./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa 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_test16_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 13d9e1f555d8a0e0fd0128fab121c949ab04cadc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-2e94e6a [2019-01-01 18:30:33,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 18:30:33,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 18:30:33,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 18:30:33,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 18:30:33,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 18:30:33,809 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 18:30:33,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 18:30:33,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 18:30:33,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 18:30:33,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 18:30:33,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 18:30:33,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 18:30:33,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 18:30:33,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 18:30:33,820 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 18:30:33,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 18:30:33,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 18:30:33,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 18:30:33,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 18:30:33,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 18:30:33,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 18:30:33,832 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 18:30:33,832 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 18:30:33,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 18:30:33,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 18:30:33,835 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 18:30:33,836 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 18:30:33,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 18:30:33,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 18:30:33,838 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 18:30:33,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 18:30:33,839 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 18:30:33,839 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 18:30:33,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 18:30:33,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 18:30:33,842 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 18:30:33,858 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 18:30:33,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 18:30:33,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 18:30:33,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 18:30:33,860 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 18:30:33,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 18:30:33,860 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 18:30:33,860 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 18:30:33,860 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 18:30:33,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 18:30:33,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 18:30:33,862 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 18:30:33,862 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 18:30:33,862 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 18:30:33,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 18:30:33,862 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 18:30:33,863 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 18:30:33,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 18:30:33,864 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 18:30:33,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 18:30:33,864 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 18:30:33,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 18:30:33,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 18:30:33,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 18:30:33,866 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 18:30:33,866 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 18:30:33,866 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 -> 13d9e1f555d8a0e0fd0128fab121c949ab04cadc [2019-01-01 18:30:33,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 18:30:33,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 18:30:33,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 18:30:33,920 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 18:30:33,921 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 18:30:33,921 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_true-valid-memsafety_true-termination.i [2019-01-01 18:30:33,980 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/936909ab7/459811a60e29496a889db67c6099784d/FLAGca870265c [2019-01-01 18:30:34,477 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 18:30:34,477 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test16_true-valid-memsafety_true-termination.i [2019-01-01 18:30:34,496 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/936909ab7/459811a60e29496a889db67c6099784d/FLAGca870265c [2019-01-01 18:30:34,775 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/936909ab7/459811a60e29496a889db67c6099784d [2019-01-01 18:30:34,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 18:30:34,780 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 18:30:34,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 18:30:34,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 18:30:34,785 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 18:30:34,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:30:34" (1/1) ... [2019-01-01 18:30:34,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4b5f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:34, skipping insertion in model container [2019-01-01 18:30:34,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 06:30:34" (1/1) ... [2019-01-01 18:30:34,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 18:30:34,865 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 18:30:35,379 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:30:35,410 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 18:30:35,594 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 18:30:35,685 INFO L195 MainTranslator]: Completed translation [2019-01-01 18:30:35,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35 WrapperNode [2019-01-01 18:30:35,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 18:30:35,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 18:30:35,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 18:30:35,687 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 18:30:35,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (1/1) ... [2019-01-01 18:30:35,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (1/1) ... [2019-01-01 18:30:35,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (1/1) ... [2019-01-01 18:30:35,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (1/1) ... [2019-01-01 18:30:35,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (1/1) ... [2019-01-01 18:30:35,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (1/1) ... [2019-01-01 18:30:35,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (1/1) ... [2019-01-01 18:30:35,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 18:30:35,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 18:30:35,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 18:30:35,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 18:30:35,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (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 [2019-01-01 18:30:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 18:30:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 18:30:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:30:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 18:30:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 18:30:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-01 18:30:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-01 18:30:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-01 18:30:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-01 18:30:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:30:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-01 18:30:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-01 18:30:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-01 18:30:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-01 18:30:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-01 18:30:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-01 18:30:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-01 18:30:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-01 18:30:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-01 18:30:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-01 18:30:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-01 18:30:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-01 18:30:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-01 18:30:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-01 18:30:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-01 18:30:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-01 18:30:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-01 18:30:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-01 18:30:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-01 18:30:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-01 18:30:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-01 18:30:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-01 18:30:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-01 18:30:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-01 18:30:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-01 18:30:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-01 18:30:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 18:30:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-01 18:30:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2019-01-01 18:30:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-01-01 18:30:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-01 18:30:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 18:30:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-01 18:30:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-01 18:30:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-01 18:30:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 18:30:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 18:30:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 18:30:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 18:30:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 18:30:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 18:30:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 18:30:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 18:30:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 18:30:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 18:30:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 18:30:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 18:30:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 18:30:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 18:30:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 18:30:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 18:30:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 18:30:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 18:30:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 18:30:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 18:30:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 18:30:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 18:30:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 18:30:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 18:30:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 18:30:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 18:30:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 18:30:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 18:30:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 18:30:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 18:30:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 18:30:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 18:30:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 18:30:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 18:30:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 18:30:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 18:30:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 18:30:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 18:30:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 18:30:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 18:30:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 18:30:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 18:30:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 18:30:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 18:30:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 18:30:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 18:30:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 18:30:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 18:30:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 18:30:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 18:30:35,924 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-01 18:30:35,925 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-01 18:30:35,926 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-01 18:30:35,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-01 18:30:35,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 18:30:35,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-01 18:30:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-01 18:30:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2019-01-01 18:30:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-01-01 18:30:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-01 18:30:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 18:30:35,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 18:30:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 18:30:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-01 18:30:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 18:30:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-01 18:30:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-01 18:30:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-01 18:30:35,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-01 18:30:36,834 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:30:37,519 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 18:30:38,212 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 18:30:38,212 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 18:30:38,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:30:38 BoogieIcfgContainer [2019-01-01 18:30:38,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 18:30:38,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 18:30:38,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 18:30:38,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 18:30:38,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 06:30:34" (1/3) ... [2019-01-01 18:30:38,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d90c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:30:38, skipping insertion in model container [2019-01-01 18:30:38,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 06:30:35" (2/3) ... [2019-01-01 18:30:38,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d90c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 06:30:38, skipping insertion in model container [2019-01-01 18:30:38,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:30:38" (3/3) ... [2019-01-01 18:30:38,222 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test16_true-valid-memsafety_true-termination.i [2019-01-01 18:30:38,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 18:30:38,242 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-01-01 18:30:38,260 INFO L257 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-01-01 18:30:38,287 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 18:30:38,287 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 18:30:38,288 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 18:30:38,288 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 18:30:38,288 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 18:30:38,288 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 18:30:38,288 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 18:30:38,288 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 18:30:38,288 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 18:30:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2019-01-01 18:30:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-01 18:30:38,327 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:30:38,328 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:30:38,331 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_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_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:30:38,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:30:38,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1137421208, now seen corresponding path program 1 times [2019-01-01 18:30:38,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:30:38,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:30:38,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:38,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:30:38,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:30:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:30:38,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:30:38,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-01 18:30:38,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:30:38,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:30:38,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:30:38,760 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 7 states. [2019-01-01 18:30:38,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:30:38,908 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-01-01 18:30:38,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:30:38,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-01-01 18:30:38,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:30:38,925 INFO L225 Difference]: With dead ends: 54 [2019-01-01 18:30:38,925 INFO L226 Difference]: Without dead ends: 51 [2019-01-01 18:30:38,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-01 18:30:38,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-01-01 18:30:38,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2019-01-01 18:30:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-01-01 18:30:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2019-01-01 18:30:38,969 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 17 [2019-01-01 18:30:38,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:30:38,970 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2019-01-01 18:30:38,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:30:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2019-01-01 18:30:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 18:30:38,971 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:30:38,971 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 18:30:38,972 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_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_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:30:38,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:30:38,972 INFO L82 PathProgramCache]: Analyzing trace with hash 900319452, now seen corresponding path program 1 times [2019-01-01 18:30:38,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:30:38,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:30:38,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:38,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:30:38,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:30:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:30:39,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:30:39,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-01 18:30:39,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-01 18:30:39,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-01 18:30:39,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-01 18:30:39,359 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand 7 states. [2019-01-01 18:30:39,552 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-01-01 18:30:39,877 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-01 18:30:39,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:30:39,991 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2019-01-01 18:30:39,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-01 18:30:39,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-01-01 18:30:39,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:30:39,993 INFO L225 Difference]: With dead ends: 46 [2019-01-01 18:30:39,994 INFO L226 Difference]: Without dead ends: 46 [2019-01-01 18:30:39,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:30:39,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-01 18:30:40,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2019-01-01 18:30:40,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 18:30:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-01-01 18:30:40,002 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 18 [2019-01-01 18:30:40,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:30:40,002 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-01-01 18:30:40,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-01 18:30:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-01-01 18:30:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 18:30:40,003 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:30:40,004 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] [2019-01-01 18:30:40,004 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_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_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:30:40,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:30:40,005 INFO L82 PathProgramCache]: Analyzing trace with hash -414633752, now seen corresponding path program 1 times [2019-01-01 18:30:40,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:30:40,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:30:40,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:30:40,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:30:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:30:40,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:30:40,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 18:30:40,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-01 18:30:40,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 18:30:40,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:30:40,070 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2019-01-01 18:30:40,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:30:40,147 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2019-01-01 18:30:40,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 18:30:40,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-01-01 18:30:40,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:30:40,150 INFO L225 Difference]: With dead ends: 54 [2019-01-01 18:30:40,150 INFO L226 Difference]: Without dead ends: 43 [2019-01-01 18:30:40,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 18:30:40,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-01 18:30:40,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-01 18:30:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-01 18:30:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-01-01 18:30:40,163 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2019-01-01 18:30:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:30:40,163 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-01-01 18:30:40,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-01 18:30:40,163 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-01-01 18:30:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-01 18:30:40,164 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:30:40,164 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] [2019-01-01 18:30:40,165 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_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_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:30:40,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:30:40,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1182430425, now seen corresponding path program 1 times [2019-01-01 18:30:40,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:30:40,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:30:40,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:30:40,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:30:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:30:40,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:30:40,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:30:40,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:30:40,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:30:40,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:30:40,478 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2019-01-01 18:30:40,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:30:40,535 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-01-01 18:30:40,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-01 18:30:40,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-01-01 18:30:40,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:30:40,538 INFO L225 Difference]: With dead ends: 42 [2019-01-01 18:30:40,538 INFO L226 Difference]: Without dead ends: 42 [2019-01-01 18:30:40,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:30:40,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-01 18:30:40,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-01 18:30:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-01 18:30:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2019-01-01 18:30:40,546 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2019-01-01 18:30:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:30:40,546 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2019-01-01 18:30:40,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:30:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-01-01 18:30:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:30:40,548 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:30:40,548 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] [2019-01-01 18:30:40,549 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_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_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:30:40,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:30:40,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1999362117, now seen corresponding path program 1 times [2019-01-01 18:30:40,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:30:40,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:30:40,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:30:40,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 18:30:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 18:30:40,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 18:30:40,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-01 18:30:40,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-01 18:30:40,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-01 18:30:40,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-01 18:30:40,758 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 9 states. [2019-01-01 18:30:40,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 18:30:40,911 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2019-01-01 18:30:40,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-01 18:30:40,912 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-01-01 18:30:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 18:30:40,914 INFO L225 Difference]: With dead ends: 54 [2019-01-01 18:30:40,914 INFO L226 Difference]: Without dead ends: 52 [2019-01-01 18:30:40,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-01 18:30:40,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-01 18:30:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2019-01-01 18:30:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-01 18:30:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2019-01-01 18:30:40,922 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 24 [2019-01-01 18:30:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 18:30:40,922 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2019-01-01 18:30:40,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-01 18:30:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-01-01 18:30:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-01 18:30:40,924 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 18:30:40,924 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] [2019-01-01 18:30:40,924 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_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_addErr2REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-01 18:30:40,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 18:30:40,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1870279398, now seen corresponding path program 1 times [2019-01-01 18:30:40,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 18:30:40,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 18:30:40,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 18:30:40,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 18:30:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:30:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 18:30:41,020 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-01 18:30:41,041 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# [2019-01-01 18:30:41,042 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# [2019-01-01 18:30:41,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 06:30:41 BoogieIcfgContainer [2019-01-01 18:30:41,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 18:30:41,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 18:30:41,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 18:30:41,054 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 18:30:41,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 06:30:38" (3/4) ... [2019-01-01 18:30:41,059 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-01 18:30:41,064 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# [2019-01-01 18:30:41,064 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# [2019-01-01 18:30:41,114 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 18:30:41,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 18:30:41,115 INFO L168 Benchmark]: Toolchain (without parser) took 6335.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 952.7 MB in the beginning and 872.3 MB in the end (delta: 80.4 MB). Peak memory consumption was 203.1 MB. Max. memory is 11.5 GB. [2019-01-01 18:30:41,116 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:30:41,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-01-01 18:30:41,118 INFO L168 Benchmark]: Boogie Preprocessor took 126.43 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. [2019-01-01 18:30:41,119 INFO L168 Benchmark]: RCFGBuilder took 2400.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.0 MB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2019-01-01 18:30:41,120 INFO L168 Benchmark]: TraceAbstraction took 2838.76 ms. Allocated memory is still 1.2 GB. Free memory was 989.0 MB in the beginning and 872.3 MB in the end (delta: 116.7 MB). Peak memory consumption was 116.7 MB. Max. memory is 11.5 GB. [2019-01-01 18:30:41,121 INFO L168 Benchmark]: Witness Printer took 60.28 ms. Allocated memory is still 1.2 GB. Free memory is still 872.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 18:30:41,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 905.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.43 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 2400.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.0 MB in the end (delta: 100.5 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2838.76 ms. Allocated memory is still 1.2 GB. Free memory was 989.0 MB in the beginning and 872.3 MB in the end (delta: 116.7 MB). Peak memory consumption was 116.7 MB. Max. memory is 11.5 GB. * Witness Printer took 60.28 ms. Allocated memory is still 1.2 GB. Free memory is still 872.3 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: 1449]: 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}] [L1460] CALL entry_point() VAL [ldv_global_msg_list={1:0}] [L1454] int condition = __VERIFIER_nondet_int(); [L1455] CALL, EXPR alloc_16(condition) VAL [\old(condition)=1, ldv_global_msg_list={1:0}] [L1440] COND TRUE \read(condition) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}] [L1441] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] return 0; VAL [\old(size)=4, \result={0:0}, ldv_global_msg_list={1:0}, size=4] [L1441] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, ldv_malloc(sizeof(struct A16))={0:0}] [L1441] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L1442] return p; VAL [\old(condition)=1, \result={0:0}, condition=1, ldv_global_msg_list={1:0}, p={0:0}] [L1455] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={0:0}, condition=1, ldv_global_msg_list={1:0}] [L1455] struct A16 *p = alloc_16(condition); [L1456] CALL free_16(p, condition) VAL [\old(condition)=1, ldv_global_msg_list={1:0}, p={0:0}] [L1448] COND TRUE \read(condition) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] [L1449] free(p) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] [L1449] free(p) VAL [\old(condition)=1, condition=1, ldv_global_msg_list={1:0}, p={0:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 333 locations, 74 error locations. UNSAFE Result, 2.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 157 SDtfs, 79 SDslu, 655 SDs, 0 SdLazy, 217 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 5022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...