./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/memleaks_test8_2_false-valid-free.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e 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_test8_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 92af3b6badb8feb06eec2591339d42260d19262b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 22:50:48,969 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:50:48,971 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:50:48,985 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:50:48,985 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:50:48,986 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:50:48,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:50:48,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:50:48,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:50:49,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:50:49,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:50:49,005 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:50:49,006 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:50:49,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:50:49,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:50:49,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:50:49,010 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:50:49,012 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:50:49,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:50:49,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:50:49,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:50:49,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:50:49,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:50:49,021 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:50:49,021 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:50:49,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:50:49,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:50:49,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:50:49,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:50:49,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:50:49,027 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:50:49,028 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:50:49,028 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:50:49,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:50:49,029 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:50:49,031 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:50:49,031 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:50:49,059 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:50:49,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:50:49,061 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:50:49,061 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:50:49,062 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:50:49,063 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:50:49,063 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:50:49,063 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:50:49,063 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:50:49,063 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:50:49,063 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:50:49,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:50:49,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:50:49,064 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:50:49,064 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:50:49,064 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:50:49,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:50:49,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:50:49,066 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:50:49,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:50:49,066 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:50:49,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:50:49,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:50:49,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:50:49,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:50:49,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:50:49,067 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:50:49,068 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:50:49,068 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 -> 92af3b6badb8feb06eec2591339d42260d19262b [2018-11-28 22:50:49,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:50:49,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:50:49,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:50:49,162 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:50:49,163 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:50:49,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/memleaks_test8_2_false-valid-free.i [2018-11-28 22:50:49,232 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa9c9ebb/647b2a95873e4038adad57d32f2269ac/FLAG50c62ff3a [2018-11-28 22:50:49,828 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:50:49,829 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/memleaks_test8_2_false-valid-free.i [2018-11-28 22:50:49,845 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa9c9ebb/647b2a95873e4038adad57d32f2269ac/FLAG50c62ff3a [2018-11-28 22:50:50,086 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffa9c9ebb/647b2a95873e4038adad57d32f2269ac [2018-11-28 22:50:50,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:50:50,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:50:50,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:50:50,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:50:50,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:50:50,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:50" (1/1) ... [2018-11-28 22:50:50,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638c7190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:50, skipping insertion in model container [2018-11-28 22:50:50,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:50:50" (1/1) ... [2018-11-28 22:50:50,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:50:50,174 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:50:50,688 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:50:50,726 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:50:50,936 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:50:51,017 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:50:51,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51 WrapperNode [2018-11-28 22:50:51,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:50:51,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:50:51,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:50:51,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:50:51,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (1/1) ... [2018-11-28 22:50:51,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (1/1) ... [2018-11-28 22:50:51,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (1/1) ... [2018-11-28 22:50:51,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (1/1) ... [2018-11-28 22:50:51,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (1/1) ... [2018-11-28 22:50:51,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (1/1) ... [2018-11-28 22:50:51,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (1/1) ... [2018-11-28 22:50:51,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:50:51,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:50:51,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:50:51,177 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:50:51,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (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 [2018-11-28 22:50:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:50:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:50:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:50:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:50:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:50:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-11-28 22:50:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-11-28 22:50:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-28 22:50:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-28 22:50:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:50:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-11-28 22:50:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-11-28 22:50:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-11-28 22:50:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-11-28 22:50:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-11-28 22:50:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-11-28 22:50:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-11-28 22:50:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-11-28 22:50:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-11-28 22:50:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-11-28 22:50:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-11-28 22:50:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-11-28 22:50:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-11-28 22:50:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-11-28 22:50:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-11-28 22:50:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-11-28 22:50:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-11-28 22:50:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-11-28 22:50:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-11-28 22:50:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-11-28 22:50:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-11-28 22:50:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2018-11-28 22:50:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2018-11-28 22:50:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-11-28 22:50:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:50:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-28 22:50:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-28 22:50:51,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-28 22:50:51,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:50:51,261 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:50:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:50:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:50:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:50:51,263 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:50:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:50:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:50:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:50:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:50:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:50:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:50:51,264 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:50:51,265 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:50:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:50:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:50:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:50:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:50:51,266 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:50:51,267 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:50:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:50:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:50:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:50:51,269 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:50:51,270 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:50:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:50:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:50:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:50:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:50:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:50:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:50:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:50:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:50:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:50:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:50:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:50:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:50:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:50:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:50:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:50:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:50:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:50:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:50:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:50:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:50:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:50:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:50:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-28 22:50:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-11-28 22:50:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 22:50:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-11-28 22:50:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-11-28 22:50:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-11-28 22:50:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-28 22:50:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-11-28 22:50:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-11-28 22:50:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-11-28 22:50:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-11-28 22:50:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-11-28 22:50:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:50:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:50:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-11-28 22:50:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-11-28 22:50:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-11-28 22:50:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-11-28 22:50:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-11-28 22:50:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-11-28 22:50:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-28 22:50:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-11-28 22:50:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-11-28 22:50:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2018-11-28 22:50:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2018-11-28 22:50:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-28 22:50:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-11-28 22:50:52,136 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:50:52,934 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-28 22:50:53,517 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:50:53,517 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:50:53,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:53 BoogieIcfgContainer [2018-11-28 22:50:53,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:50:53,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:50:53,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:50:53,523 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:50:53,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:50:50" (1/3) ... [2018-11-28 22:50:53,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab551c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:50:53, skipping insertion in model container [2018-11-28 22:50:53,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:50:51" (2/3) ... [2018-11-28 22:50:53,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab551c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:50:53, skipping insertion in model container [2018-11-28 22:50:53,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:53" (3/3) ... [2018-11-28 22:50:53,526 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test8_2_false-valid-free.i [2018-11-28 22:50:53,536 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:50:53,546 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-11-28 22:50:53,565 INFO L257 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2018-11-28 22:50:53,594 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:50:53,595 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:50:53,595 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:50:53,596 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:50:53,596 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:50:53,596 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:50:53,596 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:50:53,596 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:50:53,596 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:50:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states. [2018-11-28 22:50:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:50:53,631 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:53,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:50:53,635 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:50:53,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:53,641 INFO L82 PathProgramCache]: Analyzing trace with hash 730572001, now seen corresponding path program 1 times [2018-11-28 22:50:53,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:53,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:53,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:53,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:53,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:54,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:54,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:50:54,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:50:54,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:50:54,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:54,058 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 5 states. [2018-11-28 22:50:54,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:54,159 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2018-11-28 22:50:54,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:54,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-28 22:50:54,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:54,172 INFO L225 Difference]: With dead ends: 31 [2018-11-28 22:50:54,172 INFO L226 Difference]: Without dead ends: 28 [2018-11-28 22:50:54,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:50:54,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-28 22:50:54,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-28 22:50:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-28 22:50:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2018-11-28 22:50:54,213 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 18 [2018-11-28 22:50:54,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:54,213 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2018-11-28 22:50:54,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:50:54,214 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-28 22:50:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 22:50:54,215 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:54,216 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:50:54,216 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:50:54,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:54,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1172895828, now seen corresponding path program 1 times [2018-11-28 22:50:54,217 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:54,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:54,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:54,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:54,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:54,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:50:54,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:50:54,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:50:54,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:54,335 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 5 states. [2018-11-28 22:50:54,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:54,534 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2018-11-28 22:50:54,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:54,535 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-28 22:50:54,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:54,538 INFO L225 Difference]: With dead ends: 41 [2018-11-28 22:50:54,539 INFO L226 Difference]: Without dead ends: 41 [2018-11-28 22:50:54,540 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 [2018-11-28 22:50:54,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-28 22:50:54,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2018-11-28 22:50:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 22:50:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-11-28 22:50:54,551 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 19 [2018-11-28 22:50:54,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:54,551 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-11-28 22:50:54,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:50:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-11-28 22:50:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 22:50:54,552 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:54,552 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:50:54,553 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:50:54,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:54,554 INFO L82 PathProgramCache]: Analyzing trace with hash 976382323, now seen corresponding path program 1 times [2018-11-28 22:50:54,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:54,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:54,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:54,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:50:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:50:54,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:50:54,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:50:54,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:50:54,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:50:54,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:50:54,718 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 5 states. [2018-11-28 22:50:54,864 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 22:50:55,018 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 22:50:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:50:55,140 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2018-11-28 22:50:55,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:50:55,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-28 22:50:55,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:50:55,143 INFO L225 Difference]: With dead ends: 46 [2018-11-28 22:50:55,143 INFO L226 Difference]: Without dead ends: 46 [2018-11-28 22:50:55,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:50:55,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-28 22:50:55,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2018-11-28 22:50:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-28 22:50:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2018-11-28 22:50:55,152 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 19 [2018-11-28 22:50:55,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:50:55,153 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2018-11-28 22:50:55,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:50:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2018-11-28 22:50:55,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 22:50:55,154 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:50:55,155 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:50:55,155 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-11-28 22:50:55,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:50:55,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1787839411, now seen corresponding path program 1 times [2018-11-28 22:50:55,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:50:55,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:50:55,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:55,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:50:55,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:50:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:50:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:50:55,251 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:50:55,272 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# [2018-11-28 22:50:55,273 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:50:55,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:50:55 BoogieIcfgContainer [2018-11-28 22:50:55,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:50:55,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:50:55,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:50:55,284 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:50:55,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:50:53" (3/4) ... [2018-11-28 22:50:55,288 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 22:50:55,293 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-11-28 22:50:55,294 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# [2018-11-28 22:50:55,342 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 22:50:55,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:50:55,343 INFO L168 Benchmark]: Toolchain (without parser) took 5252.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 947.3 MB in the beginning and 958.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 153.5 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:55,345 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-11-28 22:50:55,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:55,346 INFO L168 Benchmark]: Boogie Preprocessor took 155.39 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. [2018-11-28 22:50:55,347 INFO L168 Benchmark]: RCFGBuilder took 2341.41 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: 98.9 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:55,347 INFO L168 Benchmark]: TraceAbstraction took 1764.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 965.1 MB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:55,348 INFO L168 Benchmark]: Witness Printer took 58.26 ms. Allocated memory is still 1.2 GB. Free memory was 965.1 MB in the beginning and 958.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:50:55,352 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 928.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 155.39 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 2341.41 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: 98.9 MB). Peak memory consumption was 98.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1764.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 965.1 MB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. * Witness Printer took 58.26 ms. Allocated memory is still 1.2 GB. Free memory was 965.1 MB in the beginning and 958.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1441]: 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) }; [L1434] int *a8; VAL [\old(a8)=13, \old(a8)=12, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a8={0:0}, ldv_global_msg_list={14:0}] [L1453] CALL entry_point() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}] [L1446] CALL alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, a8={0:0}, ldv_global_msg_list={14:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a8)=0, \old(a8)=0, \old(size)=4, \result={15:0}, a8={0:0}, ldv_global_msg_list={14:0}, malloc(size)={15:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a8)=0, \old(a8)=0, a8={0:0}, ldv_global_msg_list={14:0}, ldv_malloc(sizeof(int))={15:0}] [L1437] a8 = (int *)ldv_malloc(sizeof(int)) [L1446] RET alloc_8() VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1447] CALL free_8() VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1441] COND TRUE \read(*a8) VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1441] free(a8) [L1447] RET free_8() VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1448] CALL free_8() VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1441] COND TRUE \read(*a8) VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] [L1441] free(a8) VAL [\old(a8)=0, \old(a8)=0, a8={15:0}, ldv_global_msg_list={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 320 locations, 69 error locations. UNSAFE Result, 1.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 94 SDtfs, 49 SDslu, 188 SDs, 0 SdLazy, 68 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 2613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...