./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/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 ed29e343041979fe95e5835578848b9a30317117 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:19:09,955 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:19:09,956 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:19:09,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:19:09,965 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:19:09,966 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:19:09,967 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:19:09,968 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:19:09,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:19:09,970 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:19:09,970 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:19:09,970 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:19:09,971 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:19:09,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:19:09,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:19:09,973 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:19:09,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:19:09,975 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:19:09,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:19:09,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:19:09,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:19:09,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:19:09,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:19:09,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:19:09,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:19:09,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:19:09,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:19:09,985 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:19:09,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:19:09,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:19:09,986 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:19:09,987 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:19:09,987 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:19:09,987 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:19:09,988 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:19:09,988 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:19:09,988 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 13:19:09,998 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:19:09,998 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:19:09,999 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:19:09,999 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:19:09,999 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:19:09,999 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:19:09,999 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:19:10,000 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:19:10,000 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:19:10,000 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:19:10,000 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:19:10,001 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:19:10,001 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:19:10,001 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 13:19:10,001 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 13:19:10,001 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 13:19:10,001 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:19:10,001 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:19:10,002 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:19:10,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:19:10,002 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:19:10,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:19:10,002 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:19:10,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:19:10,002 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:19:10,003 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:19:10,003 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:19:10,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:19:10,003 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_e295f390-5949-4874-90a4-a9a9f2d2b30f/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 -> ed29e343041979fe95e5835578848b9a30317117 [2018-11-28 13:19:10,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:19:10,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:19:10,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:19:10,043 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:19:10,043 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:19:10,044 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2018-11-28 13:19:10,081 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/data/c921c4397/372665c975224397b5206708001e5f7d/FLAGc0abd4c80 [2018-11-28 13:19:10,547 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:19:10,547 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/sv-benchmarks/c/ldv-memsafety/memleaks_test4_true-valid-memsafety_true-termination.i [2018-11-28 13:19:10,558 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/data/c921c4397/372665c975224397b5206708001e5f7d/FLAGc0abd4c80 [2018-11-28 13:19:11,064 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/data/c921c4397/372665c975224397b5206708001e5f7d [2018-11-28 13:19:11,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:19:11,067 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 13:19:11,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:11,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:19:11,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:19:11,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3711ebb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11, skipping insertion in model container [2018-11-28 13:19:11,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:19:11,103 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:19:11,361 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:11,375 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:19:11,419 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:19:11,455 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:19:11,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11 WrapperNode [2018-11-28 13:19:11,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:19:11,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:19:11,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:19:11,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:19:11,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... [2018-11-28 13:19:11,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:19:11,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:19:11,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:19:11,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:19:11,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 13:19:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 13:19:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 13:19:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 13:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 13:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 13:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 13:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 13:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 13:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 13:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 13:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 13:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 13:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 13:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 13:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 13:19:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 13:19:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 13:19:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 13:19:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 13:19:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 13:19:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 13:19:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 13:19:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 13:19:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 13:19:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 13:19:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 13:19:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 13:19:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 13:19:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 13:19:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 13:19:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 13:19:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 13:19:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:19:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 13:19:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:19:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 13:19:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:19:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 13:19:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 13:19:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 13:19:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 13:19:11,875 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 13:19:12,059 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 13:19:12,264 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:19:12,264 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 13:19:12,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:12 BoogieIcfgContainer [2018-11-28 13:19:12,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:19:12,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:19:12,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:19:12,267 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:19:12,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:19:11" (1/3) ... [2018-11-28 13:19:12,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b651dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:12, skipping insertion in model container [2018-11-28 13:19:12,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:19:11" (2/3) ... [2018-11-28 13:19:12,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b651dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:19:12, skipping insertion in model container [2018-11-28 13:19:12,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:12" (3/3) ... [2018-11-28 13:19:12,269 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test4_true-valid-memsafety_true-termination.i [2018-11-28 13:19:12,275 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:19:12,280 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2018-11-28 13:19:12,288 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2018-11-28 13:19:12,303 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:19:12,303 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:19:12,303 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 13:19:12,303 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:19:12,303 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:19:12,304 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:19:12,304 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:19:12,304 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:19:12,304 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:19:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-11-28 13:19:12,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 13:19:12,321 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:12,321 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:12,323 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:12,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:12,327 INFO L82 PathProgramCache]: Analyzing trace with hash -745824316, now seen corresponding path program 1 times [2018-11-28 13:19:12,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:12,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:12,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:12,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:12,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:12,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:19:12,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:19:12,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:19:12,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,488 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 5 states. [2018-11-28 13:19:12,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:12,535 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2018-11-28 13:19:12,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:19:12,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-28 13:19:12,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:12,543 INFO L225 Difference]: With dead ends: 45 [2018-11-28 13:19:12,543 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 13:19:12,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 13:19:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2018-11-28 13:19:12,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-28 13:19:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2018-11-28 13:19:12,576 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 16 [2018-11-28 13:19:12,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:12,577 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2018-11-28 13:19:12,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:19:12,577 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2018-11-28 13:19:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 13:19:12,579 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:12,579 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:12,579 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:12,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:12,580 INFO L82 PathProgramCache]: Analyzing trace with hash 996986019, now seen corresponding path program 1 times [2018-11-28 13:19:12,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:12,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:12,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:12,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:12,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:12,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:19:12,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:19:12,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:19:12,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:19:12,621 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand 3 states. [2018-11-28 13:19:12,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:12,685 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-11-28 13:19:12,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:19:12,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-28 13:19:12,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:12,686 INFO L225 Difference]: With dead ends: 40 [2018-11-28 13:19:12,686 INFO L226 Difference]: Without dead ends: 37 [2018-11-28 13:19:12,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:19:12,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-28 13:19:12,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2018-11-28 13:19:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-28 13:19:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-11-28 13:19:12,691 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 16 [2018-11-28 13:19:12,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:12,691 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-11-28 13:19:12,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:19:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-28 13:19:12,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 13:19:12,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:12,692 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:12,692 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:12,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:12,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1366626981, now seen corresponding path program 1 times [2018-11-28 13:19:12,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:12,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:12,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:12,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:12,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:12,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:19:12,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:19:12,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:19:12,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,754 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 5 states. [2018-11-28 13:19:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:12,766 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-11-28 13:19:12,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:19:12,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-11-28 13:19:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:12,767 INFO L225 Difference]: With dead ends: 26 [2018-11-28 13:19:12,767 INFO L226 Difference]: Without dead ends: 26 [2018-11-28 13:19:12,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-28 13:19:12,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-28 13:19:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-28 13:19:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-11-28 13:19:12,771 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2018-11-28 13:19:12,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:12,771 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-11-28 13:19:12,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:19:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-11-28 13:19:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:19:12,772 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:12,772 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:12,772 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:12,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:12,772 INFO L82 PathProgramCache]: Analyzing trace with hash 584236908, now seen corresponding path program 1 times [2018-11-28 13:19:12,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:12,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:12,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:12,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:12,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:12,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:19:12,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:19:12,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:19:12,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,819 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 5 states. [2018-11-28 13:19:12,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:12,854 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-11-28 13:19:12,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:19:12,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 13:19:12,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:12,855 INFO L225 Difference]: With dead ends: 31 [2018-11-28 13:19:12,855 INFO L226 Difference]: Without dead ends: 31 [2018-11-28 13:19:12,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-28 13:19:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-28 13:19:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-28 13:19:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2018-11-28 13:19:12,858 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 21 [2018-11-28 13:19:12,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:12,859 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2018-11-28 13:19:12,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:19:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-11-28 13:19:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 13:19:12,859 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:12,859 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:12,859 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:12,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:12,860 INFO L82 PathProgramCache]: Analyzing trace with hash 612866059, now seen corresponding path program 1 times [2018-11-28 13:19:12,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:12,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:12,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:12,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:12,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:19:12,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:19:12,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:19:12,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:19:12,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,891 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 5 states. [2018-11-28 13:19:12,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:12,899 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2018-11-28 13:19:12,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:19:12,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-11-28 13:19:12,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:12,900 INFO L225 Difference]: With dead ends: 36 [2018-11-28 13:19:12,900 INFO L226 Difference]: Without dead ends: 36 [2018-11-28 13:19:12,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-28 13:19:12,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2018-11-28 13:19:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-28 13:19:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-11-28 13:19:12,904 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 21 [2018-11-28 13:19:12,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:12,905 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-11-28 13:19:12,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:19:12,905 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-11-28 13:19:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 13:19:12,905 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:12,906 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:12,906 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:12,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:12,906 INFO L82 PathProgramCache]: Analyzing trace with hash 931475325, now seen corresponding path program 1 times [2018-11-28 13:19:12,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:12,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:12,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:12,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:12,951 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:12,951 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:19:12,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:12,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:13,035 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:19:13,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2018-11-28 13:19:13,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:19:13,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:19:13,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:13,036 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2018-11-28 13:19:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:13,044 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-11-28 13:19:13,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:19:13,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-11-28 13:19:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:13,045 INFO L225 Difference]: With dead ends: 24 [2018-11-28 13:19:13,045 INFO L226 Difference]: Without dead ends: 24 [2018-11-28 13:19:13,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:19:13,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-28 13:19:13,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-28 13:19:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-28 13:19:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-11-28 13:19:13,048 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2018-11-28 13:19:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:13,048 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-11-28 13:19:13,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:19:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-11-28 13:19:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:19:13,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:13,049 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:13,049 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:13,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:13,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1189035634, now seen corresponding path program 1 times [2018-11-28 13:19:13,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:13,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:13,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:13,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:13,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:13,172 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:19:13,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:13,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:13,234 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 13:19:13,235 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,249 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-28 13:19:13,278 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:19:13,279 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:19:13,284 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-28 13:19:13,285 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,290 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-11-28 13:19:13,322 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:19:13,323 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-11-28 13:19:13,323 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 13:19:13,329 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:11 [2018-11-28 13:19:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:13,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:19:13,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 12 [2018-11-28 13:19:13,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:19:13,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:19:13,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:19:13,361 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 13 states. [2018-11-28 13:19:13,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:13,480 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-11-28 13:19:13,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:19:13,480 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2018-11-28 13:19:13,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:13,481 INFO L225 Difference]: With dead ends: 40 [2018-11-28 13:19:13,481 INFO L226 Difference]: Without dead ends: 40 [2018-11-28 13:19:13,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:19:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-28 13:19:13,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 34. [2018-11-28 13:19:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-28 13:19:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-11-28 13:19:13,485 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 23 [2018-11-28 13:19:13,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:13,485 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-11-28 13:19:13,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:19:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-11-28 13:19:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:19:13,486 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:13,486 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:13,487 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:13,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:13,487 INFO L82 PathProgramCache]: Analyzing trace with hash 553774701, now seen corresponding path program 1 times [2018-11-28 13:19:13,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:13,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:13,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:13,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:13,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:13,582 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:19:13,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:13,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:13,624 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-28 13:19:13,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,631 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:10 [2018-11-28 13:19:13,698 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:19:13,699 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-11-28 13:19:13,700 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,707 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:19:13,707 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:11 [2018-11-28 13:19:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:19:13,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:19:13,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2018-11-28 13:19:13,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:19:13,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:19:13,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:19:13,734 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 13 states. [2018-11-28 13:19:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:13,825 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-11-28 13:19:13,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:19:13,825 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 23 [2018-11-28 13:19:13,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:13,826 INFO L225 Difference]: With dead ends: 42 [2018-11-28 13:19:13,826 INFO L226 Difference]: Without dead ends: 42 [2018-11-28 13:19:13,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:19:13,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-28 13:19:13,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34. [2018-11-28 13:19:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-28 13:19:13,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-11-28 13:19:13,829 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 23 [2018-11-28 13:19:13,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:13,829 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-11-28 13:19:13,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:19:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-11-28 13:19:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-28 13:19:13,830 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:13,830 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:13,830 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:13,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:13,830 INFO L82 PathProgramCache]: Analyzing trace with hash 318516175, now seen corresponding path program 2 times [2018-11-28 13:19:13,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:13,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:13,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:13,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:13,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:13,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:13,864 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:19:13,879 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 13:19:13,897 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 13:19:13,897 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 13:19:13,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:13,944 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:19:13,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2018-11-28 13:19:13,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:19:13,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:19:13,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:19:13,944 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 8 states. [2018-11-28 13:19:13,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:13,956 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-11-28 13:19:13,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:19:13,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-28 13:19:13,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:13,959 INFO L225 Difference]: With dead ends: 27 [2018-11-28 13:19:13,959 INFO L226 Difference]: Without dead ends: 25 [2018-11-28 13:19:13,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:19:13,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-28 13:19:13,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-28 13:19:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-28 13:19:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-11-28 13:19:13,961 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 23 [2018-11-28 13:19:13,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:13,961 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-11-28 13:19:13,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:19:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-11-28 13:19:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:19:13,962 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:13,962 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:13,963 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:13,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:13,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1964916703, now seen corresponding path program 1 times [2018-11-28 13:19:13,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:13,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:13,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,968 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:19:13,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:14,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:14,197 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:19:14,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:14,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 13:19:17,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:19:17,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-28 13:19:17,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-28 13:19:17,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-28 13:19:17,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=226, Unknown=6, NotChecked=0, Total=272 [2018-11-28 13:19:17,143 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 17 states. [2018-11-28 13:19:18,158 WARN L180 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2018-11-28 13:19:19,406 WARN L180 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2018-11-28 13:19:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:19,442 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-11-28 13:19:19,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 13:19:19,443 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 26 [2018-11-28 13:19:19,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:19,443 INFO L225 Difference]: With dead ends: 33 [2018-11-28 13:19:19,443 INFO L226 Difference]: Without dead ends: 25 [2018-11-28 13:19:19,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=66, Invalid=390, Unknown=6, NotChecked=0, Total=462 [2018-11-28 13:19:19,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-28 13:19:19,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-28 13:19:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-28 13:19:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-11-28 13:19:19,445 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 26 [2018-11-28 13:19:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:19,445 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-11-28 13:19:19,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-28 13:19:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-11-28 13:19:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:19:19,445 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:19:19,445 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:19:19,446 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 13:19:19,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:19:19,446 INFO L82 PathProgramCache]: Analyzing trace with hash 533099234, now seen corresponding path program 1 times [2018-11-28 13:19:19,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:19:19,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:19:19,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:19,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:19,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:19:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:19,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:19:19,635 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:19:19,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:19:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:19:19,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:19:19,661 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-28 13:19:19,662 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 13:19:19,663 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-11-28 13:19:19,663 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 13:19:19,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:19:19,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-28 13:19:19,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-28 13:19:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-28 13:19:23,074 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:19:23,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-11-28 13:19:23,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-28 13:19:23,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-28 13:19:23,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=384, Unknown=10, NotChecked=0, Total=462 [2018-11-28 13:19:23,075 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 22 states. [2018-11-28 13:19:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:19:26,388 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-11-28 13:19:26,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 13:19:26,389 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2018-11-28 13:19:26,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:19:26,389 INFO L225 Difference]: With dead ends: 24 [2018-11-28 13:19:26,389 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:19:26,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=130, Invalid=672, Unknown=10, NotChecked=0, Total=812 [2018-11-28 13:19:26,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:19:26,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:19:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:19:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:19:26,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-28 13:19:26,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:19:26,391 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:19:26,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-28 13:19:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:19:26,391 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:19:26,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:19:26 BoogieIcfgContainer [2018-11-28 13:19:26,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:19:26,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:19:26,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:19:26,396 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:19:26,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:19:12" (3/4) ... [2018-11-28 13:19:26,399 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2018-11-28 13:19:26,404 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2018-11-28 13:19:26,405 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2018-11-28 13:19:26,406 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2018-11-28 13:19:26,407 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2018-11-28 13:19:26,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-11-28 13:19:26,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-28 13:19:26,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:19:26,411 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:19:26,412 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:19:26,452 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e295f390-5949-4874-90a4-a9a9f2d2b30f/bin-2019/uautomizer/witness.graphml [2018-11-28 13:19:26,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:19:26,453 INFO L168 Benchmark]: Toolchain (without parser) took 15385.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 954.9 MB in the beginning and 859.8 MB in the end (delta: 95.1 MB). Peak memory consumption was 322.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:26,453 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:19:26,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:26,454 INFO L168 Benchmark]: Boogie Preprocessor took 62.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:26,454 INFO L168 Benchmark]: RCFGBuilder took 746.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:26,454 INFO L168 Benchmark]: TraceAbstraction took 14130.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 864.8 MB in the end (delta: 154.2 MB). Peak memory consumption was 229.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:26,455 INFO L168 Benchmark]: Witness Printer took 56.62 ms. Allocated memory is still 1.3 GB. Free memory was 864.8 MB in the beginning and 859.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:19:26,456 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 387.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 746.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14130.58 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 864.8 MB in the end (delta: 154.2 MB). Peak memory consumption was 229.2 MB. Max. memory is 11.5 GB. * Witness Printer took 56.62 ms. Allocated memory is still 1.3 GB. Free memory was 864.8 MB in the beginning and 859.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1294]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1294]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1121]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1121]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1411]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1411]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1179]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1157]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1156]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1157]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1258]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1258]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1256]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1256]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1115]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1116]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1116]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1115]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1340]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1344]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1339]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1339]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1344]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1340]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1163]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1164]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1163]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1163]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1164]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1442]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1100]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1100]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1099]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1099]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1131]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1110]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1107]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1110]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1108]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1108]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1109]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1109]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1107]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1198]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1198]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1267]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1267]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1265]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1265]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1126]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1126]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1193]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1193]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1437]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1437]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1438]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1438]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1146]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1146]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 71 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 318 locations, 71 error locations. SAFE Result, 14.0s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 284 SDtfs, 94 SDslu, 830 SDs, 0 SdLazy, 793 SolverSat, 79 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 129 SyntacticMatches, 10 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 46 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 363 ConstructedInterpolants, 14 QuantifiedInterpolants, 50830 SizeOfPredicates, 14 NumberOfNonLiveVariables, 735 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 40/60 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...