./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_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_test13_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 ba5476636e8902440a35b69190524704fd5af5c4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_test13_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 ba5476636e8902440a35b69190524704fd5af5c4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:01:34,927 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:01:34,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:01:34,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:01:34,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:01:34,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:01:34,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:01:34,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:01:34,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:01:34,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:01:34,959 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:01:34,960 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:01:34,961 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:01:34,962 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:01:34,965 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:01:34,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:01:34,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:01:34,974 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:01:34,978 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:01:34,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:01:34,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:01:34,989 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:01:34,996 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:01:34,996 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:01:34,996 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:01:34,997 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:01:35,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:01:35,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:01:35,003 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:01:35,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:01:35,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:01:35,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:01:35,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:01:35,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:01:35,010 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:01:35,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:01:35,011 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:01:35,026 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:01:35,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:01:35,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:01:35,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:01:35,028 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:01:35,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:01:35,029 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:01:35,029 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:01:35,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:01:35,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:01:35,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:01:35,030 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:01:35,030 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:01:35,030 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:01:35,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:01:35,030 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:01:35,030 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:01:35,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:01:35,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:01:35,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:01:35,033 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:01:35,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:01:35,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:01:35,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:01:35,033 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:01:35,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:01:35,034 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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2019-01-13 23:01:35,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:01:35,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:01:35,094 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:01:35,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:01:35,096 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:01:35,097 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-13 23:01:35,157 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4209effc/cbce740532784996a7978129df9e5a74/FLAG186c38d20 [2019-01-13 23:01:35,667 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:01:35,668 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-13 23:01:35,683 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4209effc/cbce740532784996a7978129df9e5a74/FLAG186c38d20 [2019-01-13 23:01:35,943 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4209effc/cbce740532784996a7978129df9e5a74 [2019-01-13 23:01:35,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:01:35,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:01:35,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:01:35,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:01:35,954 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:01:35,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:01:35" (1/1) ... [2019-01-13 23:01:35,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5457b1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:35, skipping insertion in model container [2019-01-13 23:01:35,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:01:35" (1/1) ... [2019-01-13 23:01:35,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:01:36,038 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:01:36,516 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:01:36,549 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:01:36,705 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:01:36,788 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:01:36,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36 WrapperNode [2019-01-13 23:01:36,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:01:36,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:01:36,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:01:36,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:01:36,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (1/1) ... [2019-01-13 23:01:36,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (1/1) ... [2019-01-13 23:01:36,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (1/1) ... [2019-01-13 23:01:36,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (1/1) ... [2019-01-13 23:01:36,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (1/1) ... [2019-01-13 23:01:36,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (1/1) ... [2019-01-13 23:01:36,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (1/1) ... [2019-01-13 23:01:36,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:01:36,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:01:36,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:01:36,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:01:36,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (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 23:01:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:01:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:01:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:01:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:01:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:01:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:01:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:01:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:01:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:01:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:01:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:01:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:01:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:01:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:01:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:01:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:01:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:01:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:01:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:01:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:01:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:01:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:01:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:01:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:01:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:01:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:01:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:01:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:01:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:01:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:01:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:01:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2019-01-13 23:01:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:01:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:01:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:01:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:01:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:01:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:01:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:01:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:01:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:01:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:01:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:01:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:01:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:01:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:01:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:01:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:01:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:01:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:01:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:01:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:01:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:01:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:01:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:01:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:01:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:01:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:01:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:01:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:01:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:01:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:01:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:01:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:01:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:01:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:01:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:01:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:01:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:01:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:01:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:01:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:01:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:01:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:01:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:01:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:01:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:01:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:01:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:01:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:01:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:01:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:01:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:01:37,001 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:01:37,002 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:01:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:01:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:01:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:01:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:01:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:01:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:01:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:01:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:01:37,005 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:01:37,006 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:01:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:01:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:01:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:01:37,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:01:37,011 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:01:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:01:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:01:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:01:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:01:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:01:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:01:37,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:01:37,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:01:37,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:01:37,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:01:37,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:01:37,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:01:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:01:37,019 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:01:37,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:01:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:01:37,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:01:37,709 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:01:38,442 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:01:38,906 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:01:38,907 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:01:38,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:01:38 BoogieIcfgContainer [2019-01-13 23:01:38,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:01:38,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:01:38,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:01:38,913 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:01:38,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:01:35" (1/3) ... [2019-01-13 23:01:38,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111045dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:01:38, skipping insertion in model container [2019-01-13 23:01:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:36" (2/3) ... [2019-01-13 23:01:38,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111045dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:01:38, skipping insertion in model container [2019-01-13 23:01:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:01:38" (3/3) ... [2019-01-13 23:01:38,918 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-13 23:01:38,928 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:01:38,938 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-13 23:01:38,956 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-13 23:01:38,984 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:01:38,985 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:01:38,986 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:01:38,986 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:01:38,986 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:01:38,986 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:01:38,986 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:01:38,986 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:01:38,987 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:01:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-13 23:01:39,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:01:39,018 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:39,019 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 23:01:39,022 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:39,031 INFO L82 PathProgramCache]: Analyzing trace with hash 547879548, now seen corresponding path program 1 times [2019-01-13 23:01:39,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:39,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:39,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:39,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:39,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:39,686 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-13 23:01:39,941 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 23:01:39,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:39,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:01:39,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:01:39,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:01:39,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:01:39,960 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 8 states. [2019-01-13 23:01:40,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:40,841 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2019-01-13 23:01:40,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:01:40,844 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-01-13 23:01:40,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:40,856 INFO L225 Difference]: With dead ends: 67 [2019-01-13 23:01:40,856 INFO L226 Difference]: Without dead ends: 61 [2019-01-13 23:01:40,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:01:40,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-01-13 23:01:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-01-13 23:01:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-13 23:01:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2019-01-13 23:01:40,901 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2019-01-13 23:01:40,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:40,902 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2019-01-13 23:01:40,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:01:40,902 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2019-01-13 23:01:40,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:01:40,903 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:40,904 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 23:01:40,904 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:40,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:40,907 INFO L82 PathProgramCache]: Analyzing trace with hash 547879549, now seen corresponding path program 1 times [2019-01-13 23:01:40,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:40,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:40,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:40,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:40,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:41,165 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 23:01:41,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:41,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:01:41,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:01:41,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:01:41,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:01:41,169 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 8 states. [2019-01-13 23:01:41,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:41,696 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2019-01-13 23:01:41,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:01:41,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-01-13 23:01:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:41,699 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:01:41,699 INFO L226 Difference]: Without dead ends: 60 [2019-01-13 23:01:41,700 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:01:41,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-13 23:01:41,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-13 23:01:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:01:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-01-13 23:01:41,710 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2019-01-13 23:01:41,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:41,711 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-01-13 23:01:41,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:01:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-01-13 23:01:41,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:01:41,712 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:41,712 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:41,712 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:41,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:41,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1848131426, now seen corresponding path program 1 times [2019-01-13 23:01:41,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:41,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:41,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:41,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:41,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:41,805 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 23:01:41,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:41,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:01:41,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:01:41,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:01:41,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:01:41,808 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2019-01-13 23:01:41,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:41,848 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-13 23:01:41,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:01:41,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-01-13 23:01:41,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:41,850 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:01:41,850 INFO L226 Difference]: Without dead ends: 60 [2019-01-13 23:01:41,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:01:41,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-13 23:01:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-13 23:01:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:01:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2019-01-13 23:01:41,859 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2019-01-13 23:01:41,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:41,859 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2019-01-13 23:01:41,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:01:41,860 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-01-13 23:01:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:01:41,861 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:41,861 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:41,862 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:41,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:41,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1004223487, now seen corresponding path program 1 times [2019-01-13 23:01:41,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:41,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:41,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:41,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:41,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:42,132 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 23:01:42,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:42,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:01:42,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:01:42,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:01:42,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:01:42,135 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 8 states. [2019-01-13 23:01:42,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:42,390 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2019-01-13 23:01:42,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:01:42,391 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2019-01-13 23:01:42,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:42,392 INFO L225 Difference]: With dead ends: 71 [2019-01-13 23:01:42,393 INFO L226 Difference]: Without dead ends: 69 [2019-01-13 23:01:42,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:01:42,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-01-13 23:01:42,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2019-01-13 23:01:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:01:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2019-01-13 23:01:42,402 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2019-01-13 23:01:42,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:42,402 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2019-01-13 23:01:42,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:01:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2019-01-13 23:01:42,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:01:42,403 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:42,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:42,405 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:42,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:42,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1004223488, now seen corresponding path program 1 times [2019-01-13 23:01:42,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:42,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:42,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:42,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:42,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:42,769 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 23:01:42,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:42,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 23:01:42,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:01:42,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:01:42,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:01:42,771 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2019-01-13 23:01:44,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:44,121 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2019-01-13 23:01:44,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-13 23:01:44,122 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2019-01-13 23:01:44,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:44,125 INFO L225 Difference]: With dead ends: 68 [2019-01-13 23:01:44,125 INFO L226 Difference]: Without dead ends: 68 [2019-01-13 23:01:44,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2019-01-13 23:01:44,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-01-13 23:01:44,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2019-01-13 23:01:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-13 23:01:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2019-01-13 23:01:44,134 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2019-01-13 23:01:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:44,134 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2019-01-13 23:01:44,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:01:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2019-01-13 23:01:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:01:44,135 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:44,136 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:44,136 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:44,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:44,136 INFO L82 PathProgramCache]: Analyzing trace with hash -2044644931, now seen corresponding path program 1 times [2019-01-13 23:01:44,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:44,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:44,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:44,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:44,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:44,224 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 23:01:44,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:44,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:01:44,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:01:44,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:01:44,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:01:44,225 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 6 states. [2019-01-13 23:01:44,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:44,466 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2019-01-13 23:01:44,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:01:44,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-01-13 23:01:44,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:44,469 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:01:44,470 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:01:44,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:01:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:01:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-01-13 23:01:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:01:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2019-01-13 23:01:44,477 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2019-01-13 23:01:44,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:44,478 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2019-01-13 23:01:44,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:01:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2019-01-13 23:01:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:01:44,478 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:44,480 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:44,480 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:44,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2044644930, now seen corresponding path program 1 times [2019-01-13 23:01:44,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:44,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:44,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:44,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:44,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:44,662 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 23:01:44,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:44,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:01:44,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:01:44,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:01:44,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:01:44,664 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2019-01-13 23:01:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:45,109 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2019-01-13 23:01:45,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:01:45,111 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2019-01-13 23:01:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:45,112 INFO L225 Difference]: With dead ends: 86 [2019-01-13 23:01:45,112 INFO L226 Difference]: Without dead ends: 67 [2019-01-13 23:01:45,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:01:45,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-13 23:01:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2019-01-13 23:01:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-13 23:01:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2019-01-13 23:01:45,122 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2019-01-13 23:01:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:45,122 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2019-01-13 23:01:45,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:01:45,123 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2019-01-13 23:01:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-13 23:01:45,123 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:45,124 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:45,126 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:45,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:45,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1066157070, now seen corresponding path program 1 times [2019-01-13 23:01:45,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:45,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:45,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:45,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:45,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:45,453 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 23:01:45,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:45,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:01:45,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:01:45,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:01:45,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:01:45,457 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2019-01-13 23:01:45,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:45,652 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2019-01-13 23:01:45,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:01:45,653 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-01-13 23:01:45,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:45,655 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:01:45,655 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:01:45,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:01:45,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:01:45,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2019-01-13 23:01:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:01:45,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2019-01-13 23:01:45,661 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2019-01-13 23:01:45,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:45,661 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2019-01-13 23:01:45,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:01:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2019-01-13 23:01:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-13 23:01:45,664 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:45,664 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:45,665 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_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:45,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:45,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1066157071, now seen corresponding path program 1 times [2019-01-13 23:01:45,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:45,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:45,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:45,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:45,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:45,934 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 23:01:45,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:45,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 23:01:45,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 23:01:45,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 23:01:45,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:01:45,937 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2019-01-13 23:01:46,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:46,197 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2019-01-13 23:01:46,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:01:46,198 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-01-13 23:01:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:46,199 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:01:46,199 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:01:46,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:01:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:01:46,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-01-13 23:01:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:01:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-01-13 23:01:46,205 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2019-01-13 23:01:46,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:46,211 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-01-13 23:01:46,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 23:01:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-13 23:01:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-13 23:01:46,212 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:46,212 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:46,212 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:46,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:46,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1195239789, now seen corresponding path program 1 times [2019-01-13 23:01:46,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:46,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:46,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:46,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:46,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:46,572 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 23:01:46,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:46,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:01:46,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:01:46,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:01:46,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:01:46,576 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2019-01-13 23:01:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:46,666 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2019-01-13 23:01:46,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:01:46,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-01-13 23:01:46,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:46,669 INFO L225 Difference]: With dead ends: 48 [2019-01-13 23:01:46,669 INFO L226 Difference]: Without dead ends: 44 [2019-01-13 23:01:46,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:01:46,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-13 23:01:46,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-01-13 23:01:46,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-01-13 23:01:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2019-01-13 23:01:46,674 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2019-01-13 23:01:46,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:46,674 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2019-01-13 23:01:46,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:01:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2019-01-13 23:01:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:01:46,675 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:46,675 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:46,678 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:46,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:46,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1920237935, now seen corresponding path program 1 times [2019-01-13 23:01:46,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:46,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:46,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:46,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:46,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:46,920 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 23:01:46,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:46,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:01:46,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:01:46,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:01:46,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:01:46,923 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 5 states. [2019-01-13 23:01:47,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:47,010 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-13 23:01:47,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:01:47,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:01:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:47,013 INFO L225 Difference]: With dead ends: 43 [2019-01-13 23:01:47,013 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 23:01:47,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:01:47,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 23:01:47,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-13 23:01:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-13 23:01:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-13 23:01:47,015 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2019-01-13 23:01:47,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:47,016 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-13 23:01:47,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:01:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-13 23:01:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:01:47,017 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:47,017 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:47,017 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:47,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1920237934, now seen corresponding path program 1 times [2019-01-13 23:01:47,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:47,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:47,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:47,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:47,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:47,295 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 23:01:47,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:47,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 23:01:47,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 23:01:47,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 23:01:47,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:01:47,296 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 10 states. [2019-01-13 23:01:47,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:47,566 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-01-13 23:01:47,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:01:47,568 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2019-01-13 23:01:47,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:47,569 INFO L225 Difference]: With dead ends: 42 [2019-01-13 23:01:47,569 INFO L226 Difference]: Without dead ends: 42 [2019-01-13 23:01:47,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2019-01-13 23:01:47,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-13 23:01:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-13 23:01:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:01:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2019-01-13 23:01:47,576 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2019-01-13 23:01:47,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:47,578 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2019-01-13 23:01:47,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 23:01:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2019-01-13 23:01:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 23:01:47,579 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:47,580 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:47,581 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:47,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:47,583 INFO L82 PathProgramCache]: Analyzing trace with hash 87540733, now seen corresponding path program 1 times [2019-01-13 23:01:47,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:47,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:47,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:47,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:47,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:47,917 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 23:01:47,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:47,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-01-13 23:01:47,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-13 23:01:47,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-13 23:01:47,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:01:47,919 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2019-01-13 23:01:48,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:48,436 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2019-01-13 23:01:48,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-13 23:01:48,437 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2019-01-13 23:01:48,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:48,439 INFO L225 Difference]: With dead ends: 41 [2019-01-13 23:01:48,439 INFO L226 Difference]: Without dead ends: 41 [2019-01-13 23:01:48,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2019-01-13 23:01:48,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-01-13 23:01:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-01-13 23:01:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-13 23:01:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2019-01-13 23:01:48,443 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 33 [2019-01-13 23:01:48,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:48,443 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2019-01-13 23:01:48,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-13 23:01:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2019-01-13 23:01:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-01-13 23:01:48,446 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:48,447 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:48,447 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:48,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1581204566, now seen corresponding path program 1 times [2019-01-13 23:01:48,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:48,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:48,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:48,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:48,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:48,786 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 23:01:48,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:48,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-01-13 23:01:48,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-01-13 23:01:48,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-01-13 23:01:48,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:01:48,788 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 15 states. [2019-01-13 23:01:49,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:49,333 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-01-13 23:01:49,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-13 23:01:49,334 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 34 [2019-01-13 23:01:49,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:49,335 INFO L225 Difference]: With dead ends: 40 [2019-01-13 23:01:49,335 INFO L226 Difference]: Without dead ends: 40 [2019-01-13 23:01:49,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-01-13 23:01:49,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-13 23:01:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-01-13 23:01:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-13 23:01:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2019-01-13 23:01:49,341 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 34 [2019-01-13 23:01:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:49,341 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2019-01-13 23:01:49,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-01-13 23:01:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2019-01-13 23:01:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-13 23:01:49,342 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:49,342 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:49,345 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_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_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:49,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:49,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1278834439, now seen corresponding path program 1 times [2019-01-13 23:01:49,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:49,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:49,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:49,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:49,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:01:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:01:49,418 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:01:49,437 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:01:49,451 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 20 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:01:49,451 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:01:49,452 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:01:49,452 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:01:49,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:01:49 BoogieIcfgContainer [2019-01-13 23:01:49,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:01:49,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:01:49,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:01:49,482 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:01:49,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:01:38" (3/4) ... [2019-01-13 23:01:49,485 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:01:49,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:01:49,486 INFO L168 Benchmark]: Toolchain (without parser) took 13538.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.9 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -197.8 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:49,487 INFO L168 Benchmark]: CDTParser took 0.19 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 23:01:49,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 839.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:49,489 INFO L168 Benchmark]: Boogie Preprocessor took 126.66 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 23:01:49,490 INFO L168 Benchmark]: RCFGBuilder took 1991.94 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: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:49,491 INFO L168 Benchmark]: TraceAbstraction took 10571.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:49,492 INFO L168 Benchmark]: Witness Printer took 4.12 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:01:49,497 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 839.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.66 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 1991.94 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: 97.7 MB). Peak memory consumption was 97.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10571.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.12 ms. Allocated memory is still 1.3 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: IntegerLiteral 20 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 13 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 14 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: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1455] CALL entry_point() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1449] CALL alloc_13() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={5:0}, global_list_13={2:0}, ldv_global_msg_list={3:0}, malloc(size)={5:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A13))={5:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, p={5:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={2:0}, head={2:0}, ldv_global_msg_list={3:0}, new={5:4}] [L1121] EXPR head->next VAL [global_list_13={2:0}, head={2:0}, head={2:0}, head->next={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, next={2:0}, prev={2:0}] [L1107] next->prev = new VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1108] new->next = next VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1109] new->prev = prev VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1110] prev->next = new VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}, next={2:0}, next={2:0}, prev={2:0}, prev={2:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={2:0}, head={2:0}, head={2:0}, head->next={2:0}, ldv_global_msg_list={3:0}, new={5:4}, new={5:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, p={5:0}] [L1449] RET alloc_13() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, list={2:0}] [L1099] list->next = list VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, list={2:0}, list={2:0}] [L1100] list->prev = list VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}, list={2:0}, list={2:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] [L1455] RET entry_point() VAL [global_list_13={2:0}, ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 321 locations, 71 error locations. UNSAFE Result, 10.5s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 505 SDtfs, 606 SDslu, 1506 SDs, 0 SdLazy, 1831 SolverSat, 246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 14 MinimizatonAttempts, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 48211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 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 23:01:51,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:01:51,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:01:51,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:01:51,834 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:01:51,835 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:01:51,837 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:01:51,840 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:01:51,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:01:51,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:01:51,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:01:51,849 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:01:51,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:01:51,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:01:51,860 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:01:51,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:01:51,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:01:51,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:01:51,873 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:01:51,874 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:01:51,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:01:51,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:01:51,881 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:01:51,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:01:51,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:01:51,885 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:01:51,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:01:51,889 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:01:51,890 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:01:51,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:01:51,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:01:51,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:01:51,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:01:51,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:01:51,898 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:01:51,899 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:01:51,901 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:01:51,927 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:01:51,928 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:01:51,929 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:01:51,929 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:01:51,929 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:01:51,929 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:01:51,930 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:01:51,930 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:01:51,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:01:51,931 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:01:51,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:01:51,931 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:01:51,931 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:01:51,931 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:01:51,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:01:51,932 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:01:51,932 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:01:51,932 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:01:51,932 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:01:51,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:01:51,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:01:51,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:01:51,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:01:51,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:01:51,935 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:01:51,935 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:01:51,935 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:01:51,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:01:51,935 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:01:51,935 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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2019-01-13 23:01:51,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:01:51,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:01:51,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:01:51,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:01:51,996 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:01:51,997 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-13 23:01:52,048 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e384caf8/afcce33db1f74c609fc3d61cfdc19391/FLAG579b4f350 [2019-01-13 23:01:52,549 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:01:52,550 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-13 23:01:52,579 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e384caf8/afcce33db1f74c609fc3d61cfdc19391/FLAG579b4f350 [2019-01-13 23:01:52,832 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e384caf8/afcce33db1f74c609fc3d61cfdc19391 [2019-01-13 23:01:52,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:01:52,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:01:52,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:01:52,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:01:52,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:01:52,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:01:52" (1/1) ... [2019-01-13 23:01:52,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5850dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:52, skipping insertion in model container [2019-01-13 23:01:52,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:01:52" (1/1) ... [2019-01-13 23:01:52,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:01:52,905 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:01:53,316 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:01:53,348 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:01:53,522 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:01:53,607 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:01:53,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53 WrapperNode [2019-01-13 23:01:53,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:01:53,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:01:53,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:01:53,609 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:01:53,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (1/1) ... [2019-01-13 23:01:53,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (1/1) ... [2019-01-13 23:01:53,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (1/1) ... [2019-01-13 23:01:53,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (1/1) ... [2019-01-13 23:01:53,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (1/1) ... [2019-01-13 23:01:53,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (1/1) ... [2019-01-13 23:01:53,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (1/1) ... [2019-01-13 23:01:53,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:01:53,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:01:53,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:01:53,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:01:53,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (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 23:01:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:01:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:01:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:01:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:01:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:01:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:01:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:01:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:01:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:01:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:01:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:01:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:01:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:01:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:01:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:01:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:01:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:01:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:01:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:01:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:01:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:01:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:01:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:01:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:01:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:01:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:01:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:01:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:01:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:01:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:01:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:01:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:01:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2019-01-13 23:01:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:01:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:01:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:01:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:01:53,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:01:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:01:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:01:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:01:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:01:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:01:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:01:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:01:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:01:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:01:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:01:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:01:53,793 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:01:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:01:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:01:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:01:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:01:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:01:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:01:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:01:53,795 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:01:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:01:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:01:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:01:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:01:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:01:53,796 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:01:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:01:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:01:53,798 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:01:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:01:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:01:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:01:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:01:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:01:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:01:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:01:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:01:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:01:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:01:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:01:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:01:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:01:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:01:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:01:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:01:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:01:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:01:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:01:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:01:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:01:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:01:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:01:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:01:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:01:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:01:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:01:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:01:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:01:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:01:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:01:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:01:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:01:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:01:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:01:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:01:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:01:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:01:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:01:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:01:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:01:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:01:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:01:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:01:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:01:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:01:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:01:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:01:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:01:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:01:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:01:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:01:54,746 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:01:55,708 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:01:56,512 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:01:56,512 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:01:56,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:01:56 BoogieIcfgContainer [2019-01-13 23:01:56,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:01:56,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:01:56,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:01:56,521 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:01:56,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:01:52" (1/3) ... [2019-01-13 23:01:56,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c69d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:01:56, skipping insertion in model container [2019-01-13 23:01:56,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:01:53" (2/3) ... [2019-01-13 23:01:56,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c69d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:01:56, skipping insertion in model container [2019-01-13 23:01:56,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:01:56" (3/3) ... [2019-01-13 23:01:56,526 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2019-01-13 23:01:56,534 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:01:56,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2019-01-13 23:01:56,558 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2019-01-13 23:01:56,579 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:01:56,580 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:01:56,580 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:01:56,580 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:01:56,581 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:01:56,581 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:01:56,581 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:01:56,581 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:01:56,581 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:01:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-01-13 23:01:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:01:56,612 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:56,613 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 23:01:56,616 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:01:56,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:56,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1241854814, now seen corresponding path program 1 times [2019-01-13 23:01:56,629 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:01:56,630 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 23:01:56,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:56,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:01:56,895 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:01:56,952 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:01:57,044 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:01:57,074 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:01:57,081 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:01:57,115 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:01:57,116 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:01:57,233 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 15 treesize of output 14 [2019-01-13 23:01:57,234 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:01:57,295 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:01:57,353 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:01:57,444 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-13 23:01:57,445 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2019-01-13 23:01:57,741 WARN L181 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 16 [2019-01-13 23:01:57,772 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2019-01-13 23:01:57,789 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:01:57,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:01:57,806 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:01:57,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:01:57,831 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2019-01-13 23:01:58,082 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:01:58,082 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:01:58,096 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:01:58,097 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2019-01-13 23:01:58,220 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 23:01:58,221 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:01:58,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:58,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:01:58,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:01:58,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:01:58,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:01:58,257 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 7 states. [2019-01-13 23:02:01,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:02:01,468 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2019-01-13 23:02:01,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:02:01,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-01-13 23:02:01,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:02:01,481 INFO L225 Difference]: With dead ends: 92 [2019-01-13 23:02:01,481 INFO L226 Difference]: Without dead ends: 80 [2019-01-13 23:02:01,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:02:01,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-01-13 23:02:01,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 61. [2019-01-13 23:02:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-13 23:02:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2019-01-13 23:02:01,523 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2019-01-13 23:02:01,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:02:01,524 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2019-01-13 23:02:01,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:02:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2019-01-13 23:02:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:02:01,525 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:02:01,525 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 23:02:01,526 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:02:01,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:02:01,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1241854813, now seen corresponding path program 1 times [2019-01-13 23:02:01,526 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:02:01,527 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 23:02:01,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:02:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:02:01,642 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:02:01,760 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 23:02:01,760 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:02:01,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:02:01,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:02:01,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:02:01,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:02:01,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:02:01,768 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 5 states. [2019-01-13 23:02:01,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:02:01,795 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2019-01-13 23:02:01,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:02:01,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-13 23:02:01,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:02:01,799 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:02:01,799 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:02:01,800 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 23:02:01,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:02:01,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-01-13 23:02:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:02:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2019-01-13 23:02:01,810 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 17 [2019-01-13 23:02:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:02:01,811 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2019-01-13 23:02:01,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:02:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2019-01-13 23:02:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 23:02:01,812 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:02:01,813 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 23:02:01,813 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:02:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:02:01,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1310302148, now seen corresponding path program 1 times [2019-01-13 23:02:01,814 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:02:01,814 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 23:02:01,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:02:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:02:01,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:02:01,944 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:02:01,953 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:01,975 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:02:01,994 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:02,003 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:02,021 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:02:02,022 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:02:02,106 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 15 treesize of output 14 [2019-01-13 23:02:02,107 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,163 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:02:02,211 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:02:02,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 23:02:02,339 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 23:02:02,340 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,346 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,416 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:02:02,417 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:34, output treesize:110 [2019-01-13 23:02:02,590 WARN L181 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2019-01-13 23:02:02,602 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2019-01-13 23:02:02,607 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:02:02,608 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,623 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2019-01-13 23:02:02,670 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:02:02,670 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,681 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:02:02,712 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:43 [2019-01-13 23:02:02,802 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:02,803 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:02,804 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 27 treesize of output 19 [2019-01-13 23:02:02,805 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,882 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 14 [2019-01-13 23:02:02,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,924 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2019-01-13 23:02:02,925 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2019-01-13 23:02:02,963 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:02:02,978 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:55, output treesize:10 [2019-01-13 23:02:08,854 WARN L181 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-13 23:02:08,868 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:08,870 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:08,872 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 32 treesize of output 24 [2019-01-13 23:02:08,873 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:08,975 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2019-01-13 23:02:08,976 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-13 23:02:09,099 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:09,101 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:09,106 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:02:09,107 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-01-13 23:02:09,108 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:09,212 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-01-13 23:02:09,212 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:02:09,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:02:09,291 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:65, output treesize:28 [2019-01-13 23:02:10,683 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 23:02:10,683 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:02:10,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:02:10,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:02:10,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:02:10,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:02:10,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=50, Unknown=4, NotChecked=0, Total=72 [2019-01-13 23:02:10,688 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 9 states. [2019-01-13 23:02:16,859 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-01-13 23:02:27,068 WARN L181 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-01-13 23:02:39,732 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-01-13 23:02:45,744 WARN L181 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-01-13 23:03:15,859 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-01-13 23:03:27,785 WARN L181 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-01-13 23:03:27,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:03:27,890 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2019-01-13 23:03:27,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:03:27,891 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2019-01-13 23:03:27,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:03:27,893 INFO L225 Difference]: With dead ends: 75 [2019-01-13 23:03:27,893 INFO L226 Difference]: Without dead ends: 75 [2019-01-13 23:03:27,894 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 39.4s TimeCoverageRelationStatistics Valid=71, Invalid=152, Unknown=17, NotChecked=0, Total=240 [2019-01-13 23:03:27,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-13 23:03:27,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 59. [2019-01-13 23:03:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:03:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2019-01-13 23:03:27,903 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 17 [2019-01-13 23:03:27,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:03:27,903 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2019-01-13 23:03:27,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:03:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2019-01-13 23:03:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:03:27,905 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:03:27,905 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:03:27,906 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:03:27,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:03:27,906 INFO L82 PathProgramCache]: Analyzing trace with hash 499925381, now seen corresponding path program 1 times [2019-01-13 23:03:27,906 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:03:27,906 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 23:03:27,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:03:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:03:27,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:03:28,015 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:03:28,077 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:28,113 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:03:28,132 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:28,139 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:28,150 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:03:28,151 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:03:28,233 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 15 treesize of output 14 [2019-01-13 23:03:28,234 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:28,294 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:03:28,336 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:03:28,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2019-01-13 23:03:28,384 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2019-01-13 23:03:28,441 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2019-01-13 23:03:28,444 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:03:28,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:28,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:28,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:28,447 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2019-01-13 23:03:28,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:03:28,466 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:28,468 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:28,468 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2019-01-13 23:03:28,506 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 23:03:28,506 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:03:28,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:03:28,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:03:28,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:03:28,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:03:28,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:03:28,516 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 7 states. [2019-01-13 23:03:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:03:33,252 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2019-01-13 23:03:33,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:03:33,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-01-13 23:03:33,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:03:33,254 INFO L225 Difference]: With dead ends: 71 [2019-01-13 23:03:33,254 INFO L226 Difference]: Without dead ends: 71 [2019-01-13 23:03:33,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:03:33,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-13 23:03:33,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 57. [2019-01-13 23:03:33,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:03:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2019-01-13 23:03:33,262 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 19 [2019-01-13 23:03:33,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:03:33,262 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2019-01-13 23:03:33,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:03:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-13 23:03:33,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:03:33,263 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:03:33,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:03:33,265 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:03:33,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:03:33,266 INFO L82 PathProgramCache]: Analyzing trace with hash 499925382, now seen corresponding path program 1 times [2019-01-13 23:03:33,266 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:03:33,266 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 23:03:33,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:03:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:03:33,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:03:33,366 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 23:03:33,372 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 23:03:33,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:33,381 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:33,397 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 23:03:33,398 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2019-01-13 23:03:33,432 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2019-01-13 23:03:33,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:03:33,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:33,437 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:33,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:33,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:9 [2019-01-13 23:03:33,470 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:03:33,470 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:33,475 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:33,475 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2019-01-13 23:03:33,517 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 23:03:33,517 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (6)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:03:33,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:03:33,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:03:33,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:03:33,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:03:33,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:03:33,521 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 7 states. [2019-01-13 23:03:34,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:03:34,230 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2019-01-13 23:03:34,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:03:34,232 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-01-13 23:03:34,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:03:34,234 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:03:34,234 INFO L226 Difference]: Without dead ends: 50 [2019-01-13 23:03:34,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:03:34,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-13 23:03:34,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-13 23:03:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:03:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2019-01-13 23:03:34,240 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 19 [2019-01-13 23:03:34,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:03:34,241 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2019-01-13 23:03:34,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:03:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2019-01-13 23:03:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:03:34,242 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:03:34,242 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:03:34,243 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:03:34,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:03:34,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1746152258, now seen corresponding path program 1 times [2019-01-13 23:03:34,245 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:03:34,245 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 23:03:34,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:03:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:03:34,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:03:34,404 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2019-01-13 23:03:34,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:03:34,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:34,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:34,428 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:34,428 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2019-01-13 23:03:34,499 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2019-01-13 23:03:34,503 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2019-01-13 23:03:34,504 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:34,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:34,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:34,515 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:5 [2019-01-13 23:03:34,570 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 23:03:34,570 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:03:34,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:03:34,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:03:34,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:03:34,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:03:34,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:03:34,574 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 9 states. [2019-01-13 23:03:35,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:03:35,496 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2019-01-13 23:03:35,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:03:35,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2019-01-13 23:03:35,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:03:35,499 INFO L225 Difference]: With dead ends: 63 [2019-01-13 23:03:35,499 INFO L226 Difference]: Without dead ends: 63 [2019-01-13 23:03:35,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:03:35,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-01-13 23:03:35,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 49. [2019-01-13 23:03:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-13 23:03:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2019-01-13 23:03:35,506 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 20 [2019-01-13 23:03:35,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:03:35,507 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2019-01-13 23:03:35,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:03:35,507 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2019-01-13 23:03:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:03:35,508 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:03:35,508 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:03:35,508 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:03:35,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:03:35,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1746152257, now seen corresponding path program 1 times [2019-01-13 23:03:35,512 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:03:35,512 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 23:03:35,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:03:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:03:35,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:03:35,670 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:03:35,684 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:35,700 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2019-01-13 23:03:35,708 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 15 treesize of output 14 [2019-01-13 23:03:35,708 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:35,743 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:35,749 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:35,761 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2019-01-13 23:03:35,762 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:03:35,820 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:03:35,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:03:35,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2019-01-13 23:03:35,929 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 23:03:35,930 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:35,972 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:36,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:03:36,025 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:48, output treesize:152 [2019-01-13 23:03:36,187 WARN L181 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-01-13 23:03:36,274 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2019-01-13 23:03:36,275 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:36,359 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2019-01-13 23:03:36,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:36,440 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:36,440 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:101, output treesize:33 [2019-01-13 23:03:41,250 WARN L181 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 29 [2019-01-13 23:03:41,305 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,326 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 62 [2019-01-13 23:03:41,329 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-01-13 23:03:41,527 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,529 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,533 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,534 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2019-01-13 23:03:41,535 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:41,717 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,718 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,720 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 54 treesize of output 46 [2019-01-13 23:03:41,720 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:41,727 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,728 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:03:41,729 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 52 treesize of output 44 [2019-01-13 23:03:41,730 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:41,889 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2019-01-13 23:03:41,890 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:42,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:03:42,030 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:111, output treesize:74 [2019-01-13 23:03:44,206 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-01-13 23:03:44,222 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2019-01-13 23:03:44,223 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:44,226 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:44,249 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2019-01-13 23:03:44,253 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2019-01-13 23:03:44,253 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:03:44,256 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:44,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:03:44,266 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:9 [2019-01-13 23:03:44,383 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 23:03:44,383 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (8)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:03:44,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:03:44,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 23:03:44,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:03:44,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:03:44,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=87, Unknown=3, NotChecked=0, Total=110 [2019-01-13 23:03:44,387 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 11 states. [2019-01-13 23:03:52,128 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-01-13 23:04:02,026 WARN L181 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-01-13 23:04:07,817 WARN L181 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-01-13 23:04:13,932 WARN L181 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2019-01-13 23:04:18,147 WARN L181 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2019-01-13 23:04:25,800 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-01-13 23:04:33,743 WARN L181 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-01-13 23:04:34,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:04:34,500 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2019-01-13 23:04:34,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:04:34,501 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2019-01-13 23:04:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:04:34,502 INFO L225 Difference]: With dead ends: 56 [2019-01-13 23:04:34,502 INFO L226 Difference]: Without dead ends: 56 [2019-01-13 23:04:34,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 30.7s TimeCoverageRelationStatistics Valid=78, Invalid=249, Unknown=15, NotChecked=0, Total=342 [2019-01-13 23:04:34,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-01-13 23:04:34,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2019-01-13 23:04:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-13 23:04:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2019-01-13 23:04:34,514 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 20 [2019-01-13 23:04:34,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:04:34,515 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2019-01-13 23:04:34,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:04:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2019-01-13 23:04:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 23:04:34,516 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:04:34,517 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:04:34,517 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:04:34,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:04:34,517 INFO L82 PathProgramCache]: Analyzing trace with hash 696438887, now seen corresponding path program 1 times [2019-01-13 23:04:34,518 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:04:34,518 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:04:34,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:04:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:04:34,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:04:34,607 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 23:04:34,607 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:04:34,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:04:34,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:04:34,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:04:34,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:04:34,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:04:34,610 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 5 states. [2019-01-13 23:04:34,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:04:34,619 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2019-01-13 23:04:34,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:04:34,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-01-13 23:04:34,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:04:34,622 INFO L225 Difference]: With dead ends: 48 [2019-01-13 23:04:34,622 INFO L226 Difference]: Without dead ends: 48 [2019-01-13 23:04:34,622 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:04:34,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-01-13 23:04:34,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-01-13 23:04:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-13 23:04:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 47 transitions. [2019-01-13 23:04:34,628 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 47 transitions. Word has length 19 [2019-01-13 23:04:34,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:04:34,628 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 47 transitions. [2019-01-13 23:04:34,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:04:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 47 transitions. [2019-01-13 23:04:34,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-13 23:04:34,630 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:04:34,630 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:04:34,631 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:04:34,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:04:34,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1703854902, now seen corresponding path program 1 times [2019-01-13 23:04:34,631 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:04:34,631 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 23:04:34,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:04:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:04:34,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:04:34,763 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 23:04:34,764 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:34,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:34,767 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:04:35,164 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 23:04:35,164 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:04:35,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:04:35,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:04:35,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:04:35,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:04:35,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:04:35,167 INFO L87 Difference]: Start difference. First operand 48 states and 47 transitions. Second operand 9 states. [2019-01-13 23:04:35,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:04:35,656 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2019-01-13 23:04:35,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:04:35,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-01-13 23:04:35,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:04:35,659 INFO L225 Difference]: With dead ends: 46 [2019-01-13 23:04:35,659 INFO L226 Difference]: Without dead ends: 46 [2019-01-13 23:04:35,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:04:35,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-13 23:04:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-13 23:04:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-13 23:04:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2019-01-13 23:04:35,664 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 21 [2019-01-13 23:04:35,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:04:35,664 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2019-01-13 23:04:35,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:04:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2019-01-13 23:04:35,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-13 23:04:35,665 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:04:35,665 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:04:35,665 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:04:35,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:04:35,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1703854903, now seen corresponding path program 1 times [2019-01-13 23:04:35,670 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:04:35,670 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 23:04:35,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:04:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:04:35,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:04:35,837 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 23:04:35,837 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:35,893 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:35,893 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-01-13 23:04:36,045 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 23:04:36,045 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:04:36,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:04:36,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 23:04:36,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 23:04:36,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 23:04:36,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:04:36,049 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 10 states. [2019-01-13 23:04:36,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:04:36,719 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2019-01-13 23:04:36,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:04:36,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-01-13 23:04:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:04:36,723 INFO L225 Difference]: With dead ends: 44 [2019-01-13 23:04:36,723 INFO L226 Difference]: Without dead ends: 44 [2019-01-13 23:04:36,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:04:36,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-01-13 23:04:36,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-01-13 23:04:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-01-13 23:04:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2019-01-13 23:04:36,730 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2019-01-13 23:04:36,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:04:36,734 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2019-01-13 23:04:36,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 23:04:36,734 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2019-01-13 23:04:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:04:36,735 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:04:36,735 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:04:36,736 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:04:36,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:04:36,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1022022809, now seen corresponding path program 1 times [2019-01-13 23:04:36,736 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:04:36,737 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:04:36,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:04:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:04:36,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:04:36,919 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2019-01-13 23:04:36,923 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2019-01-13 23:04:36,923 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:36,927 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:36,930 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:36,930 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:9, output treesize:1 [2019-01-13 23:04:36,971 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 23:04:36,971 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:04:36,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:04:36,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:04:36,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:04:36,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:04:36,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:04:36,975 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 6 states. [2019-01-13 23:04:41,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:04:41,348 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2019-01-13 23:04:41,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:04:41,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-13 23:04:41,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:04:41,350 INFO L225 Difference]: With dead ends: 43 [2019-01-13 23:04:41,350 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 23:04:41,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:04:41,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 23:04:41,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-01-13 23:04:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-13 23:04:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2019-01-13 23:04:41,354 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2019-01-13 23:04:41,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:04:41,354 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2019-01-13 23:04:41,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:04:41,354 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2019-01-13 23:04:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:04:41,355 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:04:41,356 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:04:41,358 INFO L423 AbstractCegarLoop]: === Iteration 12 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:04:41,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:04:41,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1022022810, now seen corresponding path program 1 times [2019-01-13 23:04:41,359 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:04:41,359 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:04:41,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:04:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:04:41,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:04:41,623 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-01-13 23:04:41,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-01-13 23:04:41,628 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:41,640 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:41,661 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2019-01-13 23:04:41,682 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2019-01-13 23:04:41,683 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:41,705 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:41,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:41,713 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:10 [2019-01-13 23:04:41,817 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 23:04:41,817 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:04:41,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:04:41,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:04:41,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:04:41,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:04:41,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-01-13 23:04:41,821 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 9 states. [2019-01-13 23:04:42,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:04:42,583 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2019-01-13 23:04:42,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:04:42,584 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2019-01-13 23:04:42,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:04:42,586 INFO L225 Difference]: With dead ends: 42 [2019-01-13 23:04:42,586 INFO L226 Difference]: Without dead ends: 42 [2019-01-13 23:04:42,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:04:42,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-01-13 23:04:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-01-13 23:04:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 23:04:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2019-01-13 23:04:42,591 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2019-01-13 23:04:42,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:04:42,591 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2019-01-13 23:04:42,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:04:42,592 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2019-01-13 23:04:42,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-01-13 23:04:42,595 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:04:42,595 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:04:42,595 INFO L423 AbstractCegarLoop]: === Iteration 13 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:04:42,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:04:42,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1086080165, now seen corresponding path program 1 times [2019-01-13 23:04:42,596 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:04:42,596 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:04:42,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:04:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:04:42,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:04:42,804 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2019-01-13 23:04:42,814 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2019-01-13 23:04:42,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:42,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:42,840 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2019-01-13 23:04:42,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:04:42,845 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2019-01-13 23:04:42,845 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:42,847 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:42,857 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:42,858 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:33, output treesize:10 [2019-01-13 23:04:43,177 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2019-01-13 23:04:43,183 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:04:43,184 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2019-01-13 23:04:43,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:43,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:43,220 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2019-01-13 23:04:43,224 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-01-13 23:04:43,225 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:04:43,228 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:43,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:04:43,236 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2019-01-13 23:04:43,359 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 23:04:43,360 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:04:43,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:04:43,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-01-13 23:04:43,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-01-13 23:04:43,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-01-13 23:04:43,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:04:43,365 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2019-01-13 23:04:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:04:45,457 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2019-01-13 23:04:45,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-01-13 23:04:45,460 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2019-01-13 23:04:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:04:45,461 INFO L225 Difference]: With dead ends: 40 [2019-01-13 23:04:45,461 INFO L226 Difference]: Without dead ends: 40 [2019-01-13 23:04:45,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2019-01-13 23:04:45,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-01-13 23:04:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-01-13 23:04:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-13 23:04:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2019-01-13 23:04:45,465 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 33 [2019-01-13 23:04:45,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:04:45,465 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2019-01-13 23:04:45,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-01-13 23:04:45,466 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2019-01-13 23:04:45,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-13 23:04:45,467 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:04:45,469 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:04:45,469 INFO L423 AbstractCegarLoop]: === Iteration 14 === [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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-01-13 23:04:45,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:04:45,470 INFO L82 PathProgramCache]: Analyzing trace with hash 492391938, now seen corresponding path program 1 times [2019-01-13 23:04:45,470 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:04:45,470 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:04:45,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:04:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:04:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:04:46,064 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:04:46,087 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:04:46,094 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 23:04:46,096 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 23:04:46,096 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 23:04:46,096 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 23:04:46,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:04:46 BoogieIcfgContainer [2019-01-13 23:04:46,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:04:46,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:04:46,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:04:46,114 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:04:46,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:01:56" (3/4) ... [2019-01-13 23:04:46,123 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:04:46,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:04:46,125 INFO L168 Benchmark]: Toolchain (without parser) took 173288.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.8 MB). Free memory was 946.0 MB in the beginning and 1.0 GB in the end (delta: -77.2 MB). Peak memory consumption was 176.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:04:46,126 INFO L168 Benchmark]: CDTParser took 0.16 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 23:04:46,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2019-01-13 23:04:46,126 INFO L168 Benchmark]: Boogie Preprocessor took 109.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:04:46,126 INFO L168 Benchmark]: RCFGBuilder took 2798.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.8 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:04:46,130 INFO L168 Benchmark]: TraceAbstraction took 169596.22 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 977.8 MB in the beginning and 1.0 GB in the end (delta: -45.4 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. [2019-01-13 23:04:46,130 INFO L168 Benchmark]: Witness Printer took 8.71 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:04:46,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 770.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2798.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 977.8 MB in the end (delta: 107.0 MB). Peak memory consumption was 107.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 169596.22 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 977.8 MB in the beginning and 1.0 GB in the end (delta: -45.4 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. * Witness Printer took 8.71 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification 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# - 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: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}] [L1455] CALL entry_point() VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}] [L1449] CALL alloc_13() VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={30143:0}, global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, malloc(size)={30143:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, ldv_malloc(sizeof(struct A13))={30143:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, p={30143:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={-2147483136:0}, head={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}] [L1121] EXPR head->next VAL [global_list_13={-2147483136:0}, head={-2147483136:0}, head={-2147483136:0}, head->next={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}, new={30143:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}, next={-2147483136:0}, prev={-2147483136:0}] [L1107] next->prev = new VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}, new={30143:4}, next={-2147483136:0}, next={-2147483136:0}, prev={-2147483136:0}, prev={-2147483136:0}] [L1108] new->next = next VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}, new={30143:4}, next={-2147483136:0}, next={-2147483136:0}, prev={-2147483136:0}, prev={-2147483136:0}] [L1109] new->prev = prev VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}, new={30143:4}, next={-2147483136:0}, next={-2147483136:0}, prev={-2147483136:0}, prev={-2147483136:0}] [L1110] prev->next = new VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}, new={30143:4}, next={-2147483136:0}, next={-2147483136:0}, prev={-2147483136:0}, prev={-2147483136:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={-2147483136:0}, head={-2147483136:0}, head={-2147483136:0}, head->next={-2147483136:0}, ldv_global_msg_list={-30656:0}, new={30143:4}, new={30143:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, p={30143:0}] [L1449] RET alloc_13() VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, list={-2147483136:0}] [L1099] list->next = list VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, list={-2147483136:0}, list={-2147483136:0}] [L1100] list->prev = list VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}, list={-2147483136:0}, list={-2147483136:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}] [L1455] RET entry_point() VAL [global_list_13={-2147483136:0}, ldv_global_msg_list={-30656:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 323 locations, 71 error locations. UNSAFE Result, 169.5s OverallTime, 14 OverallIterations, 1 TraceHistogramMax, 145.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 447 SDtfs, 620 SDslu, 1447 SDs, 0 SdLazy, 1635 SolverSat, 264 SolverUnsat, 44 SolverUnknown, 0 SolverNotchecked, 86.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 159 SyntacticMatches, 15 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 74.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 13 MinimizatonAttempts, 73 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 256 ConstructedInterpolants, 10 QuantifiedInterpolants, 71836 SizeOfPredicates, 132 NumberOfNonLiveVariables, 1711 ConjunctsInSsa, 266 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 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...