./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_2_false-valid-free.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_2_false-valid-free.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 a0382e9ca8dcc1388e7f0bf52be6824b1c767157 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 23:00:46,044 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 23:00:46,048 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 23:00:46,067 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 23:00:46,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 23:00:46,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 23:00:46,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 23:00:46,074 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 23:00:46,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 23:00:46,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 23:00:46,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 23:00:46,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 23:00:46,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 23:00:46,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 23:00:46,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 23:00:46,083 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 23:00:46,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 23:00:46,086 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 23:00:46,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 23:00:46,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 23:00:46,092 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 23:00:46,093 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 23:00:46,096 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 23:00:46,097 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 23:00:46,097 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 23:00:46,098 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 23:00:46,099 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 23:00:46,101 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 23:00:46,101 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 23:00:46,103 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 23:00:46,103 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 23:00:46,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 23:00:46,104 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 23:00:46,104 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 23:00:46,106 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 23:00:46,107 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 23:00:46,107 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 23:00:46,124 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 23:00:46,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 23:00:46,129 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 23:00:46,129 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 23:00:46,129 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 23:00:46,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 23:00:46,130 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 23:00:46,130 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 23:00:46,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 23:00:46,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 23:00:46,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 23:00:46,131 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 23:00:46,131 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 23:00:46,131 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 23:00:46,132 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 23:00:46,132 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 23:00:46,132 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 23:00:46,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 23:00:46,132 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 23:00:46,133 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 23:00:46,134 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 23:00:46,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 23:00:46,135 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 23:00:46,135 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 23:00:46,135 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 23:00:46,135 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 23:00:46,135 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 -> a0382e9ca8dcc1388e7f0bf52be6824b1c767157 [2019-01-13 23:00:46,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 23:00:46,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 23:00:46,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 23:00:46,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 23:00:46,218 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 23:00:46,220 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i [2019-01-13 23:00:46,284 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3a39607/4eae0ffa20574d849cb897674d4bd1e4/FLAG022317538 [2019-01-13 23:00:46,853 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 23:00:46,854 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i [2019-01-13 23:00:46,876 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3a39607/4eae0ffa20574d849cb897674d4bd1e4/FLAG022317538 [2019-01-13 23:00:47,092 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a3a39607/4eae0ffa20574d849cb897674d4bd1e4 [2019-01-13 23:00:47,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 23:00:47,098 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 23:00:47,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 23:00:47,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 23:00:47,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 23:00:47,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:47,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6aef22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47, skipping insertion in model container [2019-01-13 23:00:47,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:47,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 23:00:47,174 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 23:00:47,698 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:00:47,733 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 23:00:47,902 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 23:00:47,997 INFO L195 MainTranslator]: Completed translation [2019-01-13 23:00:47,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47 WrapperNode [2019-01-13 23:00:47,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 23:00:47,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 23:00:47,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 23:00:47,999 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 23:00:48,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:48,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:48,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:48,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:48,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:48,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:48,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (1/1) ... [2019-01-13 23:00:48,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 23:00:48,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 23:00:48,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 23:00:48,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 23:00:48,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (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 23:00:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 23:00:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 23:00:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:00:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 23:00:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 23:00:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-01-13 23:00:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-01-13 23:00:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-01-13 23:00:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-01-13 23:00:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:00:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-01-13 23:00:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-01-13 23:00:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-01-13 23:00:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-01-13 23:00:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-01-13 23:00:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-01-13 23:00:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-01-13 23:00:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-01-13 23:00:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-01-13 23:00:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-01-13 23:00:48,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-01-13 23:00:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-01-13 23:00:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-01-13 23:00:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-01-13 23:00:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-01-13 23:00:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-01-13 23:00:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-01-13 23:00:48,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-01-13 23:00:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-01-13 23:00:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-01-13 23:00:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-01-13 23:00:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-01-13 23:00:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-01-13 23:00:48,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-01-13 23:00:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-01-13 23:00:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-01-13 23:00:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-13 23:00:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-01-13 23:00:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2019-01-13 23:00:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2019-01-13 23:00:48,199 INFO L138 BoogieDeclarations]: Found implementation of procedure probe3_6 [2019-01-13 23:00:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2019-01-13 23:00:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-01-13 23:00:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 23:00:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-01-13 23:00:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-01-13 23:00:48,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-01-13 23:00:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 23:00:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 23:00:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 23:00:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 23:00:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 23:00:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 23:00:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 23:00:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 23:00:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 23:00:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 23:00:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 23:00:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 23:00:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 23:00:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 23:00:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 23:00:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 23:00:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 23:00:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 23:00:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 23:00:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 23:00:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 23:00:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 23:00:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 23:00:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 23:00:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 23:00:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 23:00:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 23:00:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 23:00:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 23:00:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 23:00:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 23:00:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 23:00:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 23:00:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 23:00:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 23:00:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 23:00:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 23:00:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 23:00:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 23:00:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 23:00:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 23:00:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 23:00:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 23:00:48,215 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 23:00:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 23:00:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 23:00:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 23:00:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 23:00:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 23:00:48,216 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 23:00:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 23:00:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 23:00:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 23:00:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 23:00:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 23:00:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 23:00:48,217 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 23:00:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 23:00:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 23:00:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 23:00:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 23:00:48,218 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 23:00:48,221 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 23:00:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 23:00:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 23:00:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 23:00:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 23:00:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-01-13 23:00:48,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 23:00:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-13 23:00:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-01-13 23:00:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-01-13 23:00:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-01-13 23:00:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-01-13 23:00:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-01-13 23:00:48,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 23:00:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-01-13 23:00:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-01-13 23:00:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-01-13 23:00:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-13 23:00:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-01-13 23:00:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-01-13 23:00:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-01-13 23:00:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 23:00:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-01-13 23:00:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-01-13 23:00:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-01-13 23:00:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-01-13 23:00:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-01-13 23:00:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-01-13 23:00:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-01-13 23:00:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-01-13 23:00:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-01-13 23:00:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-01-13 23:00:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-01-13 23:00:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-01-13 23:00:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-01-13 23:00:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure probe3_6 [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2019-01-13 23:00:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-01-13 23:00:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-01-13 23:00:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-01-13 23:00:49,019 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:00:49,930 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-13 23:00:50,635 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 23:00:50,635 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 23:00:50,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:00:50 BoogieIcfgContainer [2019-01-13 23:00:50,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 23:00:50,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 23:00:50,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 23:00:50,647 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 23:00:50,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 11:00:47" (1/3) ... [2019-01-13 23:00:50,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317dbe1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:00:50, skipping insertion in model container [2019-01-13 23:00:50,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 11:00:47" (2/3) ... [2019-01-13 23:00:50,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317dbe1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 11:00:50, skipping insertion in model container [2019-01-13 23:00:50,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:00:50" (3/3) ... [2019-01-13 23:00:50,653 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_2_false-valid-free.i [2019-01-13 23:00:50,663 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 23:00:50,671 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 86 error locations. [2019-01-13 23:00:50,687 INFO L257 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2019-01-13 23:00:50,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 23:00:50,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 23:00:50,715 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 23:00:50,715 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 23:00:50,715 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 23:00:50,715 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 23:00:50,716 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 23:00:50,716 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 23:00:50,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 23:00:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2019-01-13 23:00:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:00:50,750 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:50,751 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 23:00:50,754 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:50,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:50,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1426673449, now seen corresponding path program 1 times [2019-01-13 23:00:50,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:50,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:50,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:50,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:50,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:51,154 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 23:00:51,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:51,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:00:51,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:00:51,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:00:51,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:00:51,188 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 5 states. [2019-01-13 23:00:51,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:51,711 INFO L93 Difference]: Finished difference Result 94 states and 104 transitions. [2019-01-13 23:00:51,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:00:51,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-01-13 23:00:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:51,730 INFO L225 Difference]: With dead ends: 94 [2019-01-13 23:00:51,730 INFO L226 Difference]: Without dead ends: 91 [2019-01-13 23:00:51,733 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 23:00:51,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-01-13 23:00:51,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 70. [2019-01-13 23:00:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-01-13 23:00:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2019-01-13 23:00:51,812 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 20 [2019-01-13 23:00:51,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:51,814 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2019-01-13 23:00:51,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:00:51,814 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2019-01-13 23:00:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:00:51,816 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:51,817 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 23:00:51,818 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:51,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:51,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1230159944, now seen corresponding path program 1 times [2019-01-13 23:00:51,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:51,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:51,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:51,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:51,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:51,989 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 23:00:51,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:51,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:00:51,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:00:51,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:00:51,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:00:51,992 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 4 states. [2019-01-13 23:00:52,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:52,282 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2019-01-13 23:00:52,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:00:52,283 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:00:52,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:52,289 INFO L225 Difference]: With dead ends: 111 [2019-01-13 23:00:52,289 INFO L226 Difference]: Without dead ends: 108 [2019-01-13 23:00:52,290 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:00:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-01-13 23:00:52,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 75. [2019-01-13 23:00:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-01-13 23:00:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2019-01-13 23:00:52,302 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 20 [2019-01-13 23:00:52,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:52,303 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2019-01-13 23:00:52,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:00:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2019-01-13 23:00:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 23:00:52,304 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:52,304 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 23:00:52,305 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:52,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:52,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1230159945, now seen corresponding path program 1 times [2019-01-13 23:00:52,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:52,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:52,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:52,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:52,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:52,409 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 23:00:52,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:52,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 23:00:52,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 23:00:52,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 23:00:52,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 23:00:52,411 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 4 states. [2019-01-13 23:00:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:52,654 INFO L93 Difference]: Finished difference Result 125 states and 131 transitions. [2019-01-13 23:00:52,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:00:52,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-01-13 23:00:52,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:52,658 INFO L225 Difference]: With dead ends: 125 [2019-01-13 23:00:52,658 INFO L226 Difference]: Without dead ends: 124 [2019-01-13 23:00:52,659 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 23:00:52,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-01-13 23:00:52,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2019-01-13 23:00:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-01-13 23:00:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2019-01-13 23:00:52,671 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 20 [2019-01-13 23:00:52,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:52,673 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2019-01-13 23:00:52,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 23:00:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2019-01-13 23:00:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:00:52,674 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:52,674 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 23:00:52,675 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:52,675 INFO L82 PathProgramCache]: Analyzing trace with hash -989171586, now seen corresponding path program 1 times [2019-01-13 23:00:52,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:52,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:52,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:52,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:52,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:00:52,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:52,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:00:52,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:00:52,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:00:52,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:00:52,819 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand 5 states. [2019-01-13 23:00:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:52,851 INFO L93 Difference]: Finished difference Result 104 states and 123 transitions. [2019-01-13 23:00:52,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:00:52,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-01-13 23:00:52,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:52,854 INFO L225 Difference]: With dead ends: 104 [2019-01-13 23:00:52,854 INFO L226 Difference]: Without dead ends: 104 [2019-01-13 23:00:52,854 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 23:00:52,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-01-13 23:00:52,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-01-13 23:00:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-01-13 23:00:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2019-01-13 23:00:52,866 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 22 [2019-01-13 23:00:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:52,866 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2019-01-13 23:00:52,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:00:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2019-01-13 23:00:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:00:52,868 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:52,869 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 23:00:52,870 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1067709863, now seen corresponding path program 1 times [2019-01-13 23:00:52,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:52,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:52,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:52,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:52,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:53,100 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 23:00:53,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:53,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:00:53,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:00:53,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:00:53,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:00:53,104 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand 6 states. [2019-01-13 23:00:53,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:53,412 INFO L93 Difference]: Finished difference Result 120 states and 134 transitions. [2019-01-13 23:00:53,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 23:00:53,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-13 23:00:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:53,414 INFO L225 Difference]: With dead ends: 120 [2019-01-13 23:00:53,414 INFO L226 Difference]: Without dead ends: 120 [2019-01-13 23:00:53,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-01-13 23:00:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-01-13 23:00:53,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 107. [2019-01-13 23:00:53,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-01-13 23:00:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2019-01-13 23:00:53,425 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 22 [2019-01-13 23:00:53,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:53,427 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2019-01-13 23:00:53,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:00:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2019-01-13 23:00:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 23:00:53,428 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:53,428 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 23:00:53,429 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:53,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:53,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1067709864, now seen corresponding path program 1 times [2019-01-13 23:00:53,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:53,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:53,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:53,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:53,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:53,540 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 23:00:53,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:53,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:00:53,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:00:53,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:00:53,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:00:53,542 INFO L87 Difference]: Start difference. First operand 107 states and 128 transitions. Second operand 6 states. [2019-01-13 23:00:53,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:53,790 INFO L93 Difference]: Finished difference Result 104 states and 122 transitions. [2019-01-13 23:00:53,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:00:53,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-13 23:00:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:53,794 INFO L225 Difference]: With dead ends: 104 [2019-01-13 23:00:53,794 INFO L226 Difference]: Without dead ends: 100 [2019-01-13 23:00:53,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 23:00:53,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-01-13 23:00:53,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-01-13 23:00:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-01-13 23:00:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 118 transitions. [2019-01-13 23:00:53,815 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 118 transitions. Word has length 22 [2019-01-13 23:00:53,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:53,815 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 118 transitions. [2019-01-13 23:00:53,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:00:53,821 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2019-01-13 23:00:53,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:00:53,822 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:53,822 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 23:00:53,830 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:53,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:53,831 INFO L82 PathProgramCache]: Analyzing trace with hash -599547832, now seen corresponding path program 1 times [2019-01-13 23:00:53,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:53,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:53,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:53,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:53,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:53,970 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 23:00:53,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:53,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:00:53,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:00:53,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:00:53,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:00:53,972 INFO L87 Difference]: Start difference. First operand 100 states and 118 transitions. Second operand 5 states. [2019-01-13 23:00:54,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:54,110 INFO L93 Difference]: Finished difference Result 102 states and 116 transitions. [2019-01-13 23:00:54,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:00:54,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:00:54,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:54,113 INFO L225 Difference]: With dead ends: 102 [2019-01-13 23:00:54,113 INFO L226 Difference]: Without dead ends: 102 [2019-01-13 23:00:54,114 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 23:00:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-01-13 23:00:54,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2019-01-13 23:00:54,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-01-13 23:00:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2019-01-13 23:00:54,123 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 23 [2019-01-13 23:00:54,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:54,124 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2019-01-13 23:00:54,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:00:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2019-01-13 23:00:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-13 23:00:54,127 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:54,127 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 23:00:54,128 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:54,128 INFO L82 PathProgramCache]: Analyzing trace with hash -892950839, now seen corresponding path program 1 times [2019-01-13 23:00:54,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:54,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:54,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:54,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:54,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:54,205 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 23:00:54,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:54,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:00:54,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:00:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:00:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:00:54,208 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 5 states. [2019-01-13 23:00:54,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:54,236 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2019-01-13 23:00:54,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:00:54,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-01-13 23:00:54,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:54,239 INFO L225 Difference]: With dead ends: 66 [2019-01-13 23:00:54,240 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:00:54,240 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 23:00:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:00:54,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-01-13 23:00:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:00:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2019-01-13 23:00:54,246 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 23 [2019-01-13 23:00:54,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:54,246 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2019-01-13 23:00:54,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:00:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2019-01-13 23:00:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-13 23:00:54,249 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:54,249 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 23:00:54,250 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:54,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:54,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1406113344, now seen corresponding path program 1 times [2019-01-13 23:00:54,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:54,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:54,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:54,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:54,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:54,470 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 23:00:54,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:54,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 23:00:54,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 23:00:54,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 23:00:54,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 23:00:54,472 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 5 states. [2019-01-13 23:00:54,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:54,692 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2019-01-13 23:00:54,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 23:00:54,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-13 23:00:54,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:54,694 INFO L225 Difference]: With dead ends: 60 [2019-01-13 23:00:54,695 INFO L226 Difference]: Without dead ends: 60 [2019-01-13 23:00:54,695 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 23:00:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-13 23:00:54,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-13 23:00:54,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-13 23:00:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2019-01-13 23:00:54,699 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 24 [2019-01-13 23:00:54,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:54,699 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2019-01-13 23:00:54,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 23:00:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-01-13 23:00:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:00:54,700 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:54,701 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 23:00:54,705 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:54,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:54,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1676382863, now seen corresponding path program 1 times [2019-01-13 23:00:54,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:54,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:54,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:54,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:54,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:54,952 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 23:00:54,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:54,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:00:54,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:00:54,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:00:54,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:00:54,954 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 8 states. [2019-01-13 23:00:55,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:55,356 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2019-01-13 23:00:55,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:00:55,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:00:55,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:55,359 INFO L225 Difference]: With dead ends: 59 [2019-01-13 23:00:55,359 INFO L226 Difference]: Without dead ends: 59 [2019-01-13 23:00:55,360 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:00:55,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-01-13 23:00:55,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-13 23:00:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-13 23:00:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2019-01-13 23:00:55,364 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 28 [2019-01-13 23:00:55,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:55,364 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2019-01-13 23:00:55,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:00:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-01-13 23:00:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-01-13 23:00:55,365 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:55,366 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 23:00:55,369 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:55,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:55,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1676382864, now seen corresponding path program 1 times [2019-01-13 23:00:55,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:55,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:55,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:55,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:55,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:55,548 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-13 23:00:55,706 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 23:00:55,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:55,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:00:55,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:00:55,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:00:55,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:00:55,707 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 8 states. [2019-01-13 23:00:56,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:56,161 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2019-01-13 23:00:56,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:00:56,162 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2019-01-13 23:00:56,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:56,164 INFO L225 Difference]: With dead ends: 57 [2019-01-13 23:00:56,164 INFO L226 Difference]: Without dead ends: 57 [2019-01-13 23:00:56,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-01-13 23:00:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-01-13 23:00:56,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-01-13 23:00:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 23:00:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2019-01-13 23:00:56,168 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 28 [2019-01-13 23:00:56,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:56,168 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2019-01-13 23:00:56,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:00:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-01-13 23:00:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-01-13 23:00:56,169 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:56,170 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 23:00:56,170 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:56,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:56,171 INFO L82 PathProgramCache]: Analyzing trace with hash -171312213, now seen corresponding path program 1 times [2019-01-13 23:00:56,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:56,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:56,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:56,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:56,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:56,588 WARN L181 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-13 23:00:56,835 WARN L181 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-13 23:00:57,039 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 23:00:57,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:57,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:00:57,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:00:57,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:00:57,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:00:57,041 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 8 states. [2019-01-13 23:00:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:57,386 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2019-01-13 23:00:57,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 23:00:57,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2019-01-13 23:00:57,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:57,388 INFO L225 Difference]: With dead ends: 62 [2019-01-13 23:00:57,388 INFO L226 Difference]: Without dead ends: 62 [2019-01-13 23:00:57,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:00:57,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-01-13 23:00:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2019-01-13 23:00:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-01-13 23:00:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2019-01-13 23:00:57,394 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 29 [2019-01-13 23:00:57,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:57,394 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2019-01-13 23:00:57,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:00:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-01-13 23:00:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-01-13 23:00:57,395 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:57,395 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 23:00:57,398 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:57,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:57,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1422269366, now seen corresponding path program 1 times [2019-01-13 23:00:57,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:57,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:57,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:57,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:57,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:57,486 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 23:00:57,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:57,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 23:00:57,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:00:57,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:00:57,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:00:57,488 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2019-01-13 23:00:57,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:57,515 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2019-01-13 23:00:57,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 23:00:57,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-01-13 23:00:57,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:57,520 INFO L225 Difference]: With dead ends: 64 [2019-01-13 23:00:57,520 INFO L226 Difference]: Without dead ends: 64 [2019-01-13 23:00:57,520 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 23:00:57,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-01-13 23:00:57,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2019-01-13 23:00:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-01-13 23:00:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2019-01-13 23:00:57,526 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 31 [2019-01-13 23:00:57,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:57,526 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2019-01-13 23:00:57,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:00:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2019-01-13 23:00:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 23:00:57,533 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:57,533 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 23:00:57,534 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:57,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1140640514, now seen corresponding path program 1 times [2019-01-13 23:00:57,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:57,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:57,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:57,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:57,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:57,719 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 23:00:57,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:57,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-13 23:00:57,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 23:00:57,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 23:00:57,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 23:00:57,720 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 6 states. [2019-01-13 23:00:57,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:57,872 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2019-01-13 23:00:57,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-13 23:00:57,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-01-13 23:00:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:57,874 INFO L225 Difference]: With dead ends: 65 [2019-01-13 23:00:57,874 INFO L226 Difference]: Without dead ends: 54 [2019-01-13 23:00:57,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 2 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 23:00:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-01-13 23:00:57,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-01-13 23:00:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-01-13 23:00:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 53 transitions. [2019-01-13 23:00:57,877 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 53 transitions. Word has length 32 [2019-01-13 23:00:57,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:57,878 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 53 transitions. [2019-01-13 23:00:57,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 23:00:57,878 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 53 transitions. [2019-01-13 23:00:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-13 23:00:57,881 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:57,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:00:57,882 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:57,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:57,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1452227881, now seen corresponding path program 1 times [2019-01-13 23:00:57,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:57,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:57,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:57,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:57,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:58,064 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 23:00:58,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:58,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-13 23:00:58,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 23:00:58,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 23:00:58,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-01-13 23:00:58,066 INFO L87 Difference]: Start difference. First operand 54 states and 53 transitions. Second operand 12 states. [2019-01-13 23:00:58,243 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-13 23:00:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:58,788 INFO L93 Difference]: Finished difference Result 53 states and 52 transitions. [2019-01-13 23:00:58,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-13 23:00:58,789 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2019-01-13 23:00:58,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:58,791 INFO L225 Difference]: With dead ends: 53 [2019-01-13 23:00:58,791 INFO L226 Difference]: Without dead ends: 53 [2019-01-13 23:00:58,792 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2019-01-13 23:00:58,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-01-13 23:00:58,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-01-13 23:00:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-01-13 23:00:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 52 transitions. [2019-01-13 23:00:58,795 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 52 transitions. Word has length 38 [2019-01-13 23:00:58,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:58,795 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 52 transitions. [2019-01-13 23:00:58,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 23:00:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 52 transitions. [2019-01-13 23:00:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-01-13 23:00:58,796 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:58,796 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:00:58,797 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_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:58,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:58,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1452227880, now seen corresponding path program 1 times [2019-01-13 23:00:58,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:58,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:58,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:58,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:58,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:58,999 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 23:00:59,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:59,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 23:00:59,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 23:00:59,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 23:00:59,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-13 23:00:59,001 INFO L87 Difference]: Start difference. First operand 53 states and 52 transitions. Second operand 8 states. [2019-01-13 23:00:59,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:00:59,331 INFO L93 Difference]: Finished difference Result 52 states and 51 transitions. [2019-01-13 23:00:59,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 23:00:59,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2019-01-13 23:00:59,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:00:59,335 INFO L225 Difference]: With dead ends: 52 [2019-01-13 23:00:59,335 INFO L226 Difference]: Without dead ends: 52 [2019-01-13 23:00:59,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-01-13 23:00:59,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-13 23:00:59,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-01-13 23:00:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-01-13 23:00:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 51 transitions. [2019-01-13 23:00:59,340 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 51 transitions. Word has length 38 [2019-01-13 23:00:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:00:59,341 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 51 transitions. [2019-01-13 23:00:59,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 23:00:59,342 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 51 transitions. [2019-01-13 23:00:59,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-13 23:00:59,343 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:00:59,343 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:00:59,345 INFO L423 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:00:59,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:00:59,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2069390973, now seen corresponding path program 1 times [2019-01-13 23:00:59,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:00:59,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:00:59,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:59,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:00:59,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:00:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:00:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:00:59,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:00:59,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 23:00:59,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:00:59,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:00:59,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:00:59,658 INFO L87 Difference]: Start difference. First operand 52 states and 51 transitions. Second operand 11 states. [2019-01-13 23:01:00,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:00,116 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2019-01-13 23:01:00,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:01:00,117 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 39 [2019-01-13 23:01:00,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:00,119 INFO L225 Difference]: With dead ends: 51 [2019-01-13 23:01:00,119 INFO L226 Difference]: Without dead ends: 51 [2019-01-13 23:01:00,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2019-01-13 23:01:00,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-01-13 23:01:00,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-01-13 23:01:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-01-13 23:01:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2019-01-13 23:01:00,122 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 39 [2019-01-13 23:01:00,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:00,125 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2019-01-13 23:01:00,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:01:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2019-01-13 23:01:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-01-13 23:01:00,126 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:00,126 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:00,127 INFO L423 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:00,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:00,129 INFO L82 PathProgramCache]: Analyzing trace with hash 273389719, now seen corresponding path program 1 times [2019-01-13 23:01:00,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:00,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:00,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:00,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:00,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 23:01:00,706 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-13 23:01:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 23:01:00,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 23:01:00,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-01-13 23:01:00,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 23:01:00,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 23:01:00,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-01-13 23:01:00,756 INFO L87 Difference]: Start difference. First operand 51 states and 50 transitions. Second operand 11 states. [2019-01-13 23:01:01,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 23:01:01,210 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2019-01-13 23:01:01,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 23:01:01,211 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2019-01-13 23:01:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 23:01:01,212 INFO L225 Difference]: With dead ends: 50 [2019-01-13 23:01:01,212 INFO L226 Difference]: Without dead ends: 50 [2019-01-13 23:01:01,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2019-01-13 23:01:01,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-13 23:01:01,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-01-13 23:01:01,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-13 23:01:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 49 transitions. [2019-01-13 23:01:01,216 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 49 transitions. Word has length 40 [2019-01-13 23:01:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 23:01:01,216 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 49 transitions. [2019-01-13 23:01:01,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 23:01:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2019-01-13 23:01:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-01-13 23:01:01,217 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 23:01:01,217 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 23:01:01,217 INFO L423 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_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_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_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_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_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_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err4ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err5ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err4ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err1REQUIRES_VIOLATION, probe3_6Err6ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err7ASSERT_VIOLATIONMEMORY_FREE, probe3_6Err0REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2019-01-13 23:01:01,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 23:01:01,219 INFO L82 PathProgramCache]: Analyzing trace with hash -114852859, now seen corresponding path program 1 times [2019-01-13 23:01:01,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 23:01:01,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 23:01:01,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:01,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 23:01:01,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 23:01:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:01:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 23:01:01,278 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 23:01:01,307 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:01:01,308 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 23:01:01,308 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:01:01,309 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:01:01,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 11:01:01 BoogieIcfgContainer [2019-01-13 23:01:01,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 23:01:01,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 23:01:01,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 23:01:01,340 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 23:01:01,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 11:00:50" (3/4) ... [2019-01-13 23:01:01,343 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-13 23:01:01,356 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-01-13 23:01:01,357 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:01:01,357 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 23:01:01,357 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# [2019-01-13 23:01:01,417 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 23:01:01,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 23:01:01,418 INFO L168 Benchmark]: Toolchain (without parser) took 14320.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.0 MB). Free memory was 946.0 MB in the beginning and 1.2 GB in the end (delta: -259.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:01,420 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:01:01,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 898.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:01,421 INFO L168 Benchmark]: Boogie Preprocessor took 121.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:01:01,421 INFO L168 Benchmark]: RCFGBuilder took 2519.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:01,422 INFO L168 Benchmark]: TraceAbstraction took 10698.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -212.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 23:01:01,425 INFO L168 Benchmark]: Witness Printer took 77.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-01-13 23:01:01,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 898.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.88 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 2519.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.5 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10698.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -212.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 77.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 11 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 15 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 11 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 15 could not be translated for associated CType STRUCT~~A?p~*VOID# - 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 13 could not be translated for associated CType STRUCT~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1464]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1468] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={7:0}, ldv_global_msg_list={6:0}] [L1480] CALL entry_point() VAL [a6={7:0}, ldv_global_msg_list={6:0}] [L1472] CALL, EXPR probe3_6(&a6) VAL [a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}] [L1444] int ret = - -3; VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={7:0}, ldv_global_msg_list={6:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={9:0}, a6={7:0}, ldv_global_msg_list={6:0}, malloc(size)={9:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, ldv_malloc(sizeof(int))={9:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, p={9:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={7:0}, ldv_global_msg_list={6:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={7:0}, a={7:0}, a6={7:0}, f6()=0, ldv_global_msg_list={6:0}, p={9:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, p={9:0}, ret=0] [L1451] CALL, EXPR g6() VAL [a6={7:0}, ldv_global_msg_list={6:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={7:0}, a={7:0}, a6={7:0}, g6()=0, ldv_global_msg_list={6:0}, p={9:0}, ret=0] [L1451] ret = g6() [L1452] COND FALSE !(ret<0) VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, p={9:0}, ret=0] [L1454] a->p = p VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, p={9:0}, ret=0] [L1455] free(p) VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, p={9:0}, ret=0] [L1455] free(p) VAL [a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, p={9:0}, ret=0] [L1455] free(p) [L1456] return 0; VAL [\result=0, a={7:0}, a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}, p={9:0}, ret=0] [L1472] RET, EXPR probe3_6(&a6) VAL [a6={7:0}, ldv_global_msg_list={6:0}, probe3_6(&a6)=0] [L1472] int ret = probe3_6(&a6); [L1473] COND TRUE ret==0 VAL [a6={7:0}, ldv_global_msg_list={6:0}, ret=0] [L1474] CALL disconnect_6(&a6) VAL [a={7:0}, a6={7:0}, ldv_global_msg_list={6:0}] [L1464] EXPR a->p VAL [a={7:0}, a={7:0}, a->p={9:0}, a6={7:0}, ldv_global_msg_list={6:0}] [L1464] free(a->p) VAL [a={7:0}, a={7:0}, a->p={9:0}, a6={7:0}, ldv_global_msg_list={6:0}] [L1464] free(a->p) VAL [a={7:0}, a={7:0}, a->p={9:0}, a6={7:0}, ldv_global_msg_list={6:0}] [L1464] free(a->p) VAL [a={7:0}, a={7:0}, a->p={9:0}, a6={7:0}, ldv_global_msg_list={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 365 locations, 86 error locations. UNSAFE Result, 10.6s OverallTime, 19 OverallIterations, 1 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 965 SDtfs, 999 SDslu, 2388 SDs, 0 SdLazy, 1540 SolverSat, 261 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 52 SyntacticMatches, 6 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred 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, 18 MinimizatonAttempts, 93 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 83572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...