12-08 08:17:54,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:17:54, skipping insertion in model container [2018-12-08 08:17:54,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:17:53" (2/3) ... [2018-12-08 08:17:54,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:17:54, skipping insertion in model container [2018-12-08 08:17:54,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:17:54" (3/3) ... [2018-12-08 08:17:54,296 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-08 08:17:54,302 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:17:54,307 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-08 08:17:54,316 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-08 08:17:54,330 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:17:54,330 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:17:54,330 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 08:17:54,331 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:17:54,331 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:17:54,331 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:17:54,331 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:17:54,331 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:17:54,331 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:17:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-12-08 08:17:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:17:54,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:54,347 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:54,348 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:54,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:54,352 INFO L82 PathProgramCache]: Analyzing trace with hash -36030759, now seen corresponding path program 1 times [2018-12-08 08:17:54,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:54,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:54,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:54,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:54,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:54,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:17:54,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:17:54,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:17:54,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:17:54,492 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2018-12-08 08:17:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:54,565 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-12-08 08:17:54,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:17:54,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-08 08:17:54,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:54,575 INFO L225 Difference]: With dead ends: 74 [2018-12-08 08:17:54,575 INFO L226 Difference]: Without dead ends: 71 [2018-12-08 08:17:54,576 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:17:54,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-08 08:17:54,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-12-08 08:17:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 08:17:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-12-08 08:17:54,603 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2018-12-08 08:17:54,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:54,604 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-12-08 08:17:54,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:17:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-12-08 08:17:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:17:54,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:54,604 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:54,605 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:54,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:54,605 INFO L82 PathProgramCache]: Analyzing trace with hash -36030758, now seen corresponding path program 1 times [2018-12-08 08:17:54,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:54,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:54,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:54,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:54,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:54,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:17:54,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:17:54,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:17:54,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:17:54,685 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 6 states. [2018-12-08 08:17:54,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:54,761 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-12-08 08:17:54,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:17:54,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-12-08 08:17:54,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:54,762 INFO L225 Difference]: With dead ends: 70 [2018-12-08 08:17:54,762 INFO L226 Difference]: Without dead ends: 70 [2018-12-08 08:17:54,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:17:54,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-08 08:17:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2018-12-08 08:17:54,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 08:17:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-12-08 08:17:54,767 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2018-12-08 08:17:54,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:54,767 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-12-08 08:17:54,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:17:54,767 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-12-08 08:17:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:17:54,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:54,768 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:54,768 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:54,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:54,768 INFO L82 PathProgramCache]: Analyzing trace with hash -7401608, now seen corresponding path program 1 times [2018-12-08 08:17:54,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:54,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:54,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:54,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:54,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:54,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:17:54,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:17:54,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:17:54,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:17:54,816 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2018-12-08 08:17:54,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:54,828 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-08 08:17:54,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:17:54,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-08 08:17:54,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:54,829 INFO L225 Difference]: With dead ends: 64 [2018-12-08 08:17:54,829 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 08:17:54,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:17:54,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 08:17:54,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-08 08:17:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 08:17:54,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-12-08 08:17:54,833 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2018-12-08 08:17:54,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:54,833 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-12-08 08:17:54,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:17:54,833 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-12-08 08:17:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 08:17:54,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:54,834 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:54,834 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:54,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:54,834 INFO L82 PathProgramCache]: Analyzing trace with hash 472905528, now seen corresponding path program 1 times [2018-12-08 08:17:54,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:54,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:54,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:54,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:54,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:54,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:17:54,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:17:54,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:17:54,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:17:54,858 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2018-12-08 08:17:54,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:54,871 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-12-08 08:17:54,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:17:54,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-08 08:17:54,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:54,872 INFO L225 Difference]: With dead ends: 64 [2018-12-08 08:17:54,872 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 08:17:54,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:17:54,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 08:17:54,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-08 08:17:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 08:17:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-08 08:17:54,878 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2018-12-08 08:17:54,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:54,878 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-08 08:17:54,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:17:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-08 08:17:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 08:17:54,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:54,878 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:54,879 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:54,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:54,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1324045831, now seen corresponding path program 1 times [2018-12-08 08:17:54,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:54,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:54,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:54,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:54,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:54,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 08:17:54,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 08:17:54,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:17:54,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:17:54,903 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2018-12-08 08:17:54,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:54,932 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-12-08 08:17:54,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:17:54,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-08 08:17:54,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:54,933 INFO L225 Difference]: With dead ends: 68 [2018-12-08 08:17:54,933 INFO L226 Difference]: Without dead ends: 58 [2018-12-08 08:17:54,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:17:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-08 08:17:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-08 08:17:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-08 08:17:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-08 08:17:54,936 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2018-12-08 08:17:54,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:54,936 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-08 08:17:54,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 08:17:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-08 08:17:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 08:17:54,937 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:54,937 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:54,937 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:54,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:54,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1119250772, now seen corresponding path program 1 times [2018-12-08 08:17:54,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:54,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:54,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:54,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:55,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:55,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:55,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 08:17:55,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 08:17:55,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 08:17:55,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:17:55,015 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 11 states. [2018-12-08 08:17:55,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:55,170 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-12-08 08:17:55,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 08:17:55,171 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-12-08 08:17:55,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:55,171 INFO L225 Difference]: With dead ends: 57 [2018-12-08 08:17:55,171 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 08:17:55,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:17:55,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 08:17:55,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 08:17:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 08:17:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-12-08 08:17:55,174 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 32 [2018-12-08 08:17:55,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:55,175 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-12-08 08:17:55,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 08:17:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-12-08 08:17:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 08:17:55,175 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:55,175 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:55,176 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:55,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:55,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1119250773, now seen corresponding path program 1 times [2018-12-08 08:17:55,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:55,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:55,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:55,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:55,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:55,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:17:55,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:17:55,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:17:55,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:17:55,216 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 4 states. [2018-12-08 08:17:55,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:55,226 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-08 08:17:55,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:17:55,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-12-08 08:17:55,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:55,227 INFO L225 Difference]: With dead ends: 60 [2018-12-08 08:17:55,227 INFO L226 Difference]: Without dead ends: 58 [2018-12-08 08:17:55,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:17:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-08 08:17:55,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-08 08:17:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-08 08:17:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-08 08:17:55,229 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 32 [2018-12-08 08:17:55,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:55,229 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-08 08:17:55,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:17:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-08 08:17:55,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 08:17:55,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:55,230 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:55,230 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:55,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:55,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1927244860, now seen corresponding path program 1 times [2018-12-08 08:17:55,230 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:55,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:55,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:55,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:55,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:55,258 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:55,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:55,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:55,336 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:55,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-12-08 08:17:55,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:17:55,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:17:55,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:17:55,337 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2018-12-08 08:17:55,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:55,355 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-08 08:17:55,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:17:55,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-12-08 08:17:55,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:55,356 INFO L225 Difference]: With dead ends: 61 [2018-12-08 08:17:55,356 INFO L226 Difference]: Without dead ends: 59 [2018-12-08 08:17:55,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:17:55,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-08 08:17:55,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-08 08:17:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-08 08:17:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-12-08 08:17:55,359 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 33 [2018-12-08 08:17:55,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:55,359 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-12-08 08:17:55,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:17:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-12-08 08:17:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 08:17:55,360 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:55,360 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:55,361 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:55,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:55,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1879328971, now seen corresponding path program 2 times [2018-12-08 08:17:55,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:55,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:55,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:55,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:55,393 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:55,393 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:55,399 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 08:17:55,417 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-08 08:17:55,417 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:55,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:55,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:17:55,442 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:17:55,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:17:55,449 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-12-08 08:17:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 08:17:55,600 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 08:17:55,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 17 [2018-12-08 08:17:55,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 08:17:55,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 08:17:55,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2018-12-08 08:17:55,601 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 17 states. [2018-12-08 08:17:55,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:55,895 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-08 08:17:55,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 08:17:55,895 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 34 [2018-12-08 08:17:55,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:55,896 INFO L225 Difference]: With dead ends: 61 [2018-12-08 08:17:55,896 INFO L226 Difference]: Without dead ends: 59 [2018-12-08 08:17:55,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2018-12-08 08:17:55,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-08 08:17:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-08 08:17:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-08 08:17:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-12-08 08:17:55,899 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 34 [2018-12-08 08:17:55,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:55,899 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-12-08 08:17:55,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 08:17:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-12-08 08:17:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 08:17:55,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:55,900 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:55,900 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:55,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:55,901 INFO L82 PathProgramCache]: Analyzing trace with hash -608846876, now seen corresponding path program 1 times [2018-12-08 08:17:55,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:55,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:55,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,902 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:55,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 08:17:55,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:55,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 08:17:55,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 08:17:55,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 08:17:55,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:17:55,972 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 11 states. [2018-12-08 08:17:56,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:56,091 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-12-08 08:17:56,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 08:17:56,091 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2018-12-08 08:17:56,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:56,092 INFO L225 Difference]: With dead ends: 57 [2018-12-08 08:17:56,092 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 08:17:56,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:17:56,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 08:17:56,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 08:17:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 08:17:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-12-08 08:17:56,094 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 40 [2018-12-08 08:17:56,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:56,094 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-12-08 08:17:56,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 08:17:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-12-08 08:17:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 08:17:56,094 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:56,095 INFO L402 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:56,095 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:56,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:56,095 INFO L82 PathProgramCache]: Analyzing trace with hash -608846875, now seen corresponding path program 1 times [2018-12-08 08:17:56,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:56,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:56,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:56,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:56,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:56,134 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:56,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:56,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:56,195 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:56,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-12-08 08:17:56,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 08:17:56,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 08:17:56,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:17:56,196 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 8 states. [2018-12-08 08:17:56,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:56,214 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-08 08:17:56,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:17:56,214 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-12-08 08:17:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:56,215 INFO L225 Difference]: With dead ends: 60 [2018-12-08 08:17:56,215 INFO L226 Difference]: Without dead ends: 58 [2018-12-08 08:17:56,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:17:56,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-08 08:17:56,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-08 08:17:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-08 08:17:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-08 08:17:56,217 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 40 [2018-12-08 08:17:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:56,217 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-08 08:17:56,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 08:17:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-08 08:17:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 08:17:56,217 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:56,218 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:56,218 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:56,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:56,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1610479788, now seen corresponding path program 2 times [2018-12-08 08:17:56,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:56,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:56,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:56,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:56,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:56,253 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:56,259 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 08:17:56,282 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-08 08:17:56,282 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:56,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:56,291 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:17:56,291 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:17:56,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:17:56,296 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2018-12-08 08:17:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 08:17:56,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 08:17:56,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 19 [2018-12-08 08:17:56,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 08:17:56,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 08:17:56,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-08 08:17:56,457 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 19 states. [2018-12-08 08:17:56,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:56,736 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2018-12-08 08:17:56,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 08:17:56,736 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 41 [2018-12-08 08:17:56,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:56,737 INFO L225 Difference]: With dead ends: 59 [2018-12-08 08:17:56,737 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 08:17:56,737 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2018-12-08 08:17:56,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 08:17:56,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 08:17:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 08:17:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-12-08 08:17:56,739 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 41 [2018-12-08 08:17:56,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:56,740 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-12-08 08:17:56,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 08:17:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-12-08 08:17:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 08:17:56,740 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:56,740 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:56,740 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:56,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:56,741 INFO L82 PathProgramCache]: Analyzing trace with hash -205588896, now seen corresponding path program 1 times [2018-12-08 08:17:56,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:56,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:56,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,741 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:56,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 08:17:56,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:56,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 08:17:56,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 08:17:56,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 08:17:56,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:17:56,773 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 7 states. [2018-12-08 08:17:56,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:56,791 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-12-08 08:17:56,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:17:56,791 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2018-12-08 08:17:56,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:56,792 INFO L225 Difference]: With dead ends: 59 [2018-12-08 08:17:56,792 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 08:17:56,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:17:56,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 08:17:56,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 08:17:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 08:17:56,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-12-08 08:17:56,794 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 40 [2018-12-08 08:17:56,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:56,795 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-12-08 08:17:56,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 08:17:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-12-08 08:17:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 08:17:56,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:56,796 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:56,796 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:56,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:56,796 INFO L82 PathProgramCache]: Analyzing trace with hash -390442161, now seen corresponding path program 1 times [2018-12-08 08:17:56,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:56,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:56,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:56,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:56,861 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 08:17:56,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:17:56,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 08:17:56,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 08:17:56,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 08:17:56,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:17:56,862 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 9 states. [2018-12-08 08:17:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:56,899 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-12-08 08:17:56,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 08:17:56,899 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-12-08 08:17:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:56,899 INFO L225 Difference]: With dead ends: 61 [2018-12-08 08:17:56,900 INFO L226 Difference]: Without dead ends: 57 [2018-12-08 08:17:56,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:17:56,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-08 08:17:56,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-08 08:17:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-08 08:17:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-12-08 08:17:56,902 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 45 [2018-12-08 08:17:56,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:56,902 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-12-08 08:17:56,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 08:17:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-12-08 08:17:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 08:17:56,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:56,903 INFO L402 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:56,904 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:56,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:56,904 INFO L82 PathProgramCache]: Analyzing trace with hash -2088361936, now seen corresponding path program 1 times [2018-12-08 08:17:56,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:56,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:56,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:56,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:56,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:56,950 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:56,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:56,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,019 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:57,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2018-12-08 08:17:57,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 08:17:57,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 08:17:57,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-12-08 08:17:57,019 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 10 states. [2018-12-08 08:17:57,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:57,034 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-12-08 08:17:57,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 08:17:57,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-12-08 08:17:57,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:57,034 INFO L225 Difference]: With dead ends: 60 [2018-12-08 08:17:57,034 INFO L226 Difference]: Without dead ends: 58 [2018-12-08 08:17:57,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:17:57,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-08 08:17:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-08 08:17:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-08 08:17:57,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-12-08 08:17:57,036 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-12-08 08:17:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:57,036 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-12-08 08:17:57,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 08:17:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-12-08 08:17:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 08:17:57,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:57,037 INFO L402 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:57,037 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:57,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:57,037 INFO L82 PathProgramCache]: Analyzing trace with hash -310137441, now seen corresponding path program 2 times [2018-12-08 08:17:57,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:57,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:57,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:57,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:57,076 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:57,082 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 08:17:57,105 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 08:17:57,105 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:57,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,135 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:57,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2018-12-08 08:17:57,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 08:17:57,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 08:17:57,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:17:57,136 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 11 states. [2018-12-08 08:17:57,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:57,159 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-12-08 08:17:57,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 08:17:57,159 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 57 [2018-12-08 08:17:57,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:57,159 INFO L225 Difference]: With dead ends: 61 [2018-12-08 08:17:57,159 INFO L226 Difference]: Without dead ends: 59 [2018-12-08 08:17:57,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-12-08 08:17:57,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-08 08:17:57,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-08 08:17:57,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-08 08:17:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-12-08 08:17:57,161 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-12-08 08:17:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:57,161 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-12-08 08:17:57,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 08:17:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-12-08 08:17:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 08:17:57,162 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:57,162 INFO L402 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:57,162 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:57,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:57,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1019752944, now seen corresponding path program 3 times [2018-12-08 08:17:57,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:57,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:57,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,163 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:57,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:57,205 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:57,211 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 08:17:57,563 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-12-08 08:17:57,563 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:57,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,590 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:57,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2018-12-08 08:17:57,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 08:17:57,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 08:17:57,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-12-08 08:17:57,591 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 12 states. [2018-12-08 08:17:57,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:57,613 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-12-08 08:17:57,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 08:17:57,613 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2018-12-08 08:17:57,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:57,614 INFO L225 Difference]: With dead ends: 62 [2018-12-08 08:17:57,614 INFO L226 Difference]: Without dead ends: 60 [2018-12-08 08:17:57,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:17:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-08 08:17:57,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-08 08:17:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-08 08:17:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-12-08 08:17:57,615 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-12-08 08:17:57,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:57,616 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-12-08 08:17:57,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 08:17:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-12-08 08:17:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 08:17:57,616 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:57,616 INFO L402 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:57,617 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:57,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:57,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1542997057, now seen corresponding path program 4 times [2018-12-08 08:17:57,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:57,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:57,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,618 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:57,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:57,706 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:57,714 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-08 08:17:57,744 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-08 08:17:57,744 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:57,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:57,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2018-12-08 08:17:57,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 08:17:57,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 08:17:57,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:17:57,775 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 13 states. [2018-12-08 08:17:57,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:57,802 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-12-08 08:17:57,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 08:17:57,803 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2018-12-08 08:17:57,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:57,803 INFO L225 Difference]: With dead ends: 63 [2018-12-08 08:17:57,803 INFO L226 Difference]: Without dead ends: 61 [2018-12-08 08:17:57,803 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:17:57,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-08 08:17:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-08 08:17:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-08 08:17:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-12-08 08:17:57,805 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-12-08 08:17:57,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:57,806 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-12-08 08:17:57,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 08:17:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-12-08 08:17:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 08:17:57,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:57,806 INFO L402 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:57,807 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:57,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash -583695376, now seen corresponding path program 5 times [2018-12-08 08:17:57,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:57,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:57,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,808 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:57,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:57,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:57,875 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:57,882 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-08 08:17:58,001 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-12-08 08:17:58,001 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:58,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:58,028 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:58,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2018-12-08 08:17:58,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 08:17:58,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 08:17:58,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:17:58,029 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 14 states. [2018-12-08 08:17:58,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:58,053 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-12-08 08:17:58,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 08:17:58,054 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 60 [2018-12-08 08:17:58,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:58,054 INFO L225 Difference]: With dead ends: 64 [2018-12-08 08:17:58,054 INFO L226 Difference]: Without dead ends: 62 [2018-12-08 08:17:58,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2018-12-08 08:17:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-08 08:17:58,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-12-08 08:17:58,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 08:17:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-12-08 08:17:58,057 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-12-08 08:17:58,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:58,057 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-12-08 08:17:58,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 08:17:58,057 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-12-08 08:17:58,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 08:17:58,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:58,058 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:58,058 INFO L423 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:58,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:58,059 INFO L82 PathProgramCache]: Analyzing trace with hash -910114337, now seen corresponding path program 6 times [2018-12-08 08:17:58,059 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:58,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:58,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:58,060 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:58,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:58,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:58,149 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:58,156 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-12-08 08:17:59,436 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2018-12-08 08:17:59,436 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:59,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:59,464 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:59,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2018-12-08 08:17:59,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 08:17:59,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 08:17:59,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-12-08 08:17:59,464 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 15 states. [2018-12-08 08:17:59,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:59,490 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-12-08 08:17:59,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 08:17:59,490 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2018-12-08 08:17:59,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:59,490 INFO L225 Difference]: With dead ends: 65 [2018-12-08 08:17:59,490 INFO L226 Difference]: Without dead ends: 63 [2018-12-08 08:17:59,491 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2018-12-08 08:17:59,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-08 08:17:59,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-08 08:17:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-08 08:17:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-12-08 08:17:59,492 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-12-08 08:17:59,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:59,492 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-12-08 08:17:59,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 08:17:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-12-08 08:17:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 08:17:59,493 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:59,493 INFO L402 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:59,493 INFO L423 AbstractCegarLoop]: === Iteration 21 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:59,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:59,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1855799760, now seen corresponding path program 7 times [2018-12-08 08:17:59,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:59,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:59,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:59,494 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:59,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:59,568 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:59,568 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:59,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:59,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:59,617 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:59,632 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:59,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2018-12-08 08:17:59,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 08:17:59,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 08:17:59,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2018-12-08 08:17:59,633 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 16 states. [2018-12-08 08:17:59,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:59,662 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-12-08 08:17:59,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 08:17:59,663 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 62 [2018-12-08 08:17:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:59,663 INFO L225 Difference]: With dead ends: 66 [2018-12-08 08:17:59,663 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 08:17:59,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=111, Invalid=161, Unknown=0, NotChecked=0, Total=272 [2018-12-08 08:17:59,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 08:17:59,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-12-08 08:17:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-08 08:17:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-12-08 08:17:59,665 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-12-08 08:17:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:59,666 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-12-08 08:17:59,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 08:17:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-12-08 08:17:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 08:17:59,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:59,666 INFO L402 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:59,667 INFO L423 AbstractCegarLoop]: === Iteration 22 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:59,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:59,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1699790847, now seen corresponding path program 8 times [2018-12-08 08:17:59,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:59,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:59,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:59,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:17:59,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:59,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:59,759 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:59,767 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 08:17:59,798 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 08:17:59,798 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:17:59,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:17:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:59,839 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:17:59,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2018-12-08 08:17:59,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 08:17:59,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 08:17:59,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-12-08 08:17:59,840 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 17 states. [2018-12-08 08:17:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:17:59,870 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-12-08 08:17:59,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 08:17:59,870 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 63 [2018-12-08 08:17:59,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:17:59,870 INFO L225 Difference]: With dead ends: 67 [2018-12-08 08:17:59,871 INFO L226 Difference]: Without dead ends: 65 [2018-12-08 08:17:59,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=126, Invalid=180, Unknown=0, NotChecked=0, Total=306 [2018-12-08 08:17:59,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-08 08:17:59,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-08 08:17:59,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 08:17:59,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-12-08 08:17:59,872 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-12-08 08:17:59,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:17:59,872 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-12-08 08:17:59,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 08:17:59,872 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-12-08 08:17:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 08:17:59,873 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:17:59,873 INFO L402 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:17:59,873 INFO L423 AbstractCegarLoop]: === Iteration 23 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:17:59,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:17:59,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1158481840, now seen corresponding path program 9 times [2018-12-08 08:17:59,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:17:59,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:17:59,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:59,874 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:17:59,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:17:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:17:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:17:59,979 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:17:59,979 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:17:59,994 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-08 08:18:03,136 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2018-12-08 08:18:03,136 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:18:03,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:03,342 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:03,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 21] total 36 [2018-12-08 08:18:03,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-12-08 08:18:03,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-12-08 08:18:03,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=889, Unknown=0, NotChecked=0, Total=1260 [2018-12-08 08:18:03,343 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 36 states. [2018-12-08 08:18:03,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:03,424 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-12-08 08:18:03,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 08:18:03,424 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 64 [2018-12-08 08:18:03,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:03,425 INFO L225 Difference]: With dead ends: 68 [2018-12-08 08:18:03,425 INFO L226 Difference]: Without dead ends: 66 [2018-12-08 08:18:03,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=409, Invalid=997, Unknown=0, NotChecked=0, Total=1406 [2018-12-08 08:18:03,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-08 08:18:03,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-08 08:18:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-08 08:18:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-12-08 08:18:03,427 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-12-08 08:18:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:03,427 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-12-08 08:18:03,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-12-08 08:18:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-12-08 08:18:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 08:18:03,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:03,428 INFO L402 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:03,428 INFO L423 AbstractCegarLoop]: === Iteration 24 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:03,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:03,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1557771807, now seen corresponding path program 10 times [2018-12-08 08:18:03,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:03,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:03,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:03,430 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:18:03,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:03,535 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:18:03,535 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:18:03,541 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-12-08 08:18:03,566 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-12-08 08:18:03,566 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:18:03,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:03,594 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:03,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2018-12-08 08:18:03,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 08:18:03,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 08:18:03,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-12-08 08:18:03,595 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 19 states. [2018-12-08 08:18:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:03,618 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-12-08 08:18:03,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 08:18:03,618 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 65 [2018-12-08 08:18:03,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:03,619 INFO L225 Difference]: With dead ends: 69 [2018-12-08 08:18:03,619 INFO L226 Difference]: Without dead ends: 67 [2018-12-08 08:18:03,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=159, Invalid=221, Unknown=0, NotChecked=0, Total=380 [2018-12-08 08:18:03,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-08 08:18:03,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-08 08:18:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-08 08:18:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-12-08 08:18:03,620 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-12-08 08:18:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:03,620 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-12-08 08:18:03,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 08:18:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-12-08 08:18:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 08:18:03,621 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:03,621 INFO L402 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:03,621 INFO L423 AbstractCegarLoop]: === Iteration 25 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:03,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:03,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1050858896, now seen corresponding path program 11 times [2018-12-08 08:18:03,621 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:03,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:03,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:03,622 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:18:03,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:03,729 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 08:18:03,729 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 08:18:03,736 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-12-08 08:18:04,067 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2018-12-08 08:18:04,067 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:18:04,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:04,094 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:04,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2018-12-08 08:18:04,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 08:18:04,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 08:18:04,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-12-08 08:18:04,095 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 20 states. [2018-12-08 08:18:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:04,121 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-12-08 08:18:04,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 08:18:04,121 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2018-12-08 08:18:04,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:04,121 INFO L225 Difference]: With dead ends: 70 [2018-12-08 08:18:04,121 INFO L226 Difference]: Without dead ends: 68 [2018-12-08 08:18:04,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=177, Invalid=243, Unknown=0, NotChecked=0, Total=420 [2018-12-08 08:18:04,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-08 08:18:04,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-08 08:18:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-08 08:18:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-12-08 08:18:04,123 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-12-08 08:18:04,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:04,123 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-12-08 08:18:04,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 08:18:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-12-08 08:18:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 08:18:04,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:04,123 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:04,124 INFO L423 AbstractCegarLoop]: === Iteration 26 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:04,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:04,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1778539457, now seen corresponding path program 12 times [2018-12-08 08:18:04,124 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 08:18:04,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 08:18:04,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:04,124 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:18:04,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 08:18:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:18:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:18:04,163 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 08:18:04,171 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2018-12-08 08:18:04,173 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 08:18:04,177 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 08:18:04,177 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 08:18:04,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:18:04 BoogieIcfgContainer [2018-12-08 08:18:04,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 08:18:04,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:18:04,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:18:04,183 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:18:04,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:17:54" (3/4) ... [2018-12-08 08:18:04,186 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 08:18:04,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:18:04,187 INFO L168 Benchmark]: Toolchain (without parser) took 10756.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 202.4 MB). Free memory was 951.7 MB in the beginning and 915.4 MB in the end (delta: 36.3 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:04,188 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:18:04,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:04,188 INFO L168 Benchmark]: Boogie Preprocessor took 44.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:04,188 INFO L168 Benchmark]: RCFGBuilder took 493.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.2 MB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:04,189 INFO L168 Benchmark]: TraceAbstraction took 9890.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 994.2 MB in the beginning and 921.8 MB in the end (delta: 72.4 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:04,189 INFO L168 Benchmark]: Witness Printer took 3.42 ms. Allocated memory is still 1.2 GB. Free memory is still 915.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:18:04,190 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 493.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.2 MB in the end (delta: 102.4 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9890.80 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 994.2 MB in the beginning and 921.8 MB in the end (delta: 72.4 MB). Peak memory consumption was 151.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.42 ms. Allocated memory is still 1.2 GB. Free memory is still 915.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={25:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={25:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={25:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={25:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={25:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={25:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={22:0}, ldv_global_msg_list={25:0}, malloc(size)={22:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={25:0}, ldv_malloc(sizeof(*kobj))={22:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={22:0}, ldv_global_msg_list={25:0}, memset(kobj, 0, sizeof(*kobj))={22:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={22:12}, ldv_global_msg_list={25:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={22:12}, kref={22:12}, ldv_global_msg_list={25:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={25:0}, list={22:4}] [L1099] list->next = list VAL [ldv_global_msg_list={25:0}, list={22:4}, list={22:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={25:0}, list={22:4}, list={22:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={22:0}, ldv_global_msg_list={25:0}] [L1414] return kobj; VAL [\result={22:0}, kobj={22:0}, ldv_global_msg_list={25:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={25:0}, ldv_kobject_create()={22:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={25:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 308 locations, 67 error locations. UNSAFE Result, 9.8s OverallTime, 26 OverallIterations, 16 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1254 SDtfs, 227 SDslu, 8226 SDs, 0 SdLazy, 2121 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1095 GetRequests, 799 SyntacticMatches, 4 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 25 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1989 NumberOfCodeBlocks, 1983 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 1882 ConstructedInterpolants, 20 QuantifiedInterpolants, 162782 SizeOfPredicates, 32 NumberOfNonLiveVariables, 4158 ConjunctsInSsa, 254 ConjunctsInUnsatCore, 40 InterpolantComputations, 12 PerfectInterpolantSequences, 49/1396 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 08:18:05,427 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 08:18:05,428 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 08:18:05,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 08:18:05,435 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 08:18:05,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 08:18:05,436 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 08:18:05,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 08:18:05,438 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 08:18:05,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 08:18:05,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 08:18:05,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 08:18:05,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 08:18:05,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 08:18:05,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 08:18:05,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 08:18:05,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 08:18:05,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 08:18:05,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 08:18:05,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 08:18:05,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 08:18:05,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 08:18:05,446 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 08:18:05,446 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 08:18:05,446 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 08:18:05,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 08:18:05,448 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 08:18:05,448 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 08:18:05,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 08:18:05,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 08:18:05,449 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 08:18:05,450 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 08:18:05,450 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 08:18:05,450 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 08:18:05,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 08:18:05,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 08:18:05,451 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-08 08:18:05,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 08:18:05,459 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 08:18:05,459 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 08:18:05,459 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 08:18:05,460 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 08:18:05,460 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 08:18:05,460 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 08:18:05,460 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 08:18:05,460 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 08:18:05,460 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 08:18:05,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 08:18:05,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 08:18:05,461 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 08:18:05,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 08:18:05,462 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 08:18:05,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 08:18:05,462 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 08:18:05,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:18:05,462 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 08:18:05,462 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 08:18:05,462 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 08:18:05,463 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 08:18:05,463 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 08:18:05,463 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_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20fbdf1deafb883d59b25bfdcd58a0b89c69ce87 [2018-12-08 08:18:05,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 08:18:05,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 08:18:05,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 08:18:05,491 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 08:18:05,491 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 08:18:05,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-08 08:18:05,527 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/3c32da367/857fb9aff33243728b18ba6d8ea5dbae/FLAGcaa9a242b [2018-12-08 08:18:05,995 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 08:18:05,995 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-08 08:18:06,003 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/3c32da367/857fb9aff33243728b18ba6d8ea5dbae/FLAGcaa9a242b [2018-12-08 08:18:06,011 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/data/3c32da367/857fb9aff33243728b18ba6d8ea5dbae [2018-12-08 08:18:06,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 08:18:06,014 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 08:18:06,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 08:18:06,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 08:18:06,017 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 08:18:06,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa15e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06, skipping insertion in model container [2018-12-08 08:18:06,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 08:18:06,046 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 08:18:06,242 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:18:06,255 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 08:18:06,335 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 08:18:06,372 INFO L195 MainTranslator]: Completed translation [2018-12-08 08:18:06,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06 WrapperNode [2018-12-08 08:18:06,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 08:18:06,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 08:18:06,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 08:18:06,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 08:18:06,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... [2018-12-08 08:18:06,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 08:18:06,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 08:18:06,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 08:18:06,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 08:18:06,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 08:18:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 08:18:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 08:18:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 08:18:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 08:18:06,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 08:18:06,462 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 08:18:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 08:18:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 08:18:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 08:18:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 08:18:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 08:18:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 08:18:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 08:18:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 08:18:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 08:18:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 08:18:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 08:18:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 08:18:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 08:18:06,465 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 08:18:06,466 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 08:18:06,467 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 08:18:06,468 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 08:18:06,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 08:18:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 08:18:06,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 08:18:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 08:18:06,732 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 08:18:06,954 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 08:18:07,132 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 08:18:07,132 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 08:18:07,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:18:07 BoogieIcfgContainer [2018-12-08 08:18:07,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 08:18:07,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 08:18:07,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 08:18:07,136 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 08:18:07,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:18:06" (1/3) ... [2018-12-08 08:18:07,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ee30fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:18:07, skipping insertion in model container [2018-12-08 08:18:07,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:18:06" (2/3) ... [2018-12-08 08:18:07,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ee30fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:18:07, skipping insertion in model container [2018-12-08 08:18:07,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:18:07" (3/3) ... [2018-12-08 08:18:07,139 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2_false-valid-memtrack_true-termination.i [2018-12-08 08:18:07,147 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 08:18:07,154 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-08 08:18:07,167 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-08 08:18:07,188 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 08:18:07,189 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 08:18:07,189 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 08:18:07,189 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 08:18:07,189 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 08:18:07,189 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 08:18:07,189 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 08:18:07,189 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 08:18:07,189 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 08:18:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-12-08 08:18:07,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:18:07,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:07,210 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:07,212 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:07,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:07,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1338616665, now seen corresponding path program 1 times [2018-12-08 08:18:07,220 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:07,220 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:07,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:07,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:07,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:18:07,325 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:18:07,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:18:07,329 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 08:18:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:07,359 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:07,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:07,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:18:07,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:18:07,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:18:07,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:07,374 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 5 states. [2018-12-08 08:18:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:07,508 INFO L93 Difference]: Finished difference Result 74 states and 81 transitions. [2018-12-08 08:18:07,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:18:07,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-08 08:18:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:07,518 INFO L225 Difference]: With dead ends: 74 [2018-12-08 08:18:07,518 INFO L226 Difference]: Without dead ends: 71 [2018-12-08 08:18:07,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:07,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-08 08:18:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 65. [2018-12-08 08:18:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 08:18:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2018-12-08 08:18:07,544 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 17 [2018-12-08 08:18:07,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:07,545 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2018-12-08 08:18:07,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:18:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2018-12-08 08:18:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:18:07,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:07,545 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:07,546 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:07,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:07,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1338616666, now seen corresponding path program 1 times [2018-12-08 08:18:07,546 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:07,546 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:07,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:07,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:07,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:18:07,606 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:18:07,616 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:18:07,616 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 08:18:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:07,655 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:07,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:07,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:18:07,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 08:18:07,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 08:18:07,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 08:18:07,658 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 6 states. [2018-12-08 08:18:07,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:07,796 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2018-12-08 08:18:07,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 08:18:07,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-12-08 08:18:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:07,798 INFO L225 Difference]: With dead ends: 70 [2018-12-08 08:18:07,798 INFO L226 Difference]: Without dead ends: 70 [2018-12-08 08:18:07,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:18:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-08 08:18:07,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2018-12-08 08:18:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-08 08:18:07,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-12-08 08:18:07,803 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 17 [2018-12-08 08:18:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:07,803 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-12-08 08:18:07,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 08:18:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-12-08 08:18:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 08:18:07,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:07,804 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:07,804 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:07,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:07,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1367245816, now seen corresponding path program 1 times [2018-12-08 08:18:07,805 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:07,805 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:07,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:07,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:07,866 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:07,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:07,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:18:07,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:18:07,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:18:07,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:07,868 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 5 states. [2018-12-08 08:18:07,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:07,882 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-08 08:18:07,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:18:07,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-08 08:18:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:07,883 INFO L225 Difference]: With dead ends: 64 [2018-12-08 08:18:07,883 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 08:18:07,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:07,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 08:18:07,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-08 08:18:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 08:18:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2018-12-08 08:18:07,887 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17 [2018-12-08 08:18:07,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:07,887 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2018-12-08 08:18:07,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:18:07,887 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2018-12-08 08:18:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 08:18:07,887 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:07,887 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:07,888 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:07,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:07,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1948697336, now seen corresponding path program 1 times [2018-12-08 08:18:07,888 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:07,888 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:07,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:07,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:07,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:07,941 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:07,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:07,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 08:18:07,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 08:18:07,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 08:18:07,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:07,943 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 5 states. [2018-12-08 08:18:07,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:07,959 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2018-12-08 08:18:07,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 08:18:07,960 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-08 08:18:07,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:07,961 INFO L225 Difference]: With dead ends: 64 [2018-12-08 08:18:07,961 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 08:18:07,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:07,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 08:18:07,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-08 08:18:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 08:18:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-08 08:18:07,965 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 22 [2018-12-08 08:18:07,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:07,966 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-08 08:18:07,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 08:18:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-08 08:18:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 08:18:07,966 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:07,966 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:07,967 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:07,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:07,967 INFO L82 PathProgramCache]: Analyzing trace with hash 151745977, now seen corresponding path program 1 times [2018-12-08 08:18:07,967 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:07,967 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:07,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:08,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:08,021 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:08,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:08,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 08:18:08,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 08:18:08,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 08:18:08,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:18:08,022 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 3 states. [2018-12-08 08:18:08,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:08,073 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-12-08 08:18:08,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 08:18:08,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-12-08 08:18:08,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:08,075 INFO L225 Difference]: With dead ends: 68 [2018-12-08 08:18:08,075 INFO L226 Difference]: Without dead ends: 58 [2018-12-08 08:18:08,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 08:18:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-08 08:18:08,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-08 08:18:08,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-08 08:18:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2018-12-08 08:18:08,078 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 22 [2018-12-08 08:18:08,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:08,079 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2018-12-08 08:18:08,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 08:18:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-12-08 08:18:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 08:18:08,079 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:08,080 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:08,080 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:08,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:08,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1221069421, now seen corresponding path program 1 times [2018-12-08 08:18:08,080 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:08,081 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:08,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:08,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:08,170 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:08,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:08,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 08:18:08,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 08:18:08,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 08:18:08,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 08:18:08,172 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 4 states. [2018-12-08 08:18:08,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:08,198 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-08 08:18:08,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 08:18:08,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-12-08 08:18:08,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:08,200 INFO L225 Difference]: With dead ends: 61 [2018-12-08 08:18:08,200 INFO L226 Difference]: Without dead ends: 59 [2018-12-08 08:18:08,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 08:18:08,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-08 08:18:08,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-12-08 08:18:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-08 08:18:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2018-12-08 08:18:08,204 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 32 [2018-12-08 08:18:08,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:08,204 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2018-12-08 08:18:08,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 08:18:08,204 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-12-08 08:18:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 08:18:08,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:08,205 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:08,205 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:08,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:08,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1332713730, now seen corresponding path program 1 times [2018-12-08 08:18:08,206 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:08,206 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:08,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:08,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:08,289 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 08:18:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:08,342 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:08,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-12-08 08:18:08,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 08:18:08,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 08:18:08,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:18:08,343 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 8 states. [2018-12-08 08:18:08,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:08,458 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2018-12-08 08:18:08,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 08:18:08,458 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-12-08 08:18:08,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:08,459 INFO L225 Difference]: With dead ends: 66 [2018-12-08 08:18:08,459 INFO L226 Difference]: Without dead ends: 62 [2018-12-08 08:18:08,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-12-08 08:18:08,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-08 08:18:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-12-08 08:18:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-08 08:18:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-12-08 08:18:08,461 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 33 [2018-12-08 08:18:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:08,462 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-12-08 08:18:08,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 08:18:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-12-08 08:18:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 08:18:08,462 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:08,462 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:08,463 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:08,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:08,463 INFO L82 PathProgramCache]: Analyzing trace with hash -641935021, now seen corresponding path program 2 times [2018-12-08 08:18:08,463 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:08,463 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:08,484 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-08 08:18:08,537 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-08 08:18:08,537 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:18:08,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:08,543 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:18:08,544 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:18:08,545 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:18:08,545 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 08:18:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 08:18:08,643 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:08,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:08,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-08 08:18:08,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 08:18:08,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 08:18:08,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:18:08,645 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 13 states. [2018-12-08 08:18:09,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:09,152 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-12-08 08:18:09,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 08:18:09,153 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-12-08 08:18:09,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:09,154 INFO L225 Difference]: With dead ends: 61 [2018-12-08 08:18:09,154 INFO L226 Difference]: Without dead ends: 61 [2018-12-08 08:18:09,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-08 08:18:09,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-08 08:18:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-08 08:18:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-08 08:18:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2018-12-08 08:18:09,156 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 36 [2018-12-08 08:18:09,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:09,156 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2018-12-08 08:18:09,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 08:18:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-12-08 08:18:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 08:18:09,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:09,157 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:09,157 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:09,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:09,158 INFO L82 PathProgramCache]: Analyzing trace with hash -641935020, now seen corresponding path program 1 times [2018-12-08 08:18:09,158 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:09,158 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:09,172 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:18:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:09,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:09,268 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 08:18:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:09,400 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:09,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-12-08 08:18:09,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 08:18:09,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 08:18:09,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-12-08 08:18:09,401 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 14 states. [2018-12-08 08:18:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:09,886 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-12-08 08:18:09,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 08:18:09,887 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 36 [2018-12-08 08:18:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:09,887 INFO L225 Difference]: With dead ends: 71 [2018-12-08 08:18:09,888 INFO L226 Difference]: Without dead ends: 67 [2018-12-08 08:18:09,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2018-12-08 08:18:09,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-08 08:18:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-08 08:18:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-08 08:18:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2018-12-08 08:18:09,890 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 36 [2018-12-08 08:18:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:09,890 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2018-12-08 08:18:09,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 08:18:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-12-08 08:18:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 08:18:09,891 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:09,891 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:09,891 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:09,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:09,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1438804724, now seen corresponding path program 2 times [2018-12-08 08:18:09,892 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:09,892 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:09,906 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-08 08:18:09,960 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-08 08:18:09,960 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:18:09,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:09,968 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:18:09,969 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:18:09,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:18:09,974 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 08:18:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-08 08:18:10,106 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:10,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:10,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-08 08:18:10,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 08:18:10,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 08:18:10,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:18:10,109 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 13 states. [2018-12-08 08:18:10,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:10,627 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-12-08 08:18:10,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 08:18:10,627 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-12-08 08:18:10,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:10,628 INFO L225 Difference]: With dead ends: 66 [2018-12-08 08:18:10,628 INFO L226 Difference]: Without dead ends: 66 [2018-12-08 08:18:10,628 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-12-08 08:18:10,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-08 08:18:10,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-12-08 08:18:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-12-08 08:18:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2018-12-08 08:18:10,630 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 42 [2018-12-08 08:18:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:10,630 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2018-12-08 08:18:10,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 08:18:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2018-12-08 08:18:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 08:18:10,631 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:10,631 INFO L402 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:10,631 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:10,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:10,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1958675636, now seen corresponding path program 1 times [2018-12-08 08:18:10,631 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:10,631 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:10,647 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:18:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:10,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:10,819 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 08:18:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 08:18:11,263 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 08:18:11,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-12-08 08:18:11,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-12-08 08:18:11,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-12-08 08:18:11,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2018-12-08 08:18:11,264 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand 26 states. [2018-12-08 08:18:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:12,264 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2018-12-08 08:18:12,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 08:18:12,265 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 47 [2018-12-08 08:18:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:12,265 INFO L225 Difference]: With dead ends: 76 [2018-12-08 08:18:12,266 INFO L226 Difference]: Without dead ends: 72 [2018-12-08 08:18:12,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=278, Invalid=652, Unknown=0, NotChecked=0, Total=930 [2018-12-08 08:18:12,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-08 08:18:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-08 08:18:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-08 08:18:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-12-08 08:18:12,269 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 47 [2018-12-08 08:18:12,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:12,269 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-12-08 08:18:12,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-12-08 08:18:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-12-08 08:18:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 08:18:12,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:12,271 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:12,271 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:12,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:12,271 INFO L82 PathProgramCache]: Analyzing trace with hash 558640916, now seen corresponding path program 2 times [2018-12-08 08:18:12,272 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:12,272 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:12,286 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-12-08 08:18:12,344 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-08 08:18:12,345 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 08:18:12,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:12,351 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:18:12,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:18:12,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:18:12,353 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-08 08:18:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 08:18:12,469 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:12,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:12,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-08 08:18:12,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 08:18:12,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 08:18:12,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:18:12,472 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 13 states. [2018-12-08 08:18:12,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:12,994 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2018-12-08 08:18:12,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 08:18:12,994 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-12-08 08:18:12,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:12,995 INFO L225 Difference]: With dead ends: 70 [2018-12-08 08:18:12,995 INFO L226 Difference]: Without dead ends: 70 [2018-12-08 08:18:12,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-08 08:18:12,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-08 08:18:12,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-12-08 08:18:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-08 08:18:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2018-12-08 08:18:12,997 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 53 [2018-12-08 08:18:12,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:12,998 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2018-12-08 08:18:12,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 08:18:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-12-08 08:18:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 08:18:12,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:12,999 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:12,999 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:12,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:12,999 INFO L82 PathProgramCache]: Analyzing trace with hash 558640917, now seen corresponding path program 1 times [2018-12-08 08:18:12,999 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:13,000 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:13,024 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 08:18:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:13,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:13,204 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-08 08:18:13,204 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 08:18:13,209 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 08:18:13,209 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-08 08:18:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 08:18:13,365 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:13,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:13,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-08 08:18:13,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 08:18:13,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 08:18:13,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-12-08 08:18:13,368 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 13 states. [2018-12-08 08:18:13,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:13,841 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-12-08 08:18:13,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 08:18:13,841 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 53 [2018-12-08 08:18:13,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:13,842 INFO L225 Difference]: With dead ends: 68 [2018-12-08 08:18:13,842 INFO L226 Difference]: Without dead ends: 68 [2018-12-08 08:18:13,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2018-12-08 08:18:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-08 08:18:13,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-08 08:18:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-08 08:18:13,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2018-12-08 08:18:13,844 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 53 [2018-12-08 08:18:13,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:13,845 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2018-12-08 08:18:13,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 08:18:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-12-08 08:18:13,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 08:18:13,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:13,845 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:13,846 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:13,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:13,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1168406799, now seen corresponding path program 1 times [2018-12-08 08:18:13,846 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:13,846 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:13,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:13,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 08:18:13,924 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:13,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:13,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 08:18:13,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 08:18:13,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 08:18:13,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 08:18:13,925 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 7 states. [2018-12-08 08:18:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:13,959 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2018-12-08 08:18:13,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 08:18:13,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 08:18:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:13,960 INFO L225 Difference]: With dead ends: 70 [2018-12-08 08:18:13,960 INFO L226 Difference]: Without dead ends: 68 [2018-12-08 08:18:13,960 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-08 08:18:13,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-08 08:18:13,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-08 08:18:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-08 08:18:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2018-12-08 08:18:13,962 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 51 [2018-12-08 08:18:13,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:13,962 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2018-12-08 08:18:13,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 08:18:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2018-12-08 08:18:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 08:18:13,963 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:13,963 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:13,963 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:13,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:13,963 INFO L82 PathProgramCache]: Analyzing trace with hash -794619646, now seen corresponding path program 1 times [2018-12-08 08:18:13,964 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:13,964 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:13,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 08:18:14,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 08:18:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 08:18:14,058 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 08:18:14,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 08:18:14,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 08:18:14,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 08:18:14,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 08:18:14,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 08:18:14,060 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand 9 states. [2018-12-08 08:18:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 08:18:14,116 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-12-08 08:18:14,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 08:18:14,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2018-12-08 08:18:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 08:18:14,117 INFO L225 Difference]: With dead ends: 72 [2018-12-08 08:18:14,117 INFO L226 Difference]: Without dead ends: 68 [2018-12-08 08:18:14,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-08 08:18:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-08 08:18:14,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-12-08 08:18:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-12-08 08:18:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-12-08 08:18:14,119 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 56 [2018-12-08 08:18:14,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 08:18:14,119 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-12-08 08:18:14,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 08:18:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-12-08 08:18:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 08:18:14,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 08:18:14,119 INFO L402 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 08:18:14,120 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-08 08:18:14,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 08:18:14,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1743893123, now seen corresponding path program 1 times [2018-12-08 08:18:14,120 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-08 08:18:14,120 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcd14808-e94f-4b42-afe3-c6392bcb16da/bin-2019/uautomizer/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-08 08:18:14,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 08:18:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:18:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 08:18:20,372 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 08:18:20,380 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2018-12-08 08:18:20,382 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-08 08:18:20,385 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 08:18:20,385 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-08 08:18:20,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:18:20 BoogieIcfgContainer [2018-12-08 08:18:20,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 08:18:20,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 08:18:20,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 08:18:20,391 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 08:18:20,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:18:07" (3/4) ... [2018-12-08 08:18:20,393 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 08:18:20,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 08:18:20,394 INFO L168 Benchmark]: Toolchain (without parser) took 14380.24 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -99.0 MB). Peak memory consumption was 211.9 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:20,394 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:18:20,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:20,395 INFO L168 Benchmark]: Boogie Preprocessor took 52.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:18:20,395 INFO L168 Benchmark]: RCFGBuilder took 707.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.5 MB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:20,395 INFO L168 Benchmark]: TraceAbstraction took 13257.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 978.5 MB in the beginning and 1.0 GB in the end (delta: -58.5 MB). Peak memory consumption was 128.1 MB. Max. memory is 11.5 GB. [2018-12-08 08:18:20,395 INFO L168 Benchmark]: Witness Printer took 2.53 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 08:18:20,397 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -153.1 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 707.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.5 MB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13257.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 978.5 MB in the beginning and 1.0 GB in the end (delta: -58.5 MB). Peak memory consumption was 128.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.53 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1441]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1441. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-485990135:0}] [L1442] CALL entry_point() VAL [ldv_global_msg_list={-485990135:0}] [L1436] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-485990135:0}] [L1437] CALL, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-485990135:0}] [L1406] struct ldv_kobject *kobj; VAL [ldv_global_msg_list={-485990135:0}] [L1408] CALL, EXPR ldv_malloc(sizeof(*kobj)) VAL [\old(size)=16, ldv_global_msg_list={-485990135:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=16, \result={1:0}, ldv_global_msg_list={-485990135:0}, malloc(size)={1:0}, size=16] [L1408] RET, EXPR ldv_malloc(sizeof(*kobj)) VAL [ldv_global_msg_list={-485990135:0}, ldv_malloc(sizeof(*kobj))={1:0}] [L1408] kobj = ldv_malloc(sizeof(*kobj)) [L1409] COND FALSE !(!kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1411] FCALL memset(kobj, 0, sizeof(*kobj)) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}, memset(kobj, 0, sizeof(*kobj))={1:0}] [L1413] CALL ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1394] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1398] CALL ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1380] COND FALSE !(!kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1382] CALL ldv_kref_init(&kobj->kref) VAL [kref={1:12}, ldv_global_msg_list={-485990135:0}] [L1294] ((&kref->refcount)->counter) = (1) VAL [kref={1:12}, kref={1:12}, ldv_global_msg_list={-485990135:0}] [L1382] RET ldv_kref_init(&kobj->kref) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1383] CALL LDV_INIT_LIST_HEAD(&kobj->entry) VAL [ldv_global_msg_list={-485990135:0}, list={1:4}] [L1099] list->next = list VAL [ldv_global_msg_list={-485990135:0}, list={1:4}, list={1:4}] [L1100] list->prev = list VAL [ldv_global_msg_list={-485990135:0}, list={1:4}, list={1:4}] [L1383] RET LDV_INIT_LIST_HEAD(&kobj->entry) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1398] RET ldv_kobject_init_internal(kobj) VAL [kobj={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1413] RET ldv_kobject_init(kobj) VAL [kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1414] return kobj; VAL [\result={1:0}, kobj={1:0}, ldv_global_msg_list={-485990135:0}] [L1437] RET, EXPR ldv_kobject_create() VAL [ldv_global_msg_list={-485990135:0}, ldv_kobject_create()={1:0}] [L1437] kobj = ldv_kobject_create() [L1442] RET entry_point() VAL [ldv_global_msg_list={-485990135:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 307 locations, 67 error locations. UNSAFE Result, 13.2s OverallTime, 16 OverallIterations, 16 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 755 SDtfs, 329 SDslu, 3194 SDs, 0 SdLazy, 1892 SolverSat, 157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 510 SyntacticMatches, 11 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 601 NumberOfCodeBlocks, 571 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 632 ConstructedInterpolants, 46 QuantifiedInterpolants, 78496 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2167 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 609/741 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...