./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 2e43c76eef4a87266f6a401a44aa5422f52ed742 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 19:25:41,815 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:25:41,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:25:41,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:25:41,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:25:41,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:25:41,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:25:41,848 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:25:41,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:25:41,856 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:25:41,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:25:41,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:25:41,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:25:41,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:25:41,865 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:25:41,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:25:41,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:25:41,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:25:41,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:25:41,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:25:41,886 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:25:41,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:25:41,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:25:41,894 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:25:41,894 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:25:41,896 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:25:41,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:25:41,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:25:41,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:25:41,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:25:41,905 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:25:41,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:25:41,906 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:25:41,906 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:25:41,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:25:41,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:25:41,910 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:25:41,938 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:25:41,938 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:25:41,940 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:25:41,941 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:25:41,941 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:25:41,941 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:25:41,941 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:25:41,942 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:25:41,943 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:25:41,943 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:25:41,943 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:25:41,944 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:25:41,944 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:25:41,944 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:25:41,944 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:25:41,944 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:25:41,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:25:41,945 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:25:41,945 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:25:41,945 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:25:41,945 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:25:41,945 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:25:41,946 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:25:41,948 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:25:41,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:25:41,949 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 2e43c76eef4a87266f6a401a44aa5422f52ed742 [2019-01-14 19:25:41,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:25:42,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:25:42,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:25:42,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:25:42,013 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:25:42,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i [2019-01-14 19:25:42,069 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed7fd1c8/f2170a27391145a99e28e292d041738a/FLAG47475f1eb [2019-01-14 19:25:42,551 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:25:42,552 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i [2019-01-14 19:25:42,568 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed7fd1c8/f2170a27391145a99e28e292d041738a/FLAG47475f1eb [2019-01-14 19:25:42,847 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ed7fd1c8/f2170a27391145a99e28e292d041738a [2019-01-14 19:25:42,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:25:42,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:25:42,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:25:42,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:25:42,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:25:42,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:25:42" (1/1) ... [2019-01-14 19:25:42,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3015b02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:42, skipping insertion in model container [2019-01-14 19:25:42,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:25:42" (1/1) ... [2019-01-14 19:25:42,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:25:42,931 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:25:43,419 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:25:43,442 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:25:43,597 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:25:43,683 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:25:43,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43 WrapperNode [2019-01-14 19:25:43,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:25:43,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:25:43,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:25:43,684 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:25:43,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... [2019-01-14 19:25:43,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... [2019-01-14 19:25:43,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... [2019-01-14 19:25:43,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... [2019-01-14 19:25:43,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... [2019-01-14 19:25:43,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... [2019-01-14 19:25:43,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... [2019-01-14 19:25:43,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:25:43,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:25:43,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:25:43,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:25:43,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 19:25:43,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:25:43,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:25:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:25:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-14 19:25:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-14 19:25:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-14 19:25:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-14 19:25:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-14 19:25:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-14 19:25:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:25:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-14 19:25:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-14 19:25:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-14 19:25:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-14 19:25:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-14 19:25:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-14 19:25:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-14 19:25:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-14 19:25:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-14 19:25:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-14 19:25:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-14 19:25:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-14 19:25:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 19:25:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-14 19:25:43,888 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2019-01-14 19:25:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2019-01-14 19:25:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-14 19:25:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:25:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-14 19:25:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-14 19:25:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-14 19:25:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-14 19:25:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-14 19:25:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 19:25:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 19:25:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 19:25:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 19:25:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 19:25:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 19:25:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 19:25:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 19:25:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 19:25:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 19:25:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 19:25:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 19:25:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 19:25:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 19:25:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 19:25:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 19:25:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 19:25:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 19:25:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 19:25:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 19:25:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 19:25:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 19:25:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 19:25:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 19:25:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 19:25:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 19:25:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 19:25:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 19:25:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 19:25:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 19:25:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 19:25:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 19:25:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 19:25:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 19:25:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 19:25:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 19:25:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 19:25:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 19:25:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 19:25:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 19:25:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 19:25:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 19:25:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 19:25:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 19:25:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-14 19:25:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 19:25:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-14 19:25:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-14 19:25:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-14 19:25:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-14 19:25:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-14 19:25:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-14 19:25:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2019-01-14 19:25:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-14 19:25:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-14 19:25:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-14 19:25:44,626 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:25:45,251 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 19:25:46,008 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:25:46,008 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 19:25:46,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:25:46 BoogieIcfgContainer [2019-01-14 19:25:46,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:25:46,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:25:46,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:25:46,014 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:25:46,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:25:42" (1/3) ... [2019-01-14 19:25:46,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8e9a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:25:46, skipping insertion in model container [2019-01-14 19:25:46,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:25:43" (2/3) ... [2019-01-14 19:25:46,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8e9a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:25:46, skipping insertion in model container [2019-01-14 19:25:46,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:25:46" (3/3) ... [2019-01-14 19:25:46,018 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2_true-valid-memsafety_true-termination.i [2019-01-14 19:25:46,028 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:25:46,037 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2019-01-14 19:25:46,055 INFO L257 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2019-01-14 19:25:46,082 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:25:46,083 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:25:46,083 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:25:46,084 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:25:46,084 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:25:46,084 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:25:46,084 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:25:46,084 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:25:46,084 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:25:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2019-01-14 19:25:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-14 19:25:46,128 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:46,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:46,132 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:46,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:46,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1214056567, now seen corresponding path program 1 times [2019-01-14 19:25:46,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:46,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:46,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:46,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:46,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:46,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:46,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:25:46,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:46,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:46,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:46,679 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 5 states. [2019-01-14 19:25:47,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:47,260 INFO L93 Difference]: Finished difference Result 93 states and 105 transitions. [2019-01-14 19:25:47,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:47,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-14 19:25:47,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:47,276 INFO L225 Difference]: With dead ends: 93 [2019-01-14 19:25:47,276 INFO L226 Difference]: Without dead ends: 90 [2019-01-14 19:25:47,278 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:47,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-01-14 19:25:47,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2019-01-14 19:25:47,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-01-14 19:25:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-01-14 19:25:47,328 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 22 [2019-01-14 19:25:47,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:47,329 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-01-14 19:25:47,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-01-14 19:25:47,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-14 19:25:47,331 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:47,331 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:47,332 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:47,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:47,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1214056568, now seen corresponding path program 1 times [2019-01-14 19:25:47,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:47,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:47,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:47,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:47,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:47,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:47,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-14 19:25:47,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 19:25:47,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 19:25:47,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-01-14 19:25:47,759 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 10 states. [2019-01-14 19:25:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:48,169 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2019-01-14 19:25:48,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-14 19:25:48,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2019-01-14 19:25:48,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:48,173 INFO L225 Difference]: With dead ends: 96 [2019-01-14 19:25:48,174 INFO L226 Difference]: Without dead ends: 96 [2019-01-14 19:25:48,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2019-01-14 19:25:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-01-14 19:25:48,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 88. [2019-01-14 19:25:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-01-14 19:25:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions. [2019-01-14 19:25:48,189 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 22 [2019-01-14 19:25:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:48,191 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 100 transitions. [2019-01-14 19:25:48,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 19:25:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2019-01-14 19:25:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-14 19:25:48,192 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:48,192 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:48,193 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:48,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:48,193 INFO L82 PathProgramCache]: Analyzing trace with hash 2101560248, now seen corresponding path program 1 times [2019-01-14 19:25:48,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:48,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:48,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:48,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:48,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:48,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:25:48,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:48,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:48,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:48,304 INFO L87 Difference]: Start difference. First operand 88 states and 100 transitions. Second operand 5 states. [2019-01-14 19:25:48,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:48,351 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2019-01-14 19:25:48,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:48,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-14 19:25:48,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:48,354 INFO L225 Difference]: With dead ends: 87 [2019-01-14 19:25:48,354 INFO L226 Difference]: Without dead ends: 87 [2019-01-14 19:25:48,355 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 [2019-01-14 19:25:48,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-01-14 19:25:48,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2019-01-14 19:25:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-01-14 19:25:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2019-01-14 19:25:48,365 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 22 [2019-01-14 19:25:48,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:48,365 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2019-01-14 19:25:48,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2019-01-14 19:25:48,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:25:48,367 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:48,368 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:48,368 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:48,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:48,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1018125251, now seen corresponding path program 1 times [2019-01-14 19:25:48,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:48,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:48,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:48,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:48,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:48,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:25:48,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:48,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:48,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:48,610 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 5 states. [2019-01-14 19:25:48,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:48,659 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2019-01-14 19:25:48,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:48,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-14 19:25:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:48,665 INFO L225 Difference]: With dead ends: 87 [2019-01-14 19:25:48,665 INFO L226 Difference]: Without dead ends: 87 [2019-01-14 19:25:48,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-01-14 19:25:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2019-01-14 19:25:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-01-14 19:25:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions. [2019-01-14 19:25:48,683 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 23 [2019-01-14 19:25:48,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:48,683 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions. [2019-01-14 19:25:48,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2019-01-14 19:25:48,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-14 19:25:48,691 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:48,691 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:48,692 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:48,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:48,693 INFO L82 PathProgramCache]: Analyzing trace with hash 724685084, now seen corresponding path program 1 times [2019-01-14 19:25:48,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:48,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:48,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:48,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:48,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:48,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 19:25:48,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:25:48,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:25:48,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:25:48,830 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand 3 states. [2019-01-14 19:25:48,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:48,960 INFO L93 Difference]: Finished difference Result 123 states and 136 transitions. [2019-01-14 19:25:48,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:25:48,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2019-01-14 19:25:48,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:48,963 INFO L225 Difference]: With dead ends: 123 [2019-01-14 19:25:48,963 INFO L226 Difference]: Without dead ends: 118 [2019-01-14 19:25:48,964 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 [2019-01-14 19:25:48,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-01-14 19:25:48,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 83. [2019-01-14 19:25:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-14 19:25:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2019-01-14 19:25:48,977 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 23 [2019-01-14 19:25:48,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:48,979 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2019-01-14 19:25:48,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:25:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2019-01-14 19:25:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-14 19:25:48,981 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:48,981 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:48,981 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:48,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:48,982 INFO L82 PathProgramCache]: Analyzing trace with hash 39984923, now seen corresponding path program 1 times [2019-01-14 19:25:48,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:48,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:48,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:48,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:49,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:49,193 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 19:25:49,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:49,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:49,332 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 [2019-01-14 19:25:49,334 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:49,346 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:49,347 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-01-14 19:25:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:49,520 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:49,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-01-14 19:25:49,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 19:25:49,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 19:25:49,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-01-14 19:25:49,521 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand 10 states. [2019-01-14 19:25:50,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:50,079 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2019-01-14 19:25:50,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-14 19:25:50,081 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2019-01-14 19:25:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:50,083 INFO L225 Difference]: With dead ends: 83 [2019-01-14 19:25:50,083 INFO L226 Difference]: Without dead ends: 83 [2019-01-14 19:25:50,084 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-14 19:25:50,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-01-14 19:25:50,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2019-01-14 19:25:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-01-14 19:25:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2019-01-14 19:25:50,096 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 25 [2019-01-14 19:25:50,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:50,098 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2019-01-14 19:25:50,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 19:25:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2019-01-14 19:25:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-14 19:25:50,100 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:50,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:50,101 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:50,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:50,101 INFO L82 PathProgramCache]: Analyzing trace with hash -339403426, now seen corresponding path program 1 times [2019-01-14 19:25:50,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:50,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:50,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:50,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:50,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:50,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:50,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:25:50,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-14 19:25:50,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-14 19:25:50,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:25:50,214 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 6 states. [2019-01-14 19:25:50,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:50,764 INFO L93 Difference]: Finished difference Result 136 states and 151 transitions. [2019-01-14 19:25:50,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 19:25:50,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-01-14 19:25:50,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:50,766 INFO L225 Difference]: With dead ends: 136 [2019-01-14 19:25:50,766 INFO L226 Difference]: Without dead ends: 136 [2019-01-14 19:25:50,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:25:50,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-01-14 19:25:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 106. [2019-01-14 19:25:50,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-14 19:25:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 126 transitions. [2019-01-14 19:25:50,776 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 126 transitions. Word has length 35 [2019-01-14 19:25:50,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:50,778 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 126 transitions. [2019-01-14 19:25:50,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-14 19:25:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2019-01-14 19:25:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-14 19:25:50,780 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:50,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:50,781 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:50,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:50,781 INFO L82 PathProgramCache]: Analyzing trace with hash -339403425, now seen corresponding path program 1 times [2019-01-14 19:25:50,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:50,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:50,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:50,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:50,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 19:25:51,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:51,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-14 19:25:51,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-14 19:25:51,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-14 19:25:51,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-14 19:25:51,067 INFO L87 Difference]: Start difference. First operand 106 states and 126 transitions. Second operand 7 states. [2019-01-14 19:25:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:51,164 INFO L93 Difference]: Finished difference Result 144 states and 172 transitions. [2019-01-14 19:25:51,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-14 19:25:51,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2019-01-14 19:25:51,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:51,167 INFO L225 Difference]: With dead ends: 144 [2019-01-14 19:25:51,168 INFO L226 Difference]: Without dead ends: 141 [2019-01-14 19:25:51,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-14 19:25:51,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-01-14 19:25:51,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 107. [2019-01-14 19:25:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-14 19:25:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 127 transitions. [2019-01-14 19:25:51,175 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 127 transitions. Word has length 35 [2019-01-14 19:25:51,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:51,176 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 127 transitions. [2019-01-14 19:25:51,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-14 19:25:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 127 transitions. [2019-01-14 19:25:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-14 19:25:51,177 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:51,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:51,180 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:51,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:51,182 INFO L82 PathProgramCache]: Analyzing trace with hash 122460575, now seen corresponding path program 1 times [2019-01-14 19:25:51,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:51,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:51,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:51,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:51,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 19:25:51,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:51,503 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 19:25:51,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:51,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:51,905 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| Int)) (= |c_#valid| (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| 1))) is different from true [2019-01-14 19:25:51,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2019-01-14 19:25:51,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:51,923 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. [2019-01-14 19:25:51,924 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-14 19:25:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:51,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-14 19:25:51,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2019-01-14 19:25:51,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-14 19:25:51,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-14 19:25:51,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=57, Unknown=1, NotChecked=14, Total=90 [2019-01-14 19:25:51,957 INFO L87 Difference]: Start difference. First operand 107 states and 127 transitions. Second operand 10 states. [2019-01-14 19:25:52,807 WARN L181 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2019-01-14 19:25:53,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:53,478 INFO L93 Difference]: Finished difference Result 165 states and 189 transitions. [2019-01-14 19:25:53,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-14 19:25:53,480 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2019-01-14 19:25:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:53,484 INFO L225 Difference]: With dead ends: 165 [2019-01-14 19:25:53,484 INFO L226 Difference]: Without dead ends: 165 [2019-01-14 19:25:53,485 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=189, Unknown=1, NotChecked=28, Total=272 [2019-01-14 19:25:53,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-01-14 19:25:53,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 111. [2019-01-14 19:25:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-01-14 19:25:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 133 transitions. [2019-01-14 19:25:53,494 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 133 transitions. Word has length 35 [2019-01-14 19:25:53,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:53,495 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 133 transitions. [2019-01-14 19:25:53,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-14 19:25:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 133 transitions. [2019-01-14 19:25:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-14 19:25:53,496 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:53,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:53,499 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:53,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:53,500 INFO L82 PathProgramCache]: Analyzing trace with hash 122460576, now seen corresponding path program 1 times [2019-01-14 19:25:53,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:53,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:53,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:53,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:53,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:54,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:54,562 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 19:25:54,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:54,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:54,812 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:54,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2019-01-14 19:25:54,815 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:54,831 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:54,832 INFO L701 Elim1Store]: detected not equals via solver [2019-01-14 19:25:54,832 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2019-01-14 19:25:54,833 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:25:54,846 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:25:54,847 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2019-01-14 19:25:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:54,915 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:54,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8] total 20 [2019-01-14 19:25:54,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-01-14 19:25:54,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-01-14 19:25:54,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:25:54,917 INFO L87 Difference]: Start difference. First operand 111 states and 133 transitions. Second operand 21 states. [2019-01-14 19:25:57,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:57,875 INFO L93 Difference]: Finished difference Result 264 states and 304 transitions. [2019-01-14 19:25:57,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-01-14 19:25:57,878 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 35 [2019-01-14 19:25:57,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:57,881 INFO L225 Difference]: With dead ends: 264 [2019-01-14 19:25:57,881 INFO L226 Difference]: Without dead ends: 264 [2019-01-14 19:25:57,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=171, Invalid=1235, Unknown=0, NotChecked=0, Total=1406 [2019-01-14 19:25:57,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-01-14 19:25:57,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 146. [2019-01-14 19:25:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-01-14 19:25:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 189 transitions. [2019-01-14 19:25:57,895 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 189 transitions. Word has length 35 [2019-01-14 19:25:57,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:57,895 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 189 transitions. [2019-01-14 19:25:57,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-01-14 19:25:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 189 transitions. [2019-01-14 19:25:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-14 19:25:57,899 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:57,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:57,900 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:57,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:57,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1720451116, now seen corresponding path program 1 times [2019-01-14 19:25:57,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:57,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:57,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:57,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:57,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-14 19:25:58,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:58,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-14 19:25:58,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-14 19:25:58,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 19:25:58,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:58,082 INFO L87 Difference]: Start difference. First operand 146 states and 189 transitions. Second operand 5 states. [2019-01-14 19:25:58,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:58,114 INFO L93 Difference]: Finished difference Result 168 states and 217 transitions. [2019-01-14 19:25:58,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-14 19:25:58,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-01-14 19:25:58,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:58,117 INFO L225 Difference]: With dead ends: 168 [2019-01-14 19:25:58,117 INFO L226 Difference]: Without dead ends: 168 [2019-01-14 19:25:58,118 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-14 19:25:58,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2019-01-14 19:25:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 150. [2019-01-14 19:25:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-01-14 19:25:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 192 transitions. [2019-01-14 19:25:58,128 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 192 transitions. Word has length 37 [2019-01-14 19:25:58,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:58,129 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 192 transitions. [2019-01-14 19:25:58,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-14 19:25:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 192 transitions. [2019-01-14 19:25:58,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-14 19:25:58,130 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:58,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:58,133 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:58,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:58,136 INFO L82 PathProgramCache]: Analyzing trace with hash -831705845, now seen corresponding path program 1 times [2019-01-14 19:25:58,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:58,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:58,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:58,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:58,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-01-14 19:25:58,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:25:58,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-14 19:25:58,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 19:25:58,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 19:25:58,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 19:25:58,214 INFO L87 Difference]: Start difference. First operand 150 states and 192 transitions. Second operand 4 states. [2019-01-14 19:25:58,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:25:58,291 INFO L93 Difference]: Finished difference Result 163 states and 205 transitions. [2019-01-14 19:25:58,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-14 19:25:58,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-01-14 19:25:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:25:58,295 INFO L225 Difference]: With dead ends: 163 [2019-01-14 19:25:58,295 INFO L226 Difference]: Without dead ends: 163 [2019-01-14 19:25:58,296 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 19:25:58,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-01-14 19:25:58,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 152. [2019-01-14 19:25:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-01-14 19:25:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 194 transitions. [2019-01-14 19:25:58,305 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 194 transitions. Word has length 37 [2019-01-14 19:25:58,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:25:58,306 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 194 transitions. [2019-01-14 19:25:58,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 19:25:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2019-01-14 19:25:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-01-14 19:25:58,309 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:25:58,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:25:58,311 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:25:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:25:58,311 INFO L82 PathProgramCache]: Analyzing trace with hash -141608670, now seen corresponding path program 1 times [2019-01-14 19:25:58,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:25:58,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:25:58,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:58,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:58,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:25:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-14 19:25:58,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:25:58,479 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 19:25:58,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:25:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:25:58,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:25:58,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:25:59,005 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:25:59,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2019-01-14 19:25:59,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-14 19:25:59,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-14 19:25:59,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2019-01-14 19:25:59,007 INFO L87 Difference]: Start difference. First operand 152 states and 194 transitions. Second operand 14 states. [2019-01-14 19:26:00,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:26:00,038 INFO L93 Difference]: Finished difference Result 209 states and 253 transitions. [2019-01-14 19:26:00,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-14 19:26:00,039 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2019-01-14 19:26:00,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:26:00,042 INFO L225 Difference]: With dead ends: 209 [2019-01-14 19:26:00,042 INFO L226 Difference]: Without dead ends: 209 [2019-01-14 19:26:00,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:26:00,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-01-14 19:26:00,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 177. [2019-01-14 19:26:00,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-01-14 19:26:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 233 transitions. [2019-01-14 19:26:00,052 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 233 transitions. Word has length 44 [2019-01-14 19:26:00,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:26:00,053 INFO L480 AbstractCegarLoop]: Abstraction has 177 states and 233 transitions. [2019-01-14 19:26:00,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-14 19:26:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 233 transitions. [2019-01-14 19:26:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-01-14 19:26:00,055 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:26:00,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:26:00,057 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:26:00,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:26:00,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1871593170, now seen corresponding path program 1 times [2019-01-14 19:26:00,057 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:26:00,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:26:00,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:00,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:00,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-01-14 19:26:00,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:26:00,162 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 19:26:00,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:00,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:26:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-01-14 19:26:00,275 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:26:00,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-01-14 19:26:00,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-14 19:26:00,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-14 19:26:00,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-14 19:26:00,276 INFO L87 Difference]: Start difference. First operand 177 states and 233 transitions. Second operand 7 states. [2019-01-14 19:26:00,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:26:00,512 INFO L93 Difference]: Finished difference Result 224 states and 292 transitions. [2019-01-14 19:26:00,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-14 19:26:00,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-01-14 19:26:00,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:26:00,515 INFO L225 Difference]: With dead ends: 224 [2019-01-14 19:26:00,516 INFO L226 Difference]: Without dead ends: 224 [2019-01-14 19:26:00,516 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-01-14 19:26:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-01-14 19:26:00,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 171. [2019-01-14 19:26:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-01-14 19:26:00,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 224 transitions. [2019-01-14 19:26:00,526 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 224 transitions. Word has length 45 [2019-01-14 19:26:00,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:26:00,526 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 224 transitions. [2019-01-14 19:26:00,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-14 19:26:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 224 transitions. [2019-01-14 19:26:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-01-14 19:26:00,530 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:26:00,530 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:26:00,531 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:26:00,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:26:00,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1871593169, now seen corresponding path program 1 times [2019-01-14 19:26:00,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:26:00,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:26:00,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:00,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:00,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-14 19:26:00,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:26:00,669 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 19:26:00,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:00,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:26:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:26:00,933 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:26:00,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2019-01-14 19:26:00,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-01-14 19:26:00,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-01-14 19:26:00,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-01-14 19:26:00,935 INFO L87 Difference]: Start difference. First operand 171 states and 224 transitions. Second operand 17 states. [2019-01-14 19:26:01,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:26:01,608 INFO L93 Difference]: Finished difference Result 237 states and 302 transitions. [2019-01-14 19:26:01,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-14 19:26:01,609 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 45 [2019-01-14 19:26:01,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:26:01,611 INFO L225 Difference]: With dead ends: 237 [2019-01-14 19:26:01,611 INFO L226 Difference]: Without dead ends: 237 [2019-01-14 19:26:01,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-01-14 19:26:01,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2019-01-14 19:26:01,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 122. [2019-01-14 19:26:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-01-14 19:26:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 147 transitions. [2019-01-14 19:26:01,620 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 147 transitions. Word has length 45 [2019-01-14 19:26:01,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:26:01,623 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 147 transitions. [2019-01-14 19:26:01,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-01-14 19:26:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 147 transitions. [2019-01-14 19:26:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-01-14 19:26:01,625 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:26:01,625 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:26:01,627 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:26:01,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:26:01,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1409729168, now seen corresponding path program 1 times [2019-01-14 19:26:01,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:26:01,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:26:01,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:01,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:01,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-01-14 19:26:02,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:26:02,054 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 19:26:02,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:02,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:26:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:26:02,433 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:26:02,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 18 [2019-01-14 19:26:02,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-01-14 19:26:02,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-01-14 19:26:02,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-01-14 19:26:02,435 INFO L87 Difference]: Start difference. First operand 122 states and 147 transitions. Second operand 18 states. [2019-01-14 19:26:02,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:26:02,744 INFO L93 Difference]: Finished difference Result 161 states and 193 transitions. [2019-01-14 19:26:02,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-14 19:26:02,745 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2019-01-14 19:26:02,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:26:02,747 INFO L225 Difference]: With dead ends: 161 [2019-01-14 19:26:02,748 INFO L226 Difference]: Without dead ends: 161 [2019-01-14 19:26:02,748 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:26:02,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-01-14 19:26:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 142. [2019-01-14 19:26:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-01-14 19:26:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 171 transitions. [2019-01-14 19:26:02,755 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 171 transitions. Word has length 45 [2019-01-14 19:26:02,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:26:02,756 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 171 transitions. [2019-01-14 19:26:02,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-01-14 19:26:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2019-01-14 19:26:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-01-14 19:26:02,759 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:26:02,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:26:02,759 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:26:02,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:26:02,760 INFO L82 PathProgramCache]: Analyzing trace with hash -94901138, now seen corresponding path program 1 times [2019-01-14 19:26:02,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:26:02,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:26:02,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:02,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:02,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-14 19:26:03,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:26:03,131 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 19:26:03,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:03,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:26:03,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 11 treesize of output 8 [2019-01-14 19:26:03,198 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 8 treesize of output 7 [2019-01-14 19:26:03,199 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:26:03,202 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:03,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:03,205 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-01-14 19:26:03,301 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 11 [2019-01-14 19:26:03,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2019-01-14 19:26:03,323 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:26:03,345 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:03,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:03,371 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-01-14 19:26:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-14 19:26:03,397 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:26:03,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 15 [2019-01-14 19:26:03,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-14 19:26:03,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-14 19:26:03,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2019-01-14 19:26:03,399 INFO L87 Difference]: Start difference. First operand 142 states and 171 transitions. Second operand 16 states. [2019-01-14 19:26:04,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:26:04,014 INFO L93 Difference]: Finished difference Result 183 states and 215 transitions. [2019-01-14 19:26:04,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-14 19:26:04,015 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 45 [2019-01-14 19:26:04,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:26:04,018 INFO L225 Difference]: With dead ends: 183 [2019-01-14 19:26:04,018 INFO L226 Difference]: Without dead ends: 183 [2019-01-14 19:26:04,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2019-01-14 19:26:04,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2019-01-14 19:26:04,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 163. [2019-01-14 19:26:04,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-01-14 19:26:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2019-01-14 19:26:04,026 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 45 [2019-01-14 19:26:04,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:26:04,028 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2019-01-14 19:26:04,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-14 19:26:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2019-01-14 19:26:04,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-01-14 19:26:04,029 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:26:04,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:26:04,033 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:26:04,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:26:04,034 INFO L82 PathProgramCache]: Analyzing trace with hash 2110154241, now seen corresponding path program 1 times [2019-01-14 19:26:04,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:26:04,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:26:04,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:04,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:04,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:04,797 WARN L181 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2019-01-14 19:26:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-01-14 19:26:05,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-14 19:26:05,022 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-14 19:26:05,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:26:05,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 19:26:05,193 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 11 treesize of output 8 [2019-01-14 19:26:05,198 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 8 treesize of output 7 [2019-01-14 19:26:05,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,200 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,205 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-01-14 19:26:05,265 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 11 [2019-01-14 19:26:05,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2019-01-14 19:26:05,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,269 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,270 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-14 19:26:05,270 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2019-01-14 19:26:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-01-14 19:26:05,295 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-14 19:26:05,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2019-01-14 19:26:05,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-01-14 19:26:05,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-01-14 19:26:05,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2019-01-14 19:26:05,296 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand 21 states. [2019-01-14 19:26:06,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:26:06,451 INFO L93 Difference]: Finished difference Result 258 states and 317 transitions. [2019-01-14 19:26:06,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-14 19:26:06,452 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 46 [2019-01-14 19:26:06,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:26:06,455 INFO L225 Difference]: With dead ends: 258 [2019-01-14 19:26:06,456 INFO L226 Difference]: Without dead ends: 258 [2019-01-14 19:26:06,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2019-01-14 19:26:06,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2019-01-14 19:26:06,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 201. [2019-01-14 19:26:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-01-14 19:26:06,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 262 transitions. [2019-01-14 19:26:06,469 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 262 transitions. Word has length 46 [2019-01-14 19:26:06,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:26:06,470 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 262 transitions. [2019-01-14 19:26:06,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-01-14 19:26:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 262 transitions. [2019-01-14 19:26:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-01-14 19:26:06,473 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:26:06,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:26:06,473 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, ldv_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, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err8REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err1REQUIRES_VIOLATION, free_17Err0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-14 19:26:06,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:26:06,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1353032449, now seen corresponding path program 1 times [2019-01-14 19:26:06,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:26:06,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:26:06,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:06,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:26:06,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:26:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:26:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:26:06,552 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:26:06,587 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:26:06,590 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:26:06,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:26:06 BoogieIcfgContainer [2019-01-14 19:26:06,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:26:06,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:26:06,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:26:06,607 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:26:06,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:25:46" (3/4) ... [2019-01-14 19:26:06,613 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 19:26:06,619 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:26:06,620 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-14 19:26:06,678 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 19:26:06,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:26:06,679 INFO L168 Benchmark]: Toolchain (without parser) took 23827.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.3 MB). Free memory was 942.0 MB in the beginning and 897.4 MB in the end (delta: 44.6 MB). Peak memory consumption was 352.8 MB. Max. memory is 11.5 GB. [2019-01-14 19:26:06,680 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:26:06,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-01-14 19:26:06,683 INFO L168 Benchmark]: Boogie Preprocessor took 141.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:26:06,683 INFO L168 Benchmark]: RCFGBuilder took 2184.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.9 MB in the end (delta: 120.2 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. [2019-01-14 19:26:06,686 INFO L168 Benchmark]: TraceAbstraction took 20595.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 966.9 MB in the beginning and 897.4 MB in the end (delta: 69.5 MB). Peak memory consumption was 256.1 MB. Max. memory is 11.5 GB. [2019-01-14 19:26:06,689 INFO L168 Benchmark]: Witness Printer took 72.19 ms. Allocated memory is still 1.3 GB. Free memory is still 897.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:26:06,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 830.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 141.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2184.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.9 MB in the end (delta: 120.2 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20595.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 186.6 MB). Free memory was 966.9 MB in the beginning and 897.4 MB in the end (delta: 69.5 MB). Peak memory consumption was 256.1 MB. Max. memory is 11.5 GB. * Witness Printer took 72.19 ms. Allocated memory is still 1.3 GB. Free memory is still 897.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1461]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1:0}] [L1481] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1466] int i; VAL [ldv_global_msg_list={-1:0}] [L1467] CALL, EXPR ldv_positive() VAL [ldv_global_msg_list={-1:0}] [L1064] int r = __VERIFIER_nondet_int(); [L1065] COND TRUE r>0 [L1065] return r; VAL [\result=1, ldv_global_msg_list={-1:0}, r=1] [L1467] RET, EXPR ldv_positive() VAL [ldv_global_msg_list={-1:0}, ldv_positive()=1] [L1467] int len = ldv_positive(); [L1469] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [\old(size)=4, ldv_global_msg_list={-1:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={2:0}, ldv_global_msg_list={-1:0}, malloc(size)={2:0}, size=4] [L1469] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(struct A17*)*len)={2:0}, len=1] [L1469] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L1470] COND TRUE \read(**array) [L1471] i=0 VAL [array={2:0}, i=0, ldv_global_msg_list={-1:0}, len=1] [L1471] COND TRUE i=0) VAL [\old(len)=1, array={2:0}, array={2:0}, i=0, j=-1, ldv_global_msg_list={-1:0}, len=1, p={0:0}] [L1455] return - -3; VAL [\old(len)=1, \result=3, array={2:0}, array={2:0}, i=0, j=-1, ldv_global_msg_list={-1:0}, len=1, p={0:0}] [L1474] RET alloc_17(array, len) VAL [alloc_17(array, len)=3, array={2:0}, i=1, ldv_global_msg_list={-1:0}, len=1] [L1475] CALL free_17(array, len) VAL [\old(len)=1, array={2:0}, ldv_global_msg_list={-1:0}] [L1459] int i; [L1460] i=0 VAL [\old(len)=1, array={2:0}, array={2:0}, i=0, ldv_global_msg_list={-1:0}, len=1] [L1460] COND TRUE i