./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_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_test6_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 feda0632364bc935bd065aa8fb45d18a1f6a230c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_test6_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 feda0632364bc935bd065aa8fb45d18a1f6a230c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:09:23,183 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:09:23,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:09:23,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:09:23,203 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:09:23,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:09:23,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:09:23,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:09:23,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:09:23,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:09:23,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:09:23,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:09:23,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:09:23,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:09:23,230 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:09:23,231 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:09:23,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:09:23,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:09:23,242 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:09:23,243 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:09:23,244 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:09:23,245 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:09:23,247 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:09:23,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:09:23,248 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:09:23,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:09:23,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:09:23,250 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:09:23,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:09:23,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:09:23,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:09:23,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:09:23,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:09:23,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:09:23,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:09:23,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:09:23,255 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:09:23,275 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:09:23,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:09:23,277 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:09:23,277 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:09:23,277 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:09:23,277 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:09:23,277 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:09:23,278 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:09:23,279 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:09:23,279 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:09:23,279 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:09:23,279 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:09:23,279 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:09:23,279 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:09:23,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:09:23,280 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:09:23,280 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:09:23,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:09:23,280 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:09:23,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:09:23,282 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:09:23,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:09:23,282 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:09:23,282 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:09:23,283 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:09:23,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:09:23,283 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 -> feda0632364bc935bd065aa8fb45d18a1f6a230c [2019-01-13 23:09:23,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:09:23,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:09:23,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:09:23,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:09:23,338 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:09:23,339 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-13 23:09:23,387 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce39ffe09/014eb93f72d849f5878919a76206ec68/FLAG7da032570 [2019-01-13 23:09:23,944 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:09:23,945 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-13 23:09:23,964 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce39ffe09/014eb93f72d849f5878919a76206ec68/FLAG7da032570 [2019-01-13 23:09:24,235 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce39ffe09/014eb93f72d849f5878919a76206ec68 [2019-01-13 23:09:24,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:09:24,241 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:09:24,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:24,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:09:24,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:09:24,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:24" (1/1) ... [2019-01-13 23:09:24,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1923f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:24, skipping insertion in model container [2019-01-13 23:09:24,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:24" (1/1) ... [2019-01-13 23:09:24,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:09:24,343 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:09:24,833 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:24,859 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:09:25,034 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:25,122 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:09:25,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25 WrapperNode [2019-01-13 23:09:25,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:25,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:09:25,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:09:25,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:09:25,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (1/1) ... [2019-01-13 23:09:25,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (1/1) ... [2019-01-13 23:09:25,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (1/1) ... [2019-01-13 23:09:25,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (1/1) ... [2019-01-13 23:09:25,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (1/1) ... [2019-01-13 23:09:25,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (1/1) ... [2019-01-13 23:09:25,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (1/1) ... [2019-01-13 23:09:25,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:09:25,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:09:25,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:09:25,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:09:25,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (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 23:09:25,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:09:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:09:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:09:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:09:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:09:25,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:09:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:09:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:09:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:09:25,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:09:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:09:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:09:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:09:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:09:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:09:25,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:09:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:09:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:09:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:09:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:09:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:09:25,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:09:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:09:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:09:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:09:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:09:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:09:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:09:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:09:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:09:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:09:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:09:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:09:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:09:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:09:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:09:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-13 23:09:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-13 23:09:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2019-01-13 23:09:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-01-13 23:09:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:09:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:09:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:09:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:09:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:09:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:09:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:09:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:09:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:09:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:09:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:09:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:09:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:09:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:09:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:09:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:09:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:09:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:09:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:09:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:09:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:09:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:09:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:09:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:09:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:09:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:09:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:09:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:09:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:09:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:09:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:09:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:09:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:09:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:09:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:09:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:09:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:09:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:09:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:09:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:09:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:09:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:09:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:09:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:09:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:09:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:09:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:09:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:09:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:09:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:09:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:09:25,352 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:09:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:09:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:09:25,357 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:09:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:09:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:09:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:09:25,358 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:09:25,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:09:25,360 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:09:25,361 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:09:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:09:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:09:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:09:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:09:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:09:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:09:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:09:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:09:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:09:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:09:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:09:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-13 23:09:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-13 23:09:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2019-01-13 23:09:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-01-13 23:09:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:09:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:09:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:09:25,988 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:27,038 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:27,830 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:09:27,830 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:09:27,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:27 BoogieIcfgContainer [2019-01-13 23:09:27,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:09:27,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:09:27,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:09:27,836 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:09:27,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:09:24" (1/3) ... [2019-01-13 23:09:27,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e697c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:27, skipping insertion in model container [2019-01-13 23:09:27,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:25" (2/3) ... [2019-01-13 23:09:27,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e697c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:27, skipping insertion in model container [2019-01-13 23:09:27,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:27" (3/3) ... [2019-01-13 23:09:27,840 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-13 23:09:27,850 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:09:27,860 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 83 error locations. [2019-01-13 23:09:27,878 INFO L257 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2019-01-13 23:09:27,905 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:09:27,906 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:09:27,906 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:09:27,906 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:09:27,906 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:09:27,906 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:09:27,906 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:09:27,907 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:09:27,907 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:09:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-01-13 23:09:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:27,940 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:27,942 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 23:09:27,944 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:27,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:27,951 INFO L82 PathProgramCache]: Analyzing trace with hash -203927755, now seen corresponding path program 1 times [2019-01-13 23:09:27,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:27,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:28,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:28,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:28,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:28,308 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 23:09:28,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:28,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:28,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:28,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:28,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:28,333 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 5 states. [2019-01-13 23:09:28,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:28,457 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2019-01-13 23:09:28,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:28,459 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-13 23:09:28,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:28,472 INFO L225 Difference]: With dead ends: 85 [2019-01-13 23:09:28,472 INFO L226 Difference]: Without dead ends: 82 [2019-01-13 23:09:28,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:28,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-13 23:09:28,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 65. [2019-01-13 23:09:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-13 23:09:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2019-01-13 23:09:28,521 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 20 [2019-01-13 23:09:28,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:28,522 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2019-01-13 23:09:28,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:28,522 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2019-01-13 23:09:28,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:28,523 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:28,523 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 23:09:28,524 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:28,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:28,525 INFO L82 PathProgramCache]: Analyzing trace with hash -400441260, now seen corresponding path program 1 times [2019-01-13 23:09:28,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:28,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:28,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:28,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:28,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:28,630 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 23:09:28,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:28,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:28,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:28,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:28,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:28,634 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 4 states. [2019-01-13 23:09:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:29,181 INFO L93 Difference]: Finished difference Result 108 states and 119 transitions. [2019-01-13 23:09:29,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:29,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:29,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:29,185 INFO L225 Difference]: With dead ends: 108 [2019-01-13 23:09:29,186 INFO L226 Difference]: Without dead ends: 105 [2019-01-13 23:09:29,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:29,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-01-13 23:09:29,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 83. [2019-01-13 23:09:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-13 23:09:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2019-01-13 23:09:29,219 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 20 [2019-01-13 23:09:29,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:29,220 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2019-01-13 23:09:29,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2019-01-13 23:09:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:29,223 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:29,223 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 23:09:29,225 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:29,226 INFO L82 PathProgramCache]: Analyzing trace with hash -400441259, now seen corresponding path program 1 times [2019-01-13 23:09:29,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:29,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:29,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:29,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:29,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:29,380 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 23:09:29,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:29,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:29,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:29,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:29,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:29,383 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 4 states. [2019-01-13 23:09:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:29,796 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2019-01-13 23:09:29,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:29,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:29,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:29,800 INFO L225 Difference]: With dead ends: 120 [2019-01-13 23:09:29,800 INFO L226 Difference]: Without dead ends: 119 [2019-01-13 23:09:29,802 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:29,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-01-13 23:09:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2019-01-13 23:09:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:09:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2019-01-13 23:09:29,814 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 20 [2019-01-13 23:09:29,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:29,814 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2019-01-13 23:09:29,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2019-01-13 23:09:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:09:29,816 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:29,816 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:29,817 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:29,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:29,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1897779190, now seen corresponding path program 1 times [2019-01-13 23:09:29,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:29,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:29,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:29,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:29,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:29,911 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 23:09:29,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:29,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:29,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:29,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:29,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:29,913 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand 5 states. [2019-01-13 23:09:29,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:29,954 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2019-01-13 23:09:29,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:29,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:09:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:29,958 INFO L225 Difference]: With dead ends: 103 [2019-01-13 23:09:29,959 INFO L226 Difference]: Without dead ends: 103 [2019-01-13 23:09:29,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-01-13 23:09:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-01-13 23:09:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-13 23:09:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2019-01-13 23:09:29,969 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 22 [2019-01-13 23:09:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:29,969 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2019-01-13 23:09:29,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2019-01-13 23:09:29,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:09:29,970 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:29,970 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:29,971 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:29,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1723015667, now seen corresponding path program 1 times [2019-01-13 23:09:29,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:29,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:29,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:29,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:29,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:30,099 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 23:09:30,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:30,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:30,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:30,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:30,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:30,101 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 6 states. [2019-01-13 23:09:30,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:30,544 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2019-01-13 23:09:30,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:09:30,545 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-13 23:09:30,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:30,548 INFO L225 Difference]: With dead ends: 124 [2019-01-13 23:09:30,549 INFO L226 Difference]: Without dead ends: 124 [2019-01-13 23:09:30,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:09:30,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-01-13 23:09:30,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 109. [2019-01-13 23:09:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-13 23:09:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions. [2019-01-13 23:09:30,564 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 22 [2019-01-13 23:09:30,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:30,564 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 132 transitions. [2019-01-13 23:09:30,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2019-01-13 23:09:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:09:30,566 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:30,566 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:30,567 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:30,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:30,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1723015668, now seen corresponding path program 1 times [2019-01-13 23:09:30,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:30,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:30,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:30,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:30,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:30,663 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 23:09:30,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:30,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:09:30,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:30,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:30,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:30,667 INFO L87 Difference]: Start difference. First operand 109 states and 132 transitions. Second operand 6 states. [2019-01-13 23:09:30,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:30,737 INFO L93 Difference]: Finished difference Result 113 states and 135 transitions. [2019-01-13 23:09:30,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:30,740 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-13 23:09:30,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:30,741 INFO L225 Difference]: With dead ends: 113 [2019-01-13 23:09:30,741 INFO L226 Difference]: Without dead ends: 109 [2019-01-13 23:09:30,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:30,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-13 23:09:30,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-01-13 23:09:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-13 23:09:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2019-01-13 23:09:30,766 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 22 [2019-01-13 23:09:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:30,766 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2019-01-13 23:09:30,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2019-01-13 23:09:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:30,770 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:30,770 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 23:09:30,771 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:30,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1298387609, now seen corresponding path program 1 times [2019-01-13 23:09:30,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:30,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:30,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:30,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:30,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:30,885 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 23:09:30,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:30,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:30,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:30,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:30,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:30,888 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand 5 states. [2019-01-13 23:09:30,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:30,977 INFO L93 Difference]: Finished difference Result 111 states and 130 transitions. [2019-01-13 23:09:30,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:30,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:09:30,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:30,981 INFO L225 Difference]: With dead ends: 111 [2019-01-13 23:09:30,982 INFO L226 Difference]: Without dead ends: 111 [2019-01-13 23:09:30,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:30,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-01-13 23:09:30,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2019-01-13 23:09:30,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-13 23:09:30,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2019-01-13 23:09:30,994 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 23 [2019-01-13 23:09:30,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:30,994 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2019-01-13 23:09:30,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2019-01-13 23:09:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:30,997 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:30,997 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 23:09:30,998 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:30,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:30,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1004984602, now seen corresponding path program 1 times [2019-01-13 23:09:30,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:30,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:31,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:31,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:31,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:31,102 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 23:09:31,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:31,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:31,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:31,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:31,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:31,104 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand 5 states. [2019-01-13 23:09:31,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:31,144 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2019-01-13 23:09:31,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:31,144 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:09:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:31,146 INFO L225 Difference]: With dead ends: 71 [2019-01-13 23:09:31,146 INFO L226 Difference]: Without dead ends: 67 [2019-01-13 23:09:31,147 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 23:09:31,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-01-13 23:09:31,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-01-13 23:09:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-01-13 23:09:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions. [2019-01-13 23:09:31,152 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 23 [2019-01-13 23:09:31,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:31,152 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions. [2019-01-13 23:09:31,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2019-01-13 23:09:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:09:31,153 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:31,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:31,154 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:31,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:31,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1595310572, now seen corresponding path program 1 times [2019-01-13 23:09:31,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:31,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:31,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:31,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:31,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:31,289 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 23:09:31,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:31,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:31,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:31,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:31,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:31,290 INFO L87 Difference]: Start difference. First operand 67 states and 73 transitions. Second operand 5 states. [2019-01-13 23:09:31,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:31,417 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions. [2019-01-13 23:09:31,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:31,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 23:09:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:31,420 INFO L225 Difference]: With dead ends: 66 [2019-01-13 23:09:31,420 INFO L226 Difference]: Without dead ends: 66 [2019-01-13 23:09:31,420 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 23:09:31,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-01-13 23:09:31,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-01-13 23:09:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-01-13 23:09:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2019-01-13 23:09:31,424 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 24 [2019-01-13 23:09:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:31,425 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2019-01-13 23:09:31,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2019-01-13 23:09:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:31,426 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:31,426 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] [2019-01-13 23:09:31,427 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:31,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:31,427 INFO L82 PathProgramCache]: Analyzing trace with hash 2094307842, now seen corresponding path program 1 times [2019-01-13 23:09:31,428 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:31,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:31,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:31,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:31,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:31,714 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 23:09:31,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:31,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:31,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:31,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:31,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:09:31,716 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand 8 states. [2019-01-13 23:09:32,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:32,253 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2019-01-13 23:09:32,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:32,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:09:32,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:32,256 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:09:32,256 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:09:32,257 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:09:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:09:32,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-01-13 23:09:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-01-13 23:09:32,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2019-01-13 23:09:32,261 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 28 [2019-01-13 23:09:32,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:32,261 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2019-01-13 23:09:32,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2019-01-13 23:09:32,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:32,263 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:32,263 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] [2019-01-13 23:09:32,263 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:32,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:32,264 INFO L82 PathProgramCache]: Analyzing trace with hash 2094307841, now seen corresponding path program 1 times [2019-01-13 23:09:32,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:32,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:32,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:32,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:32,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:32,693 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 23:09:32,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:32,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:32,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:32,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:32,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:09:32,694 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 8 states. [2019-01-13 23:09:33,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:33,261 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2019-01-13 23:09:33,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:33,262 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:09:33,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:33,264 INFO L225 Difference]: With dead ends: 74 [2019-01-13 23:09:33,264 INFO L226 Difference]: Without dead ends: 74 [2019-01-13 23:09:33,264 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:09:33,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-13 23:09:33,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 63. [2019-01-13 23:09:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-13 23:09:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-13 23:09:33,268 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 28 [2019-01-13 23:09:33,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:33,269 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2019-01-13 23:09:33,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2019-01-13 23:09:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:09:33,270 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:33,270 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] [2019-01-13 23:09:33,271 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:33,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:33,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1730402140, now seen corresponding path program 1 times [2019-01-13 23:09:33,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:33,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:33,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:33,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:33,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:33,541 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 23:09:33,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:33,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:33,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:33,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:33,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:09:33,542 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 8 states. [2019-01-13 23:09:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:33,936 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2019-01-13 23:09:33,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:33,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-13 23:09:33,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:33,938 INFO L225 Difference]: With dead ends: 72 [2019-01-13 23:09:33,939 INFO L226 Difference]: Without dead ends: 72 [2019-01-13 23:09:33,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:09:33,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-13 23:09:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2019-01-13 23:09:33,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-13 23:09:33,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2019-01-13 23:09:33,943 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 29 [2019-01-13 23:09:33,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:33,943 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2019-01-13 23:09:33,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2019-01-13 23:09:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-13 23:09:33,944 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:33,944 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] [2019-01-13 23:09:33,945 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:33,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:33,945 INFO L82 PathProgramCache]: Analyzing trace with hash 764122875, now seen corresponding path program 1 times [2019-01-13 23:09:33,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:33,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:33,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:33,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:33,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:34,062 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 23:09:34,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:34,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:09:34,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:34,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:34,064 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 6 states. [2019-01-13 23:09:34,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:34,092 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2019-01-13 23:09:34,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:34,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-13 23:09:34,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:34,095 INFO L225 Difference]: With dead ends: 65 [2019-01-13 23:09:34,095 INFO L226 Difference]: Without dead ends: 65 [2019-01-13 23:09:34,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:34,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-13 23:09:34,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2019-01-13 23:09:34,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:09:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2019-01-13 23:09:34,099 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 31 [2019-01-13 23:09:34,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:34,099 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2019-01-13 23:09:34,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-01-13 23:09:34,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:09:34,100 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:34,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:34,101 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:34,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:34,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2081958002, now seen corresponding path program 1 times [2019-01-13 23:09:34,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:34,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:34,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:34,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:34,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:34,241 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 23:09:34,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:34,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:34,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:34,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:34,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:34,243 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 6 states. [2019-01-13 23:09:34,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:34,379 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-13 23:09:34,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:09:34,380 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-01-13 23:09:34,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:34,381 INFO L225 Difference]: With dead ends: 67 [2019-01-13 23:09:34,381 INFO L226 Difference]: Without dead ends: 56 [2019-01-13 23:09:34,382 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:34,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-01-13 23:09:34,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-01-13 23:09:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-13 23:09:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2019-01-13 23:09:34,385 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 32 [2019-01-13 23:09:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:34,385 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2019-01-13 23:09:34,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2019-01-13 23:09:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-13 23:09:34,386 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:34,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:34,387 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_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:34,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:34,387 INFO L82 PathProgramCache]: Analyzing trace with hash -550007650, now seen corresponding path program 1 times [2019-01-13 23:09:34,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:09:34,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:09:34,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:34,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:34,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:09:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:09:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:09:34,466 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:09:34,481 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:09:34,487 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:09:34,488 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:09:34,488 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:09:34,488 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:09:34,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:09:34 BoogieIcfgContainer [2019-01-13 23:09:34,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:09:34,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:09:34,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:09:34,503 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:09:34,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:27" (3/4) ... [2019-01-13 23:09:34,509 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:09:34,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:09:34,510 INFO L168 Benchmark]: Toolchain (without parser) took 10270.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 952.7 MB in the beginning and 976.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 193.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:34,512 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 23:09:34,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:34,513 INFO L168 Benchmark]: Boogie Preprocessor took 117.23 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 23:09:34,514 INFO L168 Benchmark]: RCFGBuilder took 2591.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:34,515 INFO L168 Benchmark]: TraceAbstraction took 6669.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 984.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:34,515 INFO L168 Benchmark]: Witness Printer took 6.19 ms. Allocated memory is still 1.2 GB. Free memory was 984.0 MB in the beginning and 976.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:09:34,520 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 879.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 37.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.23 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 2591.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6669.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.0 GB in the beginning and 984.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. * Witness Printer took 6.19 ms. Allocated memory is still 1.2 GB. Free memory was 984.0 MB in the beginning and 976.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. 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 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 12 could not be translated for associated CType STRUCT~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1478]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1478. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1467] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={3:0}, ldv_global_msg_list={2:0}] [L1479] CALL entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1471] CALL, EXPR probe2_6(&a6) VAL [a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}] [L1444] int ret = - -3; VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={3:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={5:0}, a6={3:0}, ldv_global_msg_list={2:0}, malloc(size)={5:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={5:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={3:0}, a={3:0}, a6={3:0}, f6()=7, ldv_global_msg_list={2:0}, p={5:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=7] [L1451] CALL, EXPR g6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={3:0}, a={3:0}, a6={3:0}, g6()=-1, ldv_global_msg_list={2:0}, p={5:0}, ret=7] [L1451] ret = g6() [L1452] COND TRUE ret<0 [L1453] return ret; VAL [\result=-1, a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={5:0}, ret=-1] [L1471] RET, EXPR probe2_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, probe2_6(&a6)=-1] [L1471] int ret = probe2_6(&a6); [L1472] COND FALSE !(ret==0) VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=-1] [L1475] a6.p = 0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=-1] [L1479] RET entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 360 locations, 83 error locations. UNSAFE Result, 6.6s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 810 SDtfs, 667 SDslu, 1731 SDs, 0 SdLazy, 928 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 46 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred 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, 97 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 45790 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 23:09:36,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:09:36,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:09:36,777 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:09:36,778 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:09:36,779 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:09:36,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:09:36,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:09:36,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:09:36,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:09:36,796 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:09:36,796 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:09:36,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:09:36,799 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:09:36,801 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:09:36,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:09:36,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:09:36,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:09:36,811 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:09:36,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:09:36,815 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:09:36,816 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:09:36,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:09:36,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:09:36,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:09:36,821 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:09:36,821 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:09:36,822 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:09:36,823 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:09:36,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:09:36,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:09:36,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:09:36,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:09:36,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:09:36,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:09:36,830 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:09:36,832 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-01-13 23:09:36,858 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:09:36,858 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:09:36,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:09:36,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:09:36,860 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:09:36,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:09:36,861 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:09:36,861 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:09:36,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:09:36,861 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:09:36,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:09:36,862 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:09:36,862 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:09:36,862 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:09:36,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:09:36,862 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-13 23:09:36,862 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-13 23:09:36,863 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:09:36,864 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:09:36,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:09:36,864 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:09:36,865 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:09:36,865 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:09:36,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:09:36,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:09:36,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:09:36,865 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-13 23:09:36,866 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:09:36,866 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-13 23:09:36,866 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 -> feda0632364bc935bd065aa8fb45d18a1f6a230c [2019-01-13 23:09:36,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:09:36,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:09:36,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:09:36,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:09:36,942 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:09:36,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-13 23:09:37,000 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07280830/10379b82f78f4f7e90aa86324b8556c8/FLAG5b7e30d31 [2019-01-13 23:09:37,543 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:09:37,544 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-13 23:09:37,559 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07280830/10379b82f78f4f7e90aa86324b8556c8/FLAG5b7e30d31 [2019-01-13 23:09:37,755 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d07280830/10379b82f78f4f7e90aa86324b8556c8 [2019-01-13 23:09:37,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:09:37,760 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:09:37,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:37,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:09:37,765 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:09:37,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:37" (1/1) ... [2019-01-13 23:09:37,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50425fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:37, skipping insertion in model container [2019-01-13 23:09:37,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:09:37" (1/1) ... [2019-01-13 23:09:37,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:09:37,847 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:09:38,386 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:38,487 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:09:38,585 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:09:38,679 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:09:38,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38 WrapperNode [2019-01-13 23:09:38,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:09:38,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:09:38,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:09:38,681 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:09:38,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (1/1) ... [2019-01-13 23:09:38,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (1/1) ... [2019-01-13 23:09:38,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (1/1) ... [2019-01-13 23:09:38,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (1/1) ... [2019-01-13 23:09:38,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (1/1) ... [2019-01-13 23:09:38,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (1/1) ... [2019-01-13 23:09:38,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (1/1) ... [2019-01-13 23:09:38,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:09:38,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:09:38,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:09:38,795 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:09:38,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (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 23:09:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:09:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:09:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:09:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:09:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:09:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:09:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:09:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:09:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:09:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:09:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:09:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:09:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:09:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:09:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:09:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:09:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:09:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:09:38,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:09:38,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:09:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:09:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:09:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:09:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:09:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-13 23:09:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-13 23:09:38,863 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2019-01-13 23:09:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-01-13 23:09:38,864 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:09:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:09:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:09:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:09:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:09:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:09:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:09:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:09:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:09:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:09:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:09:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:09:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:09:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:09:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:09:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:09:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:09:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:09:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:09:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:09:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:09:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:09:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:09:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:09:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:09:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:09:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:09:38,873 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:09:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:09:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:09:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:09:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:09:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:09:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:09:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:09:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:09:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:09:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:09:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:09:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:09:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:09:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:09:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:09:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:09:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:09:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:09:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:09:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:09:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:09:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:09:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:09:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:09:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:09:38,885 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:09:38,886 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:09:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:09:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:09:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:09:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:09:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:09:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:09:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:09:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:09:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:09:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:09:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:09:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:09:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-13 23:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-13 23:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:09:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:09:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2019-01-13 23:09:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-01-13 23:09:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-01-13 23:09:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-01-13 23:09:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:09:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:09:39,671 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:40,611 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:09:41,600 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:09:41,600 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:09:41,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:41 BoogieIcfgContainer [2019-01-13 23:09:41,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:09:41,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:09:41,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:09:41,608 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:09:41,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:09:37" (1/3) ... [2019-01-13 23:09:41,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa4d196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:41, skipping insertion in model container [2019-01-13 23:09:41,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:09:38" (2/3) ... [2019-01-13 23:09:41,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa4d196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:09:41, skipping insertion in model container [2019-01-13 23:09:41,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:41" (3/3) ... [2019-01-13 23:09:41,612 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2019-01-13 23:09:41,623 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:09:41,633 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 83 error locations. [2019-01-13 23:09:41,650 INFO L257 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2019-01-13 23:09:41,677 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:09:41,678 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:09:41,679 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:09:41,679 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:09:41,679 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:09:41,680 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:09:41,680 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:09:41,680 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:09:41,680 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:09:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-01-13 23:09:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:41,715 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:41,716 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 23:09:41,720 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:41,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:41,728 INFO L82 PathProgramCache]: Analyzing trace with hash 871313045, now seen corresponding path program 1 times [2019-01-13 23:09:41,734 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:41,735 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 23:09:41,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:41,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:41,980 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 23:09:42,022 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:42,047 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 23:09:42,077 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:42,088 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:42,238 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 23:09:42,239 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:42,470 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 23:09:42,471 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:42,602 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:42,720 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:42,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:09:42,925 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:09:43,130 WARN L181 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 5 [2019-01-13 23:09:43,154 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 23:09:43,154 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:43,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:09:43,164 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-01-13 23:09:43,182 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 23:09:43,183 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:43,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:43,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:43,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:43,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:43,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:43,209 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 4 states. [2019-01-13 23:09:43,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:43,656 INFO L93 Difference]: Finished difference Result 111 states and 124 transitions. [2019-01-13 23:09:43,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:43,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:43,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:43,678 INFO L225 Difference]: With dead ends: 111 [2019-01-13 23:09:43,680 INFO L226 Difference]: Without dead ends: 105 [2019-01-13 23:09:43,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:43,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-01-13 23:09:43,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 83. [2019-01-13 23:09:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-13 23:09:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 97 transitions. [2019-01-13 23:09:43,750 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 97 transitions. Word has length 20 [2019-01-13 23:09:43,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:43,750 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 97 transitions. [2019-01-13 23:09:43,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2019-01-13 23:09:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:43,754 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:43,754 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 23:09:43,755 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:43,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:43,755 INFO L82 PathProgramCache]: Analyzing trace with hash 871313046, now seen corresponding path program 1 times [2019-01-13 23:09:43,756 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:43,756 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 23:09:43,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:43,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:43,871 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 23:09:43,938 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:43,967 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:09:43,969 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:43,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:09:44,016 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 2 xjuncts. [2019-01-13 23:09:44,017 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2019-01-13 23:09:44,112 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 23:09:44,112 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:44,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:09:44,119 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2019-01-13 23:09:44,141 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 23:09:44,142 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:44,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:44,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:09:44,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:09:44,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:09:44,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:09:44,149 INFO L87 Difference]: Start difference. First operand 83 states and 97 transitions. Second operand 4 states. [2019-01-13 23:09:44,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:44,475 INFO L93 Difference]: Finished difference Result 120 states and 129 transitions. [2019-01-13 23:09:44,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 23:09:44,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:09:44,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:44,478 INFO L225 Difference]: With dead ends: 120 [2019-01-13 23:09:44,478 INFO L226 Difference]: Without dead ends: 119 [2019-01-13 23:09:44,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-01-13 23:09:44,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2019-01-13 23:09:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:09:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2019-01-13 23:09:44,493 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 20 [2019-01-13 23:09:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:44,493 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2019-01-13 23:09:44,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:09:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2019-01-13 23:09:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:09:44,495 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:44,495 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 23:09:44,495 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:44,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:44,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1067826551, now seen corresponding path program 1 times [2019-01-13 23:09:44,497 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:44,497 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 23:09:44,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:44,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:44,600 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 23:09:44,600 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:44,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:44,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:44,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:44,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:44,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:44,603 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand 5 states. [2019-01-13 23:09:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:44,726 INFO L93 Difference]: Finished difference Result 108 states and 124 transitions. [2019-01-13 23:09:44,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:44,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-13 23:09:44,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:44,729 INFO L225 Difference]: With dead ends: 108 [2019-01-13 23:09:44,729 INFO L226 Difference]: Without dead ends: 108 [2019-01-13 23:09:44,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 23:09:44,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-01-13 23:09:44,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2019-01-13 23:09:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:09:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2019-01-13 23:09:44,742 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 20 [2019-01-13 23:09:44,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:44,742 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2019-01-13 23:09:44,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2019-01-13 23:09:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:09:44,744 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:44,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:44,745 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:44,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:44,746 INFO L82 PathProgramCache]: Analyzing trace with hash -186776396, now seen corresponding path program 1 times [2019-01-13 23:09:44,746 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:44,746 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 23:09:44,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:44,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:44,950 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 23:09:44,950 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:44,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:44,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:09:44,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:44,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:44,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:44,958 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand 6 states. [2019-01-13 23:09:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:45,027 INFO L93 Difference]: Finished difference Result 108 states and 127 transitions. [2019-01-13 23:09:45,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:45,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-13 23:09:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:45,030 INFO L225 Difference]: With dead ends: 108 [2019-01-13 23:09:45,030 INFO L226 Difference]: Without dead ends: 104 [2019-01-13 23:09:45,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:45,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-01-13 23:09:45,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-01-13 23:09:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:09:45,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2019-01-13 23:09:45,040 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 22 [2019-01-13 23:09:45,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:45,041 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2019-01-13 23:09:45,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2019-01-13 23:09:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:09:45,043 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:45,043 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:45,044 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:45,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:45,044 INFO L82 PathProgramCache]: Analyzing trace with hash 646031434, now seen corresponding path program 1 times [2019-01-13 23:09:45,045 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:45,045 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 23:09:45,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:45,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:45,280 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 23:09:45,280 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:45,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:45,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:09:45,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:45,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:45,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:45,287 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand 5 states. [2019-01-13 23:09:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:45,331 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2019-01-13 23:09:45,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:45,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:09:45,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:45,335 INFO L225 Difference]: With dead ends: 103 [2019-01-13 23:09:45,335 INFO L226 Difference]: Without dead ends: 103 [2019-01-13 23:09:45,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 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 23:09:45,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-01-13 23:09:45,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-01-13 23:09:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-01-13 23:09:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2019-01-13 23:09:45,347 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 22 [2019-01-13 23:09:45,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:45,348 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2019-01-13 23:09:45,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2019-01-13 23:09:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:45,349 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:45,349 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 23:09:45,350 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:45,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:45,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1447861665, now seen corresponding path program 1 times [2019-01-13 23:09:45,351 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:45,351 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 23:09:45,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:45,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:45,514 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 23:09:45,515 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:45,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:45,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:09:45,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:45,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:45,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:45,521 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand 6 states. [2019-01-13 23:09:45,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:45,701 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2019-01-13 23:09:45,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:45,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-13 23:09:45,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:45,703 INFO L225 Difference]: With dead ends: 99 [2019-01-13 23:09:45,704 INFO L226 Difference]: Without dead ends: 98 [2019-01-13 23:09:45,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-01-13 23:09:45,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2019-01-13 23:09:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-01-13 23:09:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2019-01-13 23:09:45,712 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 23 [2019-01-13 23:09:45,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:45,712 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2019-01-13 23:09:45,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2019-01-13 23:09:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:09:45,714 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:45,714 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 23:09:45,715 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:45,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:45,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1154458658, now seen corresponding path program 1 times [2019-01-13 23:09:45,715 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:45,716 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 23:09:45,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:45,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:45,942 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 23:09:45,943 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:45,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:45,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:45,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:45,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:45,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:45,946 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 6 states. [2019-01-13 23:09:46,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:46,169 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2019-01-13 23:09:46,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:46,170 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2019-01-13 23:09:46,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:46,172 INFO L225 Difference]: With dead ends: 101 [2019-01-13 23:09:46,172 INFO L226 Difference]: Without dead ends: 101 [2019-01-13 23:09:46,173 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:46,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-01-13 23:09:46,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 95. [2019-01-13 23:09:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-01-13 23:09:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-01-13 23:09:46,181 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 23 [2019-01-13 23:09:46,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:46,181 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-01-13 23:09:46,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-01-13 23:09:46,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:09:46,183 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:46,183 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:09:46,184 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:46,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:46,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1428479667, now seen corresponding path program 1 times [2019-01-13 23:09:46,187 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:46,187 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 23:09:46,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:46,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:46,280 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 23:09:46,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:46,286 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:09:46,286 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-01-13 23:09:46,344 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 23:09:46,344 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:46,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:46,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:46,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:09:46,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:09:46,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:46,348 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 6 states. [2019-01-13 23:09:46,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:46,673 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2019-01-13 23:09:46,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:09:46,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-01-13 23:09:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:46,675 INFO L225 Difference]: With dead ends: 102 [2019-01-13 23:09:46,675 INFO L226 Difference]: Without dead ends: 102 [2019-01-13 23:09:46,676 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:09:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-01-13 23:09:46,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2019-01-13 23:09:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-13 23:09:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2019-01-13 23:09:46,683 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 24 [2019-01-13 23:09:46,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:46,683 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2019-01-13 23:09:46,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:09:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2019-01-13 23:09:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:46,685 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:46,686 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] [2019-01-13 23:09:46,686 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:46,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:46,686 INFO L82 PathProgramCache]: Analyzing trace with hash -786606975, now seen corresponding path program 1 times [2019-01-13 23:09:46,689 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:46,689 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 23:09:46,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:46,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:46,785 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 23:09:46,791 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:46,809 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 23:09:46,816 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:46,836 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:46,847 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 23:09:46,848 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:46,911 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 23:09:46,912 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:46,984 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:47,013 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:47,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:09:47,049 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:09:47,141 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 23:09:47,142 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:47,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:47,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:09:47,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:09:47,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:09:47,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:09:47,145 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 7 states. [2019-01-13 23:09:47,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:47,727 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2019-01-13 23:09:47,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:09:47,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2019-01-13 23:09:47,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:47,729 INFO L225 Difference]: With dead ends: 109 [2019-01-13 23:09:47,729 INFO L226 Difference]: Without dead ends: 109 [2019-01-13 23:09:47,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:09:47,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-13 23:09:47,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2019-01-13 23:09:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-01-13 23:09:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2019-01-13 23:09:47,736 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 28 [2019-01-13 23:09:47,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:47,736 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2019-01-13 23:09:47,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:09:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2019-01-13 23:09:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:47,739 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:47,739 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] [2019-01-13 23:09:47,740 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:47,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:47,741 INFO L82 PathProgramCache]: Analyzing trace with hash -786606974, now seen corresponding path program 1 times [2019-01-13 23:09:47,741 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:47,741 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 23:09:47,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:47,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:47,905 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 23:09:47,905 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:47,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:47,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:09:47,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:09:47,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:09:47,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:09:47,908 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 5 states. [2019-01-13 23:09:47,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:47,935 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2019-01-13 23:09:47,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:09:47,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-01-13 23:09:47,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:47,938 INFO L225 Difference]: With dead ends: 67 [2019-01-13 23:09:47,938 INFO L226 Difference]: Without dead ends: 63 [2019-01-13 23:09:47,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 23:09:47,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-01-13 23:09:47,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-01-13 23:09:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-01-13 23:09:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2019-01-13 23:09:47,941 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 28 [2019-01-13 23:09:47,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:47,941 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2019-01-13 23:09:47,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:09:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2019-01-13 23:09:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:47,943 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:47,943 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] [2019-01-13 23:09:47,944 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:47,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:47,945 INFO L82 PathProgramCache]: Analyzing trace with hash 210465378, now seen corresponding path program 1 times [2019-01-13 23:09:47,945 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:47,945 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 23:09:47,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:48,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:48,043 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 23:09:48,053 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:48,067 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 23:09:48,074 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 23:09:48,074 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:48,105 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:48,146 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:48,161 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 23:09:48,162 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:48,205 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:48,235 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:48,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:09:48,265 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:09:48,812 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2019-01-13 23:09:48,821 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 14 treesize of output 11 [2019-01-13 23:09:48,822 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:48,828 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 23:09:48,829 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-01-13 23:09:48,887 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 23:09:48,887 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:09:48,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:48,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:09:48,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:09:48,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:09:48,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2019-01-13 23:09:48,897 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 8 states. [2019-01-13 23:09:51,670 WARN L181 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-13 23:09:52,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:09:52,552 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2019-01-13 23:09:52,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:09:52,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:09:52,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:09:52,553 INFO L225 Difference]: With dead ends: 74 [2019-01-13 23:09:52,554 INFO L226 Difference]: Without dead ends: 74 [2019-01-13 23:09:52,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=55, Invalid=99, Unknown=6, NotChecked=22, Total=182 [2019-01-13 23:09:52,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-01-13 23:09:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 62. [2019-01-13 23:09:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:09:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2019-01-13 23:09:52,557 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 28 [2019-01-13 23:09:52,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:09:52,557 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2019-01-13 23:09:52,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:09:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2019-01-13 23:09:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:09:52,558 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:09:52,559 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] [2019-01-13 23:09:52,561 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:09:52,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:09:52,561 INFO L82 PathProgramCache]: Analyzing trace with hash 210465379, now seen corresponding path program 1 times [2019-01-13 23:09:52,561 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:09:52,562 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 23:09:52,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:09:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:09:52,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:09:52,694 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 23:09:52,752 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:52,785 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:09:52,785 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:52,805 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:09:52,839 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 23:09:52,844 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:52,856 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 23:09:52,862 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 23:09:52,862 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:52,890 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:52,895 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:52,912 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 23:09:52,913 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:52,954 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:52,993 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:53,090 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 6 xjuncts. [2019-01-13 23:09:53,090 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2019-01-13 23:09:53,215 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2019-01-13 23:09:54,537 WARN L860 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2019-01-13 23:09:54,564 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:54,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2019-01-13 23:09:54,568 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:54,705 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:54,708 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2019-01-13 23:09:54,709 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:54,847 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:54,849 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:54,851 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:54,853 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 31 treesize of output 22 [2019-01-13 23:09:54,854 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:54,993 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:54,994 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:54,996 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 21 [2019-01-13 23:09:54,997 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:55,097 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:55,106 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:55,107 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 23:09:55,108 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-13 23:09:55,210 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:55,213 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:09:55,236 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 37 [2019-01-13 23:09:55,237 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2019-01-13 23:09:55,380 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:09:55,381 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2019-01-13 23:09:55,519 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 23:09:55,519 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (13)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:09:55,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:09:55,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-01-13 23:09:55,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-01-13 23:09:55,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-01-13 23:09:55,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2019-01-13 23:09:55,526 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 9 states. [2019-01-13 23:09:56,076 WARN L181 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-01-13 23:10:03,096 WARN L181 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 36 [2019-01-13 23:10:05,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:10:05,639 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2019-01-13 23:10:05,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:10:05,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2019-01-13 23:10:05,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:10:05,641 INFO L225 Difference]: With dead ends: 76 [2019-01-13 23:10:05,641 INFO L226 Difference]: Without dead ends: 76 [2019-01-13 23:10:05,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=59, Invalid=124, Unknown=3, NotChecked=24, Total=210 [2019-01-13 23:10:05,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-13 23:10:05,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 61. [2019-01-13 23:10:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-01-13 23:10:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2019-01-13 23:10:05,652 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 28 [2019-01-13 23:10:05,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:10:05,652 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2019-01-13 23:10:05,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-01-13 23:10:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2019-01-13 23:10:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:10:05,653 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:10:05,653 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] [2019-01-13 23:10:05,654 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:10:05,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:10:05,654 INFO L82 PathProgramCache]: Analyzing trace with hash -834139359, now seen corresponding path program 1 times [2019-01-13 23:10:05,654 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:10:05,654 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 23:10:05,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:10:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:10:05,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:10:05,774 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 23:10:05,782 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:05,795 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 23:10:05,800 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:05,804 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:05,830 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 23:10:05,831 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:10:05,869 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 23:10:05,870 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:05,900 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:10:05,931 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:10:05,962 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-01-13 23:10:05,963 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2019-01-13 23:10:06,003 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 23:10:06,003 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:06,007 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:10:06,007 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2019-01-13 23:10:06,087 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:06,089 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 16 treesize of output 10 [2019-01-13 23:10:06,089 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:06,111 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:06,112 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2019-01-13 23:10:06,113 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:06,126 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-01-13 23:10:06,127 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2019-01-13 23:10:06,983 WARN L860 $PredicateComparison]: unable to prove that (exists ((probe2_6_~p~0.base (_ BitVec 32))) (and (not (= probe2_6_~p~0.base (_ bv0 32))) (= (store |c_old(#valid)| probe2_6_~p~0.base (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| probe2_6_~p~0.base)))) is different from true [2019-01-13 23:10:06,989 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:06,990 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:10:06,992 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2019-01-13 23:10:06,992 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:10:07,002 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 23:10:07,002 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:16 [2019-01-13 23:10:07,051 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 23:10:07,051 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:10:07,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:10:07,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-13 23:10:07,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 23:10:07,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 23:10:07,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2019-01-13 23:10:07,058 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 12 states. [2019-01-13 23:10:50,127 WARN L181 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-01-13 23:11:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:11:10,403 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2019-01-13 23:11:10,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-01-13 23:11:10,404 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-01-13 23:11:10,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:11:10,405 INFO L225 Difference]: With dead ends: 76 [2019-01-13 23:11:10,405 INFO L226 Difference]: Without dead ends: 73 [2019-01-13 23:11:10,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=79, Invalid=261, Unknown=6, NotChecked=34, Total=380 [2019-01-13 23:11:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-01-13 23:11:10,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2019-01-13 23:11:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:11:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2019-01-13 23:11:10,414 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 29 [2019-01-13 23:11:10,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:11:10,415 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2019-01-13 23:11:10,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 23:11:10,415 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2019-01-13 23:11:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:11:10,416 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:11:10,416 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] [2019-01-13 23:11:10,416 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:11:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:11:10,416 INFO L82 PathProgramCache]: Analyzing trace with hash -834139358, now seen corresponding path program 1 times [2019-01-13 23:11:10,417 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:11:10,424 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 23:11:10,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:11:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:11:10,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:11:10,542 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 23:11:10,550 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:10,563 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 23:11:10,570 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:10,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:10,586 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 23:11:10,587 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-01-13 23:11:10,628 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 23:11:10,629 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:10,665 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:11:10,696 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:11:10,734 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 23:11:10,805 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:10,828 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2019-01-13 23:11:10,828 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2019-01-13 23:11:10,850 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2019-01-13 23:11:10,906 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 6 xjuncts. [2019-01-13 23:11:10,907 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2019-01-13 23:11:11,018 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2019-01-13 23:11:11,068 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:11,069 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:11,070 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 25 treesize of output 19 [2019-01-13 23:11:11,071 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:11,124 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 23:11:11,126 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:11,222 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 15 treesize of output 10 [2019-01-13 23:11:11,222 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:11,238 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:11,238 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2019-01-13 23:11:13,500 WARN L181 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-13 23:11:13,527 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 23:11:13,528 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:13,574 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 23:11:13,574 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:13,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 23:11:13,583 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2019-01-13 23:11:14,776 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:14,780 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-13 23:11:14,780 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:14,952 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:14,977 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2019-01-13 23:11:14,977 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:15,172 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,174 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,176 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 29 treesize of output 21 [2019-01-13 23:11:15,176 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:15,274 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,276 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,281 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,302 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 47 [2019-01-13 23:11:15,303 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-01-13 23:11:15,445 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,448 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,449 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,450 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 29 treesize of output 22 [2019-01-13 23:11:15,450 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:15,575 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,577 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,578 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 21 [2019-01-13 23:11:15,579 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:15,582 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,584 INFO L701 Elim1Store]: detected not equals via solver [2019-01-13 23:11:15,585 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 29 treesize of output 23 [2019-01-13 23:11:15,585 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-01-13 23:11:15,691 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2019-01-13 23:11:15,692 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2019-01-13 23:11:17,728 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 23:11:17,729 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (15)] Exception during sending of exit command (exit): Broken pipe [2019-01-13 23:11:17,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:11:17,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:11:17,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 23:11:17,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 23:11:17,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2019-01-13 23:11:17,733 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 7 states. [2019-01-13 23:11:26,785 WARN L181 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-01-13 23:11:35,862 WARN L181 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 20 [2019-01-13 23:12:02,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:12:02,122 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2019-01-13 23:12:02,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:12:02,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2019-01-13 23:12:02,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:12:02,124 INFO L225 Difference]: With dead ends: 76 [2019-01-13 23:12:02,124 INFO L226 Difference]: Without dead ends: 75 [2019-01-13 23:12:02,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2019-01-13 23:12:02,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-13 23:12:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 60. [2019-01-13 23:12:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:12:02,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2019-01-13 23:12:02,128 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 29 [2019-01-13 23:12:02,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:12:02,129 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2019-01-13 23:12:02,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 23:12:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-01-13 23:12:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-13 23:12:02,132 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:12:02,132 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] [2019-01-13 23:12:02,132 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:12:02,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:12:02,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1550970432, now seen corresponding path program 1 times [2019-01-13 23:12:02,133 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:12:02,133 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:12:02,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:12:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:12:02,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 23:12:02,281 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 23:12:02,281 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-13 23:12:02,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:12:02,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:12:02,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:12:02,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:12:02,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:12:02,285 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 6 states. [2019-01-13 23:12:02,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:12:02,373 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2019-01-13 23:12:02,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:12:02,373 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-13 23:12:02,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:12:02,374 INFO L225 Difference]: With dead ends: 67 [2019-01-13 23:12:02,374 INFO L226 Difference]: Without dead ends: 60 [2019-01-13 23:12:02,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 23:12:02,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-13 23:12:02,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 57. [2019-01-13 23:12:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:12:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2019-01-13 23:12:02,384 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 31 [2019-01-13 23:12:02,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:12:02,384 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2019-01-13 23:12:02,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:12:02,384 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2019-01-13 23:12:02,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-01-13 23:12:02,389 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:12:02,389 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:12:02,390 INFO L423 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 23:12:02,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:12:02,390 INFO L82 PathProgramCache]: Analyzing trace with hash -118912284, now seen corresponding path program 1 times [2019-01-13 23:12:02,390 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-13 23:12:02,390 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-13 23:12:02,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:12:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:12:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:12:02,659 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:12:02,678 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-13 23:12:02,685 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:12:02,685 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 23:12:02,686 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 23:12:02,686 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:12:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:12:02 BoogieIcfgContainer [2019-01-13 23:12:02,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:12:02,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:12:02,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:12:02,703 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:12:02,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:09:41" (3/4) ... [2019-01-13 23:12:02,710 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-13 23:12:02,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:12:02,711 INFO L168 Benchmark]: Toolchain (without parser) took 144952.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.1 MB). Free memory was 935.2 MB in the beginning and 850.9 MB in the end (delta: 84.3 MB). Peak memory consumption was 366.4 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:02,713 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:12:02,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 919.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:02,714 INFO L168 Benchmark]: Boogie Preprocessor took 113.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:02,714 INFO L168 Benchmark]: RCFGBuilder took 2808.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:02,717 INFO L168 Benchmark]: TraceAbstraction took 141098.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 998.6 MB in the beginning and 850.9 MB in the end (delta: 147.7 MB). Peak memory consumption was 281.4 MB. Max. memory is 11.5 GB. [2019-01-13 23:12:02,718 INFO L168 Benchmark]: Witness Printer took 8.16 ms. Allocated memory is still 1.3 GB. Free memory is still 850.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:12:02,723 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 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 919.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 113.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2808.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 141098.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 998.6 MB in the beginning and 850.9 MB in the end (delta: 147.7 MB). Peak memory consumption was 281.4 MB. Max. memory is 11.5 GB. * Witness Printer took 8.16 ms. Allocated memory is still 1.3 GB. Free memory is still 850.9 MB. 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~~A?p~*VOID# - 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~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1478]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1478. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1467] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={4:0}, ldv_global_msg_list={5:0}] [L1479] CALL entry_point() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1471] CALL, EXPR probe2_6(&a6) VAL [a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}] [L1444] int ret = - -3; VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={4:0}, ldv_global_msg_list={5:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={7:0}, a6={4:0}, ldv_global_msg_list={5:0}, malloc(size)={7:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, ldv_malloc(sizeof(int))={7:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={4:0}, a={4:0}, a6={4:0}, f6()=0, ldv_global_msg_list={5:0}, p={7:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1451] CALL, EXPR g6() VAL [a6={4:0}, ldv_global_msg_list={5:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={4:0}, a={4:0}, a6={4:0}, g6()=-2147483648, ldv_global_msg_list={5:0}, p={7:0}, ret=0] [L1451] ret = g6() [L1452] COND TRUE ret<0 [L1453] return ret; VAL [\result=-2147483648, a={4:0}, a={4:0}, a6={4:0}, ldv_global_msg_list={5:0}, p={7:0}, ret=2147483648] [L1471] RET, EXPR probe2_6(&a6) VAL [a6={4:0}, ldv_global_msg_list={5:0}, probe2_6(&a6)=-2147483648] [L1471] int ret = probe2_6(&a6); [L1472] COND FALSE !(ret==0) VAL [a6={4:0}, ldv_global_msg_list={5:0}, ret=2147483648] [L1475] a6.p = 0 VAL [a6={4:0}, ldv_global_msg_list={5:0}, ret=2147483648] [L1479] RET entry_point() VAL [a6={4:0}, ldv_global_msg_list={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 362 locations, 83 error locations. UNSAFE Result, 141.0s OverallTime, 16 OverallIterations, 1 TraceHistogramMax, 124.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 901 SDtfs, 919 SDslu, 2094 SDs, 0 SdLazy, 1035 SolverSat, 253 SolverUnsat, 42 SolverUnknown, 0 SolverNotchecked, 80.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 394 GetRequests, 275 SyntacticMatches, 19 SemanticMatches, 100 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 52.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred 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, 15 MinimizatonAttempts, 128 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 360 ConstructedInterpolants, 48 QuantifiedInterpolants, 62070 SizeOfPredicates, 55 NumberOfNonLiveVariables, 1661 ConjunctsInSsa, 154 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...