./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-free.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer --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 4e92bc8d993eeff0c28e598e1bbb64c9f1f38fdc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-08 18:04:27,236 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:04:27,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:04:27,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:04:27,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:04:27,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:04:27,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:04:27,246 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:04:27,247 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:04:27,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:04:27,248 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:04:27,248 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:04:27,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:04:27,249 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:04:27,250 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:04:27,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:04:27,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:04:27,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:04:27,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:04:27,253 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:04:27,254 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:04:27,255 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:04:27,256 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:04:27,256 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:04:27,256 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:04:27,256 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:04:27,257 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:04:27,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:04:27,258 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:04:27,258 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:04:27,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:04:27,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:04:27,259 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:04:27,259 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:04:27,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:04:27,260 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:04:27,260 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-08 18:04:27,268 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:04:27,268 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:04:27,268 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:04:27,268 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:04:27,269 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:04:27,269 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:04:27,269 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 18:04:27,269 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:04:27,269 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:04:27,269 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 18:04:27,269 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:04:27,270 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:04:27,270 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:04:27,271 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:04:27,271 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:04:27,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:04:27,271 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:04:27,271 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:04:27,271 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 18:04:27,271 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:04:27,271 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer 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 -> 4e92bc8d993eeff0c28e598e1bbb64c9f1f38fdc [2018-12-08 18:04:27,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:04:27,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:04:27,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:04:27,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:04:27,299 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:04:27,299 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-free.i [2018-12-08 18:04:27,334 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/data/3cdc22dcc/acc4a0d2e52e425cb49d088741302dc5/FLAG2144d283f [2018-12-08 18:04:27,708 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:04:27,709 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/sv-benchmarks/c/ldv-memsafety/memleaks_test1_false-valid-free.i [2018-12-08 18:04:27,716 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/data/3cdc22dcc/acc4a0d2e52e425cb49d088741302dc5/FLAG2144d283f [2018-12-08 18:04:28,071 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/data/3cdc22dcc/acc4a0d2e52e425cb49d088741302dc5 [2018-12-08 18:04:28,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:04:28,076 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 18:04:28,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:28,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:04:28,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:04:28,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245fecd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28, skipping insertion in model container [2018-12-08 18:04:28,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:04:28,122 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:04:28,333 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:28,347 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:04:28,392 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:04:28,427 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:04:28,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28 WrapperNode [2018-12-08 18:04:28,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:04:28,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:04:28,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:04:28,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:04:28,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... [2018-12-08 18:04:28,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:04:28,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:04:28,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:04:28,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:04:28,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/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 [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-08 18:04:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-08 18:04:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-08 18:04:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-08 18:04:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-08 18:04:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 18:04:28,521 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 18:04:28,522 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 18:04:28,523 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 18:04:28,524 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 18:04:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 18:04:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 18:04:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 18:04:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-08 18:04:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 18:04:28,530 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-08 18:04:28,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:04:28,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:04:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 18:04:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:04:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-08 18:04:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-08 18:04:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-08 18:04:28,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-08 18:04:28,768 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 18:04:28,890 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 18:04:29,001 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:04:29,001 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 18:04:29,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:29 BoogieIcfgContainer [2018-12-08 18:04:29,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:04:29,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:04:29,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:04:29,003 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:04:29,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:04:28" (1/3) ... [2018-12-08 18:04:29,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dccf26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:04:29, skipping insertion in model container [2018-12-08 18:04:29,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:04:28" (2/3) ... [2018-12-08 18:04:29,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dccf26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:04:29, skipping insertion in model container [2018-12-08 18:04:29,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:29" (3/3) ... [2018-12-08 18:04:29,005 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test1_false-valid-free.i [2018-12-08 18:04:29,011 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:04:29,016 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2018-12-08 18:04:29,026 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2018-12-08 18:04:29,040 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 18:04:29,041 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:04:29,041 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 18:04:29,041 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:04:29,041 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:04:29,041 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:04:29,041 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:04:29,041 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:04:29,041 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:04:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states. [2018-12-08 18:04:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 18:04:29,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:29,056 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:29,058 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 18:04:29,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:29,061 INFO L82 PathProgramCache]: Analyzing trace with hash -236430484, now seen corresponding path program 1 times [2018-12-08 18:04:29,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:04:29,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:04:29,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:29,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:29,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:29,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:04:29,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:04:29,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:04:29,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:04:29,198 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 5 states. [2018-12-08 18:04:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:29,224 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-12-08 18:04:29,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:04:29,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-12-08 18:04:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:29,230 INFO L225 Difference]: With dead ends: 25 [2018-12-08 18:04:29,230 INFO L226 Difference]: Without dead ends: 22 [2018-12-08 18:04:29,231 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 [2018-12-08 18:04:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-12-08 18:04:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-12-08 18:04:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-08 18:04:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-12-08 18:04:29,252 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 13 [2018-12-08 18:04:29,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:29,252 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-12-08 18:04:29,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:04:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-12-08 18:04:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 18:04:29,253 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:29,253 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:29,254 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 18:04:29,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:29,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1260589942, now seen corresponding path program 1 times [2018-12-08 18:04:29,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:04:29,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:04:29,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:29,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:29,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:29,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:04:29,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:04:29,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:04:29,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:04:29,307 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 5 states. [2018-12-08 18:04:29,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:29,325 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-12-08 18:04:29,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:04:29,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-08 18:04:29,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:29,326 INFO L225 Difference]: With dead ends: 27 [2018-12-08 18:04:29,326 INFO L226 Difference]: Without dead ends: 27 [2018-12-08 18:04:29,327 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 [2018-12-08 18:04:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-08 18:04:29,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-08 18:04:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-08 18:04:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-12-08 18:04:29,330 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2018-12-08 18:04:29,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:29,330 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-12-08 18:04:29,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:04:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-12-08 18:04:29,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 18:04:29,331 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:29,331 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:29,331 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 18:04:29,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:29,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1289219093, now seen corresponding path program 1 times [2018-12-08 18:04:29,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:04:29,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:04:29,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:29,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:04:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:04:29,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:04:29,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:04:29,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 18:04:29,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 18:04:29,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 18:04:29,363 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 5 states. [2018-12-08 18:04:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:04:29,382 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-12-08 18:04:29,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 18:04:29,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-08 18:04:29,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:04:29,384 INFO L225 Difference]: With dead ends: 30 [2018-12-08 18:04:29,384 INFO L226 Difference]: Without dead ends: 30 [2018-12-08 18:04:29,384 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 [2018-12-08 18:04:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-12-08 18:04:29,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2018-12-08 18:04:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-08 18:04:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-12-08 18:04:29,387 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 14 [2018-12-08 18:04:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:04:29,387 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-12-08 18:04:29,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 18:04:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-12-08 18:04:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 18:04:29,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:04:29,388 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:04:29,388 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2018-12-08 18:04:29,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:04:29,388 INFO L82 PathProgramCache]: Analyzing trace with hash 246168184, now seen corresponding path program 1 times [2018-12-08 18:04:29,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 18:04:29,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 18:04:29,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:04:29,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:04:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 18:04:29,418 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 18:04:29,426 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# [2018-12-08 18:04:29,427 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# [2018-12-08 18:04:29,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:04:29 BoogieIcfgContainer [2018-12-08 18:04:29,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:04:29,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:04:29,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:04:29,431 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:04:29,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:04:29" (3/4) ... [2018-12-08 18:04:29,433 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 18:04:29,434 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# [2018-12-08 18:04:29,435 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# [2018-12-08 18:04:29,457 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b26689bf-e819-453e-87b0-7294a7135f60/bin-2019/uautomizer/witness.graphml [2018-12-08 18:04:29,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:04:29,457 INFO L168 Benchmark]: Toolchain (without parser) took 1382.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 954.9 MB in the beginning and 941.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 142.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:29,458 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:04:29,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:29,459 INFO L168 Benchmark]: Boogie Preprocessor took 52.75 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. [2018-12-08 18:04:29,459 INFO L168 Benchmark]: RCFGBuilder took 520.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:29,459 INFO L168 Benchmark]: TraceAbstraction took 429.64 ms. Allocated memory is still 1.2 GB. Free memory was 996.3 MB in the beginning and 941.3 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-12-08 18:04:29,460 INFO L168 Benchmark]: Witness Printer took 25.74 ms. Allocated memory is still 1.2 GB. Free memory is still 941.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:04:29,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.75 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 520.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 100.2 MB). Peak memory consumption was 100.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 429.64 ms. Allocated memory is still 1.2 GB. Free memory was 996.3 MB in the beginning and 941.3 MB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * Witness Printer took 25.74 ms. Allocated memory is still 1.2 GB. Free memory is still 941.3 MB. There was no memory consumed. 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 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1437]: 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) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={12:0}] [L1441] CALL entry_point() VAL [ldv_global_msg_list={12:0}] [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={12:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={14:0}, ldv_global_msg_list={12:0}, malloc(size)={14:0}, size=4] [L1435] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={12:0}, ldv_malloc(sizeof(int))={14:0}] [L1435] int *p = (int *)ldv_malloc(sizeof(int)); [L1436] free(p) VAL [ldv_global_msg_list={12:0}, p={14:0}] [L1436] free(p) [L1437] free(p) VAL [ldv_global_msg_list={12:0}, p={14:0}] [L1437] free(p) VAL [ldv_global_msg_list={12:0}, p={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 315 locations, 71 error locations. UNSAFE Result, 0.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 69 SDtfs, 11 SDslu, 165 SDs, 0 SdLazy, 52 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred 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, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 968 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...