./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_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_test18_1_false-valid-memtrack_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 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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_test18_1_false-valid-memtrack_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:06:59,823 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:06:59,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:06:59,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:06:59,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:06:59,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:06:59,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:06:59,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:06:59,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:06:59,845 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:06:59,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:06:59,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:06:59,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:06:59,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:06:59,850 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:06:59,851 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:06:59,852 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:06:59,854 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:06:59,857 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:06:59,858 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:06:59,859 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:06:59,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:06:59,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:06:59,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:06:59,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:06:59,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:06:59,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:06:59,867 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:06:59,873 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:06:59,874 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:06:59,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:06:59,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:06:59,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:06:59,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:06:59,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:06:59,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:06:59,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:06:59,913 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:06:59,914 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:06:59,916 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:06:59,917 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:06:59,917 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:06:59,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:06:59,918 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:06:59,918 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:06:59,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:06:59,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:06:59,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:06:59,919 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:06:59,919 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:06:59,919 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:06:59,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:06:59,920 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:06:59,921 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:06:59,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:06:59,922 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:06:59,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:06:59,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:06:59,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:06:59,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:06:59,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:06:59,923 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:06:59,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:06:59,924 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 -> 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 [2019-01-13 23:06:59,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:07:00,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:07:00,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:07:00,014 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:07:00,014 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:07:00,015 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-13 23:07:00,072 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1397e4d/f867a46b6c364acaa6dac901717a40d1/FLAG6c3964efe [2019-01-13 23:07:00,521 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:07:00,522 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-13 23:07:00,544 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1397e4d/f867a46b6c364acaa6dac901717a40d1/FLAG6c3964efe [2019-01-13 23:07:00,847 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1397e4d/f867a46b6c364acaa6dac901717a40d1 [2019-01-13 23:07:00,850 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:07:00,852 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:07:00,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:07:00,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:07:00,857 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:07:00,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:07:00" (1/1) ... [2019-01-13 23:07:00,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234729e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:00, skipping insertion in model container [2019-01-13 23:07:00,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:07:00" (1/1) ... [2019-01-13 23:07:00,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:07:00,920 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:07:01,325 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:07:01,347 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:07:01,521 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:07:01,606 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:07:01,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01 WrapperNode [2019-01-13 23:07:01,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:07:01,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:07:01,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:07:01,609 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:07:01,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (1/1) ... [2019-01-13 23:07:01,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (1/1) ... [2019-01-13 23:07:01,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (1/1) ... [2019-01-13 23:07:01,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (1/1) ... [2019-01-13 23:07:01,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (1/1) ... [2019-01-13 23:07:01,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (1/1) ... [2019-01-13 23:07:01,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (1/1) ... [2019-01-13 23:07:01,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:07:01,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:07:01,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:07:01,722 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:07:01,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (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 [2019-01-13 23:07:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:07:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:07:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:07:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:07:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:07:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:07:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:07:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:07:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:07:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:07:01,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:07:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:07:01,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:07:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:07:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:07:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:07:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:07:01,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:07:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:07:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:07:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:07:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:07:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:07:01,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:07:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:07:01,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:07:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:07:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:07:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:07:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:07:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:07:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:07:01,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:07:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:07:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:07:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:07:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:07:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:07:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:07:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:07:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:07:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:07:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:07:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:07:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:07:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:07:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:07:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:07:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:07:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:07:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:07:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:07:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:07:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:07:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:07:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:07:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:07:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:07:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:07:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:07:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:07:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:07:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:07:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:07:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:07:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:07:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:07:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:07:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:07:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:07:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:07:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:07:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:07:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:07:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:07:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:07:01,805 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:07:01,806 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:07:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:07:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:07:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:07:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:07:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:07:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:07:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:07:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:07:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:07:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:07:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:07:01,811 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:07:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:07:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:07:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:07:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:07:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:07:01,813 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:07:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:07:01,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:07:01,815 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:07:01,816 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:07:01,817 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:07:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:07:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:07:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:07:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:07:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:07:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:07:01,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:07:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:07:01,820 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:07:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:07:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:07:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:07:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:07:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:07:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:07:01,821 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:07:01,822 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:07:01,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:07:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:07:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:07:01,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:07:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:07:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:07:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:07:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:07:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:07:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:07:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:07:01,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:07:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:07:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:07:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:07:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:07:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:07:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:07:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:07:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:07:02,588 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:07:03,190 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:07:04,041 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:07:04,042 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-13 23:07:04,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:07:04 BoogieIcfgContainer [2019-01-13 23:07:04,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:07:04,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:07:04,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:07:04,049 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:07:04,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:07:00" (1/3) ... [2019-01-13 23:07:04,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccdf44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:07:04, skipping insertion in model container [2019-01-13 23:07:04,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:01" (2/3) ... [2019-01-13 23:07:04,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ccdf44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:07:04, skipping insertion in model container [2019-01-13 23:07:04,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:07:04" (3/3) ... [2019-01-13 23:07:04,054 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-13 23:07:04,065 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:07:04,078 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-13 23:07:04,099 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-13 23:07:04,129 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:07:04,130 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:07:04,130 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:07:04,131 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:07:04,131 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:07:04,131 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:07:04,131 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:07:04,131 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:07:04,131 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:07:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-01-13 23:07:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:07:04,159 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:04,160 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:07:04,164 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:04,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:04,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1422111949, now seen corresponding path program 1 times [2019-01-13 23:07:04,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:04,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:04,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:04,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:04,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:04,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:04,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:07:04,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:07:04,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:07:04,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:04,624 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 5 states. [2019-01-13 23:07:05,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:05,071 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2019-01-13 23:07:05,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:07:05,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:07:05,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:05,088 INFO L225 Difference]: With dead ends: 67 [2019-01-13 23:07:05,089 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:07:05,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:07:05,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 42. [2019-01-13 23:07:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:07:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-13 23:07:05,176 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 17 [2019-01-13 23:07:05,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:05,178 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-13 23:07:05,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:07:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-13 23:07:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:07:05,185 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:05,185 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:07:05,186 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:05,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:05,190 INFO L82 PathProgramCache]: Analyzing trace with hash 320698386, now seen corresponding path program 1 times [2019-01-13 23:07:05,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:05,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:05,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:05,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:05,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:05,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:05,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:07:05,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:07:05,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:07:05,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:07:05,313 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 3 states. [2019-01-13 23:07:05,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:05,703 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2019-01-13 23:07:05,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:07:05,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-13 23:07:05,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:05,706 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:07:05,706 INFO L226 Difference]: Without dead ends: 61 [2019-01-13 23:07:05,708 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 [2019-01-13 23:07:05,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-13 23:07:05,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2019-01-13 23:07:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:07:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2019-01-13 23:07:05,721 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2019-01-13 23:07:05,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:05,722 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-01-13 23:07:05,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:07:05,722 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2019-01-13 23:07:05,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 23:07:05,723 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:05,723 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:07:05,724 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:05,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:05,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1136155017, now seen corresponding path program 1 times [2019-01-13 23:07:05,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:05,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:05,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:05,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:05,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:05,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:05,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:07:05,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:07:05,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:07:05,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:07:05,827 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 4 states. [2019-01-13 23:07:05,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:05,893 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2019-01-13 23:07:05,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:07:05,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-01-13 23:07:05,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:05,896 INFO L225 Difference]: With dead ends: 80 [2019-01-13 23:07:05,897 INFO L226 Difference]: Without dead ends: 80 [2019-01-13 23:07:05,897 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:07:05,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-13 23:07:05,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 52. [2019-01-13 23:07:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-13 23:07:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2019-01-13 23:07:05,908 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 18 [2019-01-13 23:07:05,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:05,908 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2019-01-13 23:07:05,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:07:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2019-01-13 23:07:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:07:05,910 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:05,910 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] [2019-01-13 23:07:05,910 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:05,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:05,911 INFO L82 PathProgramCache]: Analyzing trace with hash -2130619140, now seen corresponding path program 1 times [2019-01-13 23:07:05,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:05,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:05,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:05,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:05,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:06,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:07:06,175 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 [2019-01-13 23:07:06,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:06,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:06,301 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 [2019-01-13 23:07:06,302 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:06,305 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:07:06,306 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:07:06,666 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 [2019-01-13 23:07:06,682 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 [2019-01-13 23:07:06,683 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:06,688 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. [2019-01-13 23:07:06,689 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2019-01-13 23:07:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-13 23:07:06,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:07:06,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2019-01-13 23:07:06,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:07:06,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:07:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2019-01-13 23:07:06,720 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 8 states. [2019-01-13 23:07:07,687 WARN L181 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2019-01-13 23:07:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:08,822 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2019-01-13 23:07:08,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:07:08,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-13 23:07:08,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:08,825 INFO L225 Difference]: With dead ends: 109 [2019-01-13 23:07:08,825 INFO L226 Difference]: Without dead ends: 109 [2019-01-13 23:07:08,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2019-01-13 23:07:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-13 23:07:08,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2019-01-13 23:07:08,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-13 23:07:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2019-01-13 23:07:08,836 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 23 [2019-01-13 23:07:08,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:08,837 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2019-01-13 23:07:08,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:07:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2019-01-13 23:07:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:07:08,838 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:08,838 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] [2019-01-13 23:07:08,839 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:08,839 INFO L82 PathProgramCache]: Analyzing trace with hash -2130619139, now seen corresponding path program 1 times [2019-01-13 23:07:08,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:08,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:08,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:08,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:08,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:09,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:09,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:07:09,316 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 [2019-01-13 23:07:09,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:09,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:09,403 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 [2019-01-13 23:07:09,404 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:09,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:07:09,416 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:9 [2019-01-13 23:07:09,984 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size Int) (|ldv_malloc_#t~malloc12.base| Int)) (and (<= |c_ldv_malloc_#in~size| ldv_malloc_~size) (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)))) is different from true [2019-01-13 23:07:10,077 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 18 [2019-01-13 23:07:10,078 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-01-13 23:07:10,102 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2019-01-13 23:07:10,103 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:21, output treesize:30 [2019-01-13 23:07:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-13 23:07:10,221 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:07:10,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15 [2019-01-13 23:07:10,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-13 23:07:10,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-13 23:07:10,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=173, Unknown=1, NotChecked=26, Total=240 [2019-01-13 23:07:10,223 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand 16 states. [2019-01-13 23:07:11,169 WARN L181 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-13 23:07:12,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:12,375 INFO L93 Difference]: Finished difference Result 160 states and 193 transitions. [2019-01-13 23:07:12,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-01-13 23:07:12,376 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 23 [2019-01-13 23:07:12,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:12,379 INFO L225 Difference]: With dead ends: 160 [2019-01-13 23:07:12,379 INFO L226 Difference]: Without dead ends: 160 [2019-01-13 23:07:12,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=109, Invalid=494, Unknown=1, NotChecked=46, Total=650 [2019-01-13 23:07:12,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-01-13 23:07:12,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 68. [2019-01-13 23:07:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-13 23:07:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 90 transitions. [2019-01-13 23:07:12,394 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 90 transitions. Word has length 23 [2019-01-13 23:07:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:12,394 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 90 transitions. [2019-01-13 23:07:12,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-13 23:07:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2019-01-13 23:07:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:07:12,395 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:12,395 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] [2019-01-13 23:07:12,396 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:12,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:12,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1658789531, now seen corresponding path program 1 times [2019-01-13 23:07:12,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:12,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:12,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:12,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:12,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-13 23:07:12,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:07:12,466 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 [2019-01-13 23:07:12,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:12,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:12,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:12,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-13 23:07:12,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-01-13 23:07:12,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:07:12,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:07:12,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:12,567 INFO L87 Difference]: Start difference. First operand 68 states and 90 transitions. Second operand 5 states. [2019-01-13 23:07:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:12,589 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2019-01-13 23:07:12,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:07:12,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:07:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:12,591 INFO L225 Difference]: With dead ends: 48 [2019-01-13 23:07:12,591 INFO L226 Difference]: Without dead ends: 46 [2019-01-13 23:07:12,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:12,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-13 23:07:12,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-13 23:07:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-13 23:07:12,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2019-01-13 23:07:12,597 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 23 [2019-01-13 23:07:12,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:12,597 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2019-01-13 23:07:12,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:07:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2019-01-13 23:07:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 23:07:12,600 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:12,600 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] [2019-01-13 23:07:12,600 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:12,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:12,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1174365480, now seen corresponding path program 1 times [2019-01-13 23:07:12,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:12,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:12,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:12,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:12,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-13 23:07:12,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:12,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:07:12,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:07:12,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:07:12,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:12,782 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 5 states. [2019-01-13 23:07:12,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:12,830 INFO L93 Difference]: Finished difference Result 74 states and 89 transitions. [2019-01-13 23:07:12,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:07:12,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-13 23:07:12,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:12,833 INFO L225 Difference]: With dead ends: 74 [2019-01-13 23:07:12,833 INFO L226 Difference]: Without dead ends: 74 [2019-01-13 23:07:12,834 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 [2019-01-13 23:07:12,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-13 23:07:12,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 50. [2019-01-13 23:07:12,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:07:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2019-01-13 23:07:12,839 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 59 transitions. Word has length 25 [2019-01-13 23:07:12,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:12,839 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 59 transitions. [2019-01-13 23:07:12,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:07:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2019-01-13 23:07:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 23:07:12,840 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:12,841 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] [2019-01-13 23:07:12,841 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:12,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:12,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1377791481, now seen corresponding path program 1 times [2019-01-13 23:07:12,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:12,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:12,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:12,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:12,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:07:12,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:12,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:07:12,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:07:12,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:07:12,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:07:12,975 INFO L87 Difference]: Start difference. First operand 50 states and 59 transitions. Second operand 4 states. [2019-01-13 23:07:13,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:13,029 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2019-01-13 23:07:13,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:07:13,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-13 23:07:13,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:13,031 INFO L225 Difference]: With dead ends: 55 [2019-01-13 23:07:13,031 INFO L226 Difference]: Without dead ends: 55 [2019-01-13 23:07:13,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:13,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-13 23:07:13,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2019-01-13 23:07:13,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-13 23:07:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2019-01-13 23:07:13,036 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 25 [2019-01-13 23:07:13,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:13,037 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2019-01-13 23:07:13,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:07:13,037 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2019-01-13 23:07:13,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-13 23:07:13,039 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:13,040 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] [2019-01-13 23:07:13,040 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:07:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:13,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1207720755, now seen corresponding path program 1 times [2019-01-13 23:07:13,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:07:13,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:07:13,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:13,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:13,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:07:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:07:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:07:13,087 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:07:13,101 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:07:13,107 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 41 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:07:13,108 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 42 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:07:13,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:07:13 BoogieIcfgContainer [2019-01-13 23:07:13,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:07:13,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:07:13,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:07:13,120 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:07:13,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:07:04" (3/4) ... [2019-01-13 23:07:13,124 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:07:13,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:07:13,125 INFO L168 Benchmark]: Toolchain (without parser) took 12274.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -72.0 MB). Peak memory consumption was 132.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:13,127 INFO L168 Benchmark]: CDTParser took 0.14 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. [2019-01-13 23:07:13,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:13,128 INFO L168 Benchmark]: Boogie Preprocessor took 113.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:13,129 INFO L168 Benchmark]: RCFGBuilder took 2322.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.7 MB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:13,130 INFO L168 Benchmark]: TraceAbstraction took 9074.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 992.7 MB in the beginning and 1.0 GB in the end (delta: -21.3 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:13,131 INFO L168 Benchmark]: Witness Printer took 5.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:07:13,135 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 754.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -157.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2322.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.7 MB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9074.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 992.7 MB in the beginning and 1.0 GB in the end (delta: -21.3 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 41 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 42 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-1:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-1:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={-1:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={-1:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={1:0}, ldv_global_msg_list={-1:0}, malloc(size)={1:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={-1:0}, ldv_malloc(sizeof(struct A18*)*len)={1:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; [L1443] int j; VAL [array={1:0}, i=0, ldv_global_msg_list={-1:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={1:0}, i=0, ldv_global_msg_list={-1:0}, len=10] [L1445] COND TRUE i=0) VAL [array={1:0}, i=0, j=-1, ldv_global_msg_list={-1:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 337 locations, 78 error locations. UNSAFE Result, 8.9s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 417 SDtfs, 360 SDslu, 1270 SDs, 0 SdLazy, 1001 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 225 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 229 ConstructedInterpolants, 5 QuantifiedInterpolants, 17311 SizeOfPredicates, 10 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 21/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:07:15,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:07:15,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:07:15,435 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:07:15,435 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:07:15,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:07:15,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:07:15,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:07:15,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:07:15,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:07:15,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:07:15,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:07:15,455 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:07:15,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:07:15,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:07:15,461 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:07:15,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:07:15,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:07:15,471 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:07:15,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:07:15,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:07:15,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:07:15,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:07:15,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:07:15,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:07:15,481 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:07:15,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:07:15,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:07:15,485 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:07:15,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:07:15,489 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:07:15,490 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:07:15,490 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:07:15,490 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:07:15,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:07:15,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:07:15,494 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:07:15,516 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:07:15,516 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:07:15,517 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:07:15,517 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:07:15,518 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:07:15,522 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:07:15,522 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:07:15,522 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:07:15,523 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:07:15,523 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:07:15,523 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:07:15,523 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:07:15,523 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:07:15,523 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:07:15,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:07:15,524 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:07:15,524 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:07:15,524 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:07:15,524 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:07:15,525 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:07:15,525 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:07:15,525 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:07:15,525 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:07:15,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:07:15,525 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:07:15,527 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:07:15,527 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:07:15,527 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:07:15,527 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:07:15,527 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 1e7b1c8d88255aaa07a4a2fabadf999511fb9c76 [2019-01-13 23:07:15,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:07:15,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:07:15,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:07:15,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:07:15,604 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:07:15,604 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-13 23:07:15,666 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ff012e7/5ec65c51a5c3492eba833c98503a62f7/FLAG83706f735 [2019-01-13 23:07:16,157 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:07:16,157 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-13 23:07:16,176 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ff012e7/5ec65c51a5c3492eba833c98503a62f7/FLAG83706f735 [2019-01-13 23:07:16,442 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ff012e7/5ec65c51a5c3492eba833c98503a62f7 [2019-01-13 23:07:16,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:07:16,446 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:07:16,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:07:16,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:07:16,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:07:16,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:07:16" (1/1) ... [2019-01-13 23:07:16,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27805ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:16, skipping insertion in model container [2019-01-13 23:07:16,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:07:16" (1/1) ... [2019-01-13 23:07:16,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:07:16,541 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:07:16,974 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:07:16,998 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:07:17,150 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:07:17,239 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:07:17,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17 WrapperNode [2019-01-13 23:07:17,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:07:17,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:07:17,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:07:17,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:07:17,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (1/1) ... [2019-01-13 23:07:17,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (1/1) ... [2019-01-13 23:07:17,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (1/1) ... [2019-01-13 23:07:17,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (1/1) ... [2019-01-13 23:07:17,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (1/1) ... [2019-01-13 23:07:17,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (1/1) ... [2019-01-13 23:07:17,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (1/1) ... [2019-01-13 23:07:17,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:07:17,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:07:17,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:07:17,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:07:17,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (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 [2019-01-13 23:07:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:07:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:07:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:07:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:07:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:07:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:07:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:07:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:07:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:07:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:07:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:07:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:07:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:07:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:07:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:07:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:07:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:07:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:07:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:07:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:07:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:07:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:07:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:07:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:07:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:07:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:07:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:07:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:07:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:07:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:07:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:07:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:07:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:07:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:07:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:07:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:07:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:07:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:07:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:07:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:07:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:07:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:07:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:07:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:07:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:07:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:07:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:07:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:07:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:07:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:07:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:07:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:07:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:07:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:07:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:07:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:07:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:07:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:07:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:07:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:07:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:07:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:07:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:07:17,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:07:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:07:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:07:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:07:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:07:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:07:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:07:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:07:17,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:07:17,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:07:17,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:07:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:07:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:07:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:07:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:07:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:07:18,243 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:07:19,057 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:07:20,348 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:07:20,348 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-13 23:07:20,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:07:20 BoogieIcfgContainer [2019-01-13 23:07:20,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:07:20,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:07:20,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:07:20,354 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:07:20,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:07:16" (1/3) ... [2019-01-13 23:07:20,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8034b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:07:20, skipping insertion in model container [2019-01-13 23:07:20,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:07:17" (2/3) ... [2019-01-13 23:07:20,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8034b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:07:20, skipping insertion in model container [2019-01-13 23:07:20,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:07:20" (3/3) ... [2019-01-13 23:07:20,358 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_1_false-valid-memtrack_true-termination.i [2019-01-13 23:07:20,365 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:07:20,373 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 78 error locations. [2019-01-13 23:07:20,389 INFO L257 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2019-01-13 23:07:20,412 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:07:20,413 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:07:20,413 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:07:20,413 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:07:20,414 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:07:20,414 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:07:20,414 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:07:20,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:07:20,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:07:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-01-13 23:07:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:07:20,438 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:20,439 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:07:20,441 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:20,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:20,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1082167642, now seen corresponding path program 1 times [2019-01-13 23:07:20,451 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:20,452 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:20,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:20,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:20,657 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:07:20,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:20,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 23:07:20,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 23:07:20,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 23:07:20,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:07:20,691 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 3 states. [2019-01-13 23:07:20,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:20,959 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2019-01-13 23:07:20,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 23:07:20,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-13 23:07:20,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:20,973 INFO L225 Difference]: With dead ends: 67 [2019-01-13 23:07:20,973 INFO L226 Difference]: Without dead ends: 61 [2019-01-13 23:07:20,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 23:07:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-13 23:07:21,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 50. [2019-01-13 23:07:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:07:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2019-01-13 23:07:21,024 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 17 [2019-01-13 23:07:21,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:21,025 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2019-01-13 23:07:21,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 23:07:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2019-01-13 23:07:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:07:21,028 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:21,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:07:21,029 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:21,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:21,030 INFO L82 PathProgramCache]: Analyzing trace with hash -660642693, now seen corresponding path program 1 times [2019-01-13 23:07:21,030 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:21,031 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:21,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:21,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:21,324 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:07:21,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:21,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:07:21,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:07:21,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:07:21,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:21,330 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand 5 states. [2019-01-13 23:07:21,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:21,740 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2019-01-13 23:07:21,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:07:21,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:07:21,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:21,747 INFO L225 Difference]: With dead ends: 72 [2019-01-13 23:07:21,747 INFO L226 Difference]: Without dead ends: 72 [2019-01-13 23:07:21,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:21,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-13 23:07:21,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 50. [2019-01-13 23:07:21,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:07:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2019-01-13 23:07:21,767 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 17 [2019-01-13 23:07:21,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:21,767 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2019-01-13 23:07:21,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:07:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2019-01-13 23:07:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 23:07:21,773 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:21,774 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:07:21,774 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:21,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:21,777 INFO L82 PathProgramCache]: Analyzing trace with hash -812899050, now seen corresponding path program 1 times [2019-01-13 23:07:21,778 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:21,778 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:21,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:21,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:21,959 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:07:21,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:21,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:07:21,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:07:21,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:07:21,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:07:21,964 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 4 states. [2019-01-13 23:07:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:22,049 INFO L93 Difference]: Finished difference Result 80 states and 100 transitions. [2019-01-13 23:07:22,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:07:22,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2019-01-13 23:07:22,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:22,053 INFO L225 Difference]: With dead ends: 80 [2019-01-13 23:07:22,053 INFO L226 Difference]: Without dead ends: 80 [2019-01-13 23:07:22,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:07:22,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-13 23:07:22,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 52. [2019-01-13 23:07:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-13 23:07:22,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2019-01-13 23:07:22,065 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 18 [2019-01-13 23:07:22,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:22,066 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2019-01-13 23:07:22,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:07:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2019-01-13 23:07:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:07:22,067 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:22,067 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] [2019-01-13 23:07:22,068 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:22,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:22,069 INFO L82 PathProgramCache]: Analyzing trace with hash 613965026, now seen corresponding path program 1 times [2019-01-13 23:07:22,069 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:22,069 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:22,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:22,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:22,321 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:07:22,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:22,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:07:22,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:07:22,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:07:22,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:22,324 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 5 states. [2019-01-13 23:07:22,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:22,411 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2019-01-13 23:07:22,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:07:22,413 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:07:22,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:22,414 INFO L225 Difference]: With dead ends: 43 [2019-01-13 23:07:22,414 INFO L226 Difference]: Without dead ends: 41 [2019-01-13 23:07:22,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:22,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-01-13 23:07:22,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-01-13 23:07:22,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-13 23:07:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2019-01-13 23:07:22,421 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 23 [2019-01-13 23:07:22,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:22,421 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2019-01-13 23:07:22,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:07:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2019-01-13 23:07:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:07:22,423 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:22,423 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] [2019-01-13 23:07:22,424 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:22,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:22,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1119523651, now seen corresponding path program 1 times [2019-01-13 23:07:22,427 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:22,427 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:22,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:22,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:22,551 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 [2019-01-13 23:07:22,553 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:22,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:07:22,556 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:07:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:22,624 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:07:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:07:22,928 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:07:22,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2019-01-13 23:07:22,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:07:22,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:07:22,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=26, Unknown=4, NotChecked=0, Total=42 [2019-01-13 23:07:22,930 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 7 states. [2019-01-13 23:07:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:23,266 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2019-01-13 23:07:23,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:07:23,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2019-01-13 23:07:23,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:23,268 INFO L225 Difference]: With dead ends: 45 [2019-01-13 23:07:23,269 INFO L226 Difference]: Without dead ends: 45 [2019-01-13 23:07:23,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=59, Unknown=7, NotChecked=0, Total=90 [2019-01-13 23:07:23,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-01-13 23:07:23,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2019-01-13 23:07:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:07:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-13 23:07:23,275 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 23 [2019-01-13 23:07:23,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:23,276 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-13 23:07:23,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:07:23,276 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-13 23:07:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:07:23,277 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:23,277 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] [2019-01-13 23:07:23,278 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:23,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:23,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1119523652, now seen corresponding path program 1 times [2019-01-13 23:07:23,279 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:23,279 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:23,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:23,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-01-13 23:07:23,630 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:07:23,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:23,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:07:23,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:07:23,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:07:23,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:23,635 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 5 states. [2019-01-13 23:07:23,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:23,715 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2019-01-13 23:07:23,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:07:23,717 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:07:23,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:23,718 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:07:23,719 INFO L226 Difference]: Without dead ends: 60 [2019-01-13 23:07:23,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:23,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-13 23:07:23,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 44. [2019-01-13 23:07:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-01-13 23:07:23,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2019-01-13 23:07:23,725 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 23 [2019-01-13 23:07:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:23,726 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2019-01-13 23:07:23,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:07:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2019-01-13 23:07:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:07:23,727 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:23,727 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] [2019-01-13 23:07:23,728 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:23,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:23,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1090894501, now seen corresponding path program 1 times [2019-01-13 23:07:23,729 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:23,729 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:23,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:23,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:23,861 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 [2019-01-13 23:07:23,862 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:23,879 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 [2019-01-13 23:07:23,880 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:23,893 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:07:23,893 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:07:25,083 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 23:07:25,096 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:07:25,098 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:07:25,100 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 13 treesize of output 4 [2019-01-13 23:07:25,101 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:25,177 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 [2019-01-13 23:07:25,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:25,242 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:07:25,242 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:14 [2019-01-13 23:07:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-13 23:07:25,277 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:07:25,719 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-13 23:07:25,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 23:07:25,722 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP 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 [2019-01-13 23:07:25,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:25,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:25,795 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 [2019-01-13 23:07:25,795 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:25,814 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 [2019-01-13 23:07:25,814 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:25,824 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:07:25,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-01-13 23:07:25,843 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:07:25,848 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 [2019-01-13 23:07:25,849 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:25,880 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:07:25,882 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:07:25,884 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 13 treesize of output 4 [2019-01-13 23:07:25,885 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:07:26,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:07:26,039 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:14 [2019-01-13 23:07:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2019-01-13 23:07:26,042 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2019-01-13 23:07:26,282 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 23:07:26,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2019-01-13 23:07:26,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 23:07:26,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 23:07:26,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=88, Unknown=1, NotChecked=18, Total=132 [2019-01-13 23:07:26,283 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 10 states. [2019-01-13 23:07:27,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:27,014 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2019-01-13 23:07:27,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:07:27,015 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-01-13 23:07:27,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:27,017 INFO L225 Difference]: With dead ends: 73 [2019-01-13 23:07:27,017 INFO L226 Difference]: Without dead ends: 73 [2019-01-13 23:07:27,018 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=54, Invalid=221, Unknown=1, NotChecked=30, Total=306 [2019-01-13 23:07:27,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-13 23:07:27,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 48. [2019-01-13 23:07:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-13 23:07:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2019-01-13 23:07:27,022 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 23 [2019-01-13 23:07:27,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:27,023 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2019-01-13 23:07:27,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 23:07:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2019-01-13 23:07:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-13 23:07:27,025 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:27,025 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] [2019-01-13 23:07:27,025 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:27,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:27,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2120363631, now seen corresponding path program 1 times [2019-01-13 23:07:27,027 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:27,027 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:27,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:07:27,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:07:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-01-13 23:07:27,144 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:07:27,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:07:27,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:07:27,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:07:27,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:07:27,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:07:27,150 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 4 states. [2019-01-13 23:07:27,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:07:27,264 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2019-01-13 23:07:27,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:07:27,264 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-01-13 23:07:27,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:07:27,265 INFO L225 Difference]: With dead ends: 55 [2019-01-13 23:07:27,266 INFO L226 Difference]: Without dead ends: 55 [2019-01-13 23:07:27,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:07:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-01-13 23:07:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2019-01-13 23:07:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-13 23:07:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2019-01-13 23:07:27,271 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 25 [2019-01-13 23:07:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:07:27,271 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2019-01-13 23:07:27,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:07:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2019-01-13 23:07:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-13 23:07:27,273 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:07:27,274 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] [2019-01-13 23:07:27,275 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr6ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:07:27,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:07:27,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1854916598, now seen corresponding path program 1 times [2019-01-13 23:07:27,275 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:07:27,275 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:07:27,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:07:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:07:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:07:27,537 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:07:27,562 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:07:27,577 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:07:27,578 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:07:27,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:07:27 BoogieIcfgContainer [2019-01-13 23:07:27,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:07:27,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:07:27,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:07:27,615 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:07:27,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:07:20" (3/4) ... [2019-01-13 23:07:27,626 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:07:27,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:07:27,628 INFO L168 Benchmark]: Toolchain (without parser) took 11183.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:27,630 INFO L168 Benchmark]: CDTParser took 0.14 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. [2019-01-13 23:07:27,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:27,631 INFO L168 Benchmark]: Boogie Preprocessor took 109.26 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. [2019-01-13 23:07:27,631 INFO L168 Benchmark]: RCFGBuilder took 3000.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:07:27,632 INFO L168 Benchmark]: TraceAbstraction took 7263.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -71.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:07:27,633 INFO L168 Benchmark]: Witness Printer took 11.86 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. [2019-01-13 23:07:27,636 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 793.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.26 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 3000.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7263.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -71.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 11.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1458]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1458. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483647:0}] [L1459] CALL entry_point() VAL [ldv_global_msg_list={-2147483647:0}] [L1439] int len = 10; VAL [ldv_global_msg_list={-2147483647:0}, len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40, ldv_global_msg_list={-2147483647:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=40, \result={1:0}, ldv_global_msg_list={-2147483647:0}, malloc(size)={1:0}, size=40] [L1440] RET, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_global_msg_list={-2147483647:0}, ldv_malloc(sizeof(struct A18*)*len)={1:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; [L1443] int j; VAL [array={1:0}, i=0, ldv_global_msg_list={-2147483647:0}, len=10] [L1444] COND FALSE !(!array) VAL [array={1:0}, i=0, ldv_global_msg_list={-2147483647:0}, len=10] [L1445] COND TRUE i=0) VAL [array={1:0}, i=0, j=4294967295, ldv_global_msg_list={-2147483647:0}, len=10, p={0:0}] [L1459] RET entry_point() VAL [ldv_global_msg_list={-2147483647:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 339 locations, 78 error locations. UNSAFE Result, 7.2s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 315 SDtfs, 230 SDslu, 726 SDs, 0 SdLazy, 358 SolverSat, 34 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 184 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 8 MinimizatonAttempts, 108 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 205 ConstructedInterpolants, 8 QuantifiedInterpolants, 18137 SizeOfPredicates, 23 NumberOfNonLiveVariables, 804 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 18/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...