./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/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 feda0632364bc935bd065aa8fb45d18a1f6a230c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/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 feda0632364bc935bd065aa8fb45d18a1f6a230c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:25:49,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:25:49,502 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:25:49,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:25:49,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:25:49,511 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:25:49,511 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:25:49,512 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:25:49,513 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:25:49,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:25:49,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:25:49,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:25:49,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:25:49,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:25:49,515 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:25:49,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:25:49,516 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:25:49,517 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:25:49,518 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:25:49,519 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:25:49,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:25:49,520 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:25:49,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:25:49,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:25:49,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:25:49,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:25:49,522 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:25:49,522 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:25:49,523 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:25:49,523 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:25:49,524 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:25:49,524 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:25:49,524 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:25:49,524 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:25:49,525 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:25:49,526 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:25:49,526 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 20:25:49,536 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:25:49,536 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:25:49,537 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:25:49,537 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:25:49,537 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:25:49,538 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:25:49,538 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:25:49,538 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:25:49,538 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:25:49,538 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 20:25:49,538 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:25:49,539 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:25:49,539 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:25:49,539 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 20:25:49,539 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 20:25:49,539 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 20:25:49,539 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:25:49,539 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:25:49,540 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:25:49,540 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:25:49,540 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:25:49,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:25:49,540 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:25:49,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:25:49,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:25:49,541 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:25:49,541 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:25:49,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:25:49,541 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_f1909250-284c-4c18-9d27-ff83506e8cf8/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 -> feda0632364bc935bd065aa8fb45d18a1f6a230c [2018-12-02 20:25:49,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:25:49,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:25:49,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:25:49,570 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:25:49,570 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:25:49,570 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-02 20:25:49,603 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/71bcf4b81/cb833dc73d914c418488e8175b9337a0/FLAGd08c2e2b2 [2018-12-02 20:25:50,024 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:25:50,024 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-02 20:25:50,031 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/71bcf4b81/cb833dc73d914c418488e8175b9337a0/FLAGd08c2e2b2 [2018-12-02 20:25:50,040 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/71bcf4b81/cb833dc73d914c418488e8175b9337a0 [2018-12-02 20:25:50,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:25:50,042 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 20:25:50,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:25:50,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:25:50,045 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:25:50,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5fc0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50, skipping insertion in model container [2018-12-02 20:25:50,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:25:50,072 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:25:50,295 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:25:50,305 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:25:50,350 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:25:50,382 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:25:50,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50 WrapperNode [2018-12-02 20:25:50,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:25:50,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:25:50,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:25:50,383 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:25:50,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... [2018-12-02 20:25:50,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:25:50,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:25:50,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:25:50,435 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:25:50,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/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 [2018-12-02 20:25:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:25:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 20:25:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 20:25:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-02 20:25:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2018-12-02 20:25:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-12-02 20:25:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 20:25:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:25:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 20:25:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 20:25:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 20:25:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 20:25:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 20:25:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 20:25:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 20:25:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 20:25:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 20:25:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 20:25:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 20:25:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 20:25:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 20:25:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 20:25:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 20:25:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2018-12-02 20:25:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-02 20:25:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-02 20:25:50,733 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:25:50,854 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:25:50,994 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:25:50,995 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 20:25:50,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:25:50 BoogieIcfgContainer [2018-12-02 20:25:50,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:25:50,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:25:50,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:25:50,997 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:25:50,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:25:50" (1/3) ... [2018-12-02 20:25:50,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1299be79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:25:50, skipping insertion in model container [2018-12-02 20:25:50,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:50" (2/3) ... [2018-12-02 20:25:50,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1299be79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:25:50, skipping insertion in model container [2018-12-02 20:25:50,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:25:50" (3/3) ... [2018-12-02 20:25:50,999 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-02 20:25:51,005 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:25:51,010 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2018-12-02 20:25:51,020 INFO L257 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2018-12-02 20:25:51,034 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:25:51,035 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:25:51,035 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 20:25:51,035 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:25:51,035 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:25:51,035 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:25:51,035 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:25:51,035 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:25:51,035 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:25:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-12-02 20:25:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:25:51,052 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,052 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,054 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1939746423, now seen corresponding path program 1 times [2018-12-02 20:25:51,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:25:51,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:25:51,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:25:51,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:51,207 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 5 states. [2018-12-02 20:25:51,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,243 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-12-02 20:25:51,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:51,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-02 20:25:51,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:51,252 INFO L225 Difference]: With dead ends: 79 [2018-12-02 20:25:51,252 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 20:25:51,253 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 [2018-12-02 20:25:51,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 20:25:51,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 61. [2018-12-02 20:25:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 20:25:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2018-12-02 20:25:51,281 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 20 [2018-12-02 20:25:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:51,281 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2018-12-02 20:25:51,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:25:51,281 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2018-12-02 20:25:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:25:51,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,282 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,282 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2136259928, now seen corresponding path program 1 times [2018-12-02 20:25:51,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:25:51,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 20:25:51,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 20:25:51,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 20:25:51,326 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 4 states. [2018-12-02 20:25:51,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,414 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-12-02 20:25:51,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:51,414 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 20:25:51,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:51,415 INFO L225 Difference]: With dead ends: 100 [2018-12-02 20:25:51,415 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 20:25:51,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:51,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 20:25:51,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 79. [2018-12-02 20:25:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-02 20:25:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2018-12-02 20:25:51,421 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 20 [2018-12-02 20:25:51,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:51,421 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2018-12-02 20:25:51,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 20:25:51,421 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-12-02 20:25:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:25:51,422 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,422 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,423 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,423 INFO L82 PathProgramCache]: Analyzing trace with hash -2136259927, now seen corresponding path program 1 times [2018-12-02 20:25:51,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:25:51,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 20:25:51,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 20:25:51,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 20:25:51,462 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 4 states. [2018-12-02 20:25:51,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,531 INFO L93 Difference]: Finished difference Result 112 states and 120 transitions. [2018-12-02 20:25:51,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:51,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 20:25:51,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:51,532 INFO L225 Difference]: With dead ends: 112 [2018-12-02 20:25:51,532 INFO L226 Difference]: Without dead ends: 111 [2018-12-02 20:25:51,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:51,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-02 20:25:51,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2018-12-02 20:25:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-02 20:25:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2018-12-02 20:25:51,538 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 20 [2018-12-02 20:25:51,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:51,538 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2018-12-02 20:25:51,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 20:25:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2018-12-02 20:25:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 20:25:51,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,539 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,540 INFO L82 PathProgramCache]: Analyzing trace with hash -817731938, now seen corresponding path program 1 times [2018-12-02 20:25:51,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 20:25:51,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:25:51,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:25:51,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:51,572 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 5 states. [2018-12-02 20:25:51,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,582 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2018-12-02 20:25:51,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:51,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-02 20:25:51,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:51,583 INFO L225 Difference]: With dead ends: 97 [2018-12-02 20:25:51,583 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 20:25:51,583 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 [2018-12-02 20:25:51,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 20:25:51,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-02 20:25:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-02 20:25:51,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2018-12-02 20:25:51,589 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 22 [2018-12-02 20:25:51,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:51,589 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2018-12-02 20:25:51,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:25:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2018-12-02 20:25:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 20:25:51,590 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,590 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,590 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,591 INFO L82 PathProgramCache]: Analyzing trace with hash 48584325, now seen corresponding path program 1 times [2018-12-02 20:25:51,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:25:51,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:25:51,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:25:51,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:25:51,640 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 6 states. [2018-12-02 20:25:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,795 INFO L93 Difference]: Finished difference Result 114 states and 132 transitions. [2018-12-02 20:25:51,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 20:25:51,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-02 20:25:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:51,796 INFO L225 Difference]: With dead ends: 114 [2018-12-02 20:25:51,796 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 20:25:51,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:25:51,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 20:25:51,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2018-12-02 20:25:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-02 20:25:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 124 transitions. [2018-12-02 20:25:51,809 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 124 transitions. Word has length 22 [2018-12-02 20:25:51,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:51,809 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 124 transitions. [2018-12-02 20:25:51,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:25:51,809 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2018-12-02 20:25:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 20:25:51,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,810 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,811 INFO L82 PathProgramCache]: Analyzing trace with hash 48584326, now seen corresponding path program 1 times [2018-12-02 20:25:51,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:25:51,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:25:51,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:25:51,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:25:51,842 INFO L87 Difference]: Start difference. First operand 103 states and 124 transitions. Second operand 6 states. [2018-12-02 20:25:51,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,857 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2018-12-02 20:25:51,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:25:51,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-02 20:25:51,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:51,858 INFO L225 Difference]: With dead ends: 107 [2018-12-02 20:25:51,858 INFO L226 Difference]: Without dead ends: 103 [2018-12-02 20:25:51,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:25:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-02 20:25:51,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-02 20:25:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-02 20:25:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2018-12-02 20:25:51,863 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 22 [2018-12-02 20:25:51,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:51,863 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2018-12-02 20:25:51,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:25:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2018-12-02 20:25:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:25:51,863 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,864 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,864 INFO L82 PathProgramCache]: Analyzing trace with hash 420114045, now seen corresponding path program 1 times [2018-12-02 20:25:51,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 20:25:51,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:25:51,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:25:51,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:51,893 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand 5 states. [2018-12-02 20:25:51,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,938 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions. [2018-12-02 20:25:51,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:51,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-02 20:25:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:51,940 INFO L225 Difference]: With dead ends: 105 [2018-12-02 20:25:51,940 INFO L226 Difference]: Without dead ends: 105 [2018-12-02 20:25:51,940 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 [2018-12-02 20:25:51,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-02 20:25:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-12-02 20:25:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-02 20:25:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2018-12-02 20:25:51,946 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 23 [2018-12-02 20:25:51,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:51,946 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2018-12-02 20:25:51,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:25:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2018-12-02 20:25:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:25:51,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:51,947 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:51,947 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:51,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:51,947 INFO L82 PathProgramCache]: Analyzing trace with hash 126711038, now seen corresponding path program 1 times [2018-12-02 20:25:51,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:51,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:51,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:51,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:51,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:51,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:25:51,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:25:51,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:25:51,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:51,992 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 5 states. [2018-12-02 20:25:51,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:51,999 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2018-12-02 20:25:51,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:51,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-02 20:25:51,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:52,000 INFO L225 Difference]: With dead ends: 67 [2018-12-02 20:25:52,000 INFO L226 Difference]: Without dead ends: 63 [2018-12-02 20:25:52,000 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 [2018-12-02 20:25:52,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-02 20:25:52,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-02 20:25:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-02 20:25:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-12-02 20:25:52,003 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 23 [2018-12-02 20:25:52,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:52,003 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-12-02 20:25:52,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:25:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-12-02 20:25:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:25:52,004 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:52,004 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:52,004 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:52,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:52,004 INFO L82 PathProgramCache]: Analyzing trace with hash 957911061, now seen corresponding path program 1 times [2018-12-02 20:25:52,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:52,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:52,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:52,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:52,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:52,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:25:52,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 20:25:52,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 20:25:52,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:25:52,056 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 7 states. [2018-12-02 20:25:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:52,182 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2018-12-02 20:25:52,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 20:25:52,183 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 20:25:52,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:52,183 INFO L225 Difference]: With dead ends: 72 [2018-12-02 20:25:52,183 INFO L226 Difference]: Without dead ends: 72 [2018-12-02 20:25:52,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-02 20:25:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-02 20:25:52,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2018-12-02 20:25:52,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 20:25:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2018-12-02 20:25:52,186 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 28 [2018-12-02 20:25:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:52,186 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2018-12-02 20:25:52,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 20:25:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2018-12-02 20:25:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:25:52,187 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:52,187 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:52,188 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:52,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:52,188 INFO L82 PathProgramCache]: Analyzing trace with hash 957911062, now seen corresponding path program 1 times [2018-12-02 20:25:52,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:52,188 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:52,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:52,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:52,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:52,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:25:52,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:25:52,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:25:52,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 20:25:52,243 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand 8 states. [2018-12-02 20:25:52,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:52,363 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2018-12-02 20:25:52,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 20:25:52,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-02 20:25:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:52,364 INFO L225 Difference]: With dead ends: 60 [2018-12-02 20:25:52,364 INFO L226 Difference]: Without dead ends: 60 [2018-12-02 20:25:52,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-12-02 20:25:52,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-02 20:25:52,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-02 20:25:52,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 20:25:52,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-12-02 20:25:52,366 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 28 [2018-12-02 20:25:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:52,366 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-12-02 20:25:52,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:25:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-12-02 20:25:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:25:52,367 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:52,367 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:52,367 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:52,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:52,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1684039901, now seen corresponding path program 1 times [2018-12-02 20:25:52,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:52,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:52,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:52,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:52,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:52,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:52,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:25:52,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 20:25:52,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 20:25:52,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:25:52,452 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 7 states. [2018-12-02 20:25:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:52,585 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-02 20:25:52,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 20:25:52,586 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 20:25:52,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:52,586 INFO L225 Difference]: With dead ends: 64 [2018-12-02 20:25:52,586 INFO L226 Difference]: Without dead ends: 60 [2018-12-02 20:25:52,586 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-02 20:25:52,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-02 20:25:52,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-02 20:25:52,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 20:25:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-12-02 20:25:52,588 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 28 [2018-12-02 20:25:52,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:52,588 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-12-02 20:25:52,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 20:25:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-12-02 20:25:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 20:25:52,589 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:52,589 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:52,589 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:52,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:52,589 INFO L82 PathProgramCache]: Analyzing trace with hash 840333376, now seen corresponding path program 1 times [2018-12-02 20:25:52,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:52,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:52,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:52,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:52,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:52,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:25:52,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:25:52,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:25:52,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:25:52,621 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 6 states. [2018-12-02 20:25:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:52,633 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2018-12-02 20:25:52,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:25:52,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-12-02 20:25:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:52,634 INFO L225 Difference]: With dead ends: 62 [2018-12-02 20:25:52,634 INFO L226 Difference]: Without dead ends: 56 [2018-12-02 20:25:52,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:25:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-02 20:25:52,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2018-12-02 20:25:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-02 20:25:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2018-12-02 20:25:52,636 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 30 [2018-12-02 20:25:52,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:52,636 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2018-12-02 20:25:52,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:25:52,636 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-12-02 20:25:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 20:25:52,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:52,636 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:52,637 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:52,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:52,637 INFO L82 PathProgramCache]: Analyzing trace with hash -2078596280, now seen corresponding path program 1 times [2018-12-02 20:25:52,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:25:52,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:25:52,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:52,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:25:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:25:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:25:52,664 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 20:25:52,672 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 20:25:52,675 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# [2018-12-02 20:25:52,675 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 20:25:52,676 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 20:25:52,676 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# [2018-12-02 20:25:52,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:25:52 BoogieIcfgContainer [2018-12-02 20:25:52,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 20:25:52,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:25:52,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:25:52,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:25:52,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:25:50" (3/4) ... [2018-12-02 20:25:52,685 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 20:25:52,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:25:52,686 INFO L168 Benchmark]: Toolchain (without parser) took 2643.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.7 MB in the beginning and 879.5 MB in the end (delta: 72.2 MB). Peak memory consumption was 179.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:25:52,686 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:25:52,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:25:52,687 INFO L168 Benchmark]: Boogie Preprocessor took 51.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:25:52,687 INFO L168 Benchmark]: RCFGBuilder took 560.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.8 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:25:52,688 INFO L168 Benchmark]: TraceAbstraction took 1686.70 ms. Allocated memory is still 1.1 GB. Free memory was 969.8 MB in the beginning and 879.5 MB in the end (delta: 90.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:25:52,688 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 879.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:25:52,689 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 560.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 969.8 MB in the end (delta: 105.0 MB). Peak memory consumption was 105.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1686.70 ms. Allocated memory is still 1.1 GB. Free memory was 969.8 MB in the beginning and 879.5 MB in the end (delta: 90.3 MB). Peak memory consumption was 90.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 879.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~A?p~*VOID# - 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: - UnprovableResult [Line: 1478]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1478. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1467] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={14:0}, ldv_global_msg_list={16:0}] [L1479] CALL entry_point() VAL [a6={14:0}, ldv_global_msg_list={16:0}] [L1471] CALL, EXPR probe2_6(&a6) VAL [a={14:0}, a6={14:0}, ldv_global_msg_list={16:0}] [L1444] int ret = - -3; VAL [a={14:0}, a={14:0}, a6={14:0}, ldv_global_msg_list={16:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={14:0}, ldv_global_msg_list={16:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, a6={14:0}, ldv_global_msg_list={16:0}, malloc(size)={12:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={14:0}, a={14:0}, a6={14:0}, ldv_global_msg_list={16:0}, ldv_malloc(sizeof(int))={12:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={14:0}, a={14:0}, a6={14:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={14:0}, ldv_global_msg_list={16:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={14:0}, a={14:0}, a6={14:0}, f6()=0, ldv_global_msg_list={16:0}, p={12:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={14:0}, a={14:0}, a6={14:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1451] CALL, EXPR g6() VAL [a6={14:0}, ldv_global_msg_list={16:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={14:0}, a={14:0}, a6={14:0}, g6()=-1, ldv_global_msg_list={16:0}, p={12:0}, ret=0] [L1451] ret = g6() [L1452] COND TRUE ret<0 [L1453] return ret; VAL [\result=-1, a={14:0}, a={14:0}, a6={14:0}, ldv_global_msg_list={16:0}, p={12:0}, ret=-1] [L1471] RET, EXPR probe2_6(&a6) VAL [a6={14:0}, ldv_global_msg_list={16:0}, probe2_6(&a6)=-1] [L1471] int ret = probe2_6(&a6); [L1472] COND FALSE !(ret==0) VAL [a6={14:0}, ldv_global_msg_list={16:0}, ret=-1] [L1475] a6.p = 0 VAL [a6={14:0}, ldv_global_msg_list={16:0}, ret=-1] [L1479] RET entry_point() VAL [a6={14:0}, ldv_global_msg_list={16:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 348 locations, 77 error locations. UNSAFE Result, 1.6s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 662 SDtfs, 528 SDslu, 1473 SDs, 0 SdLazy, 768 SolverSat, 140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 42 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred 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, 12 MinimizatonAttempts, 71 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 274 ConstructedInterpolants, 0 QuantifiedInterpolants, 28444 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:25:53,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:25:53,976 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:25:53,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:25:53,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:25:53,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:25:53,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:25:53,984 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:25:53,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:25:53,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:25:53,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:25:53,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:25:53,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:25:53,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:25:53,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:25:53,988 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:25:53,988 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:25:53,989 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:25:53,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:25:53,991 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:25:53,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:25:53,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:25:53,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:25:53,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:25:53,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:25:53,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:25:53,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:25:53,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:25:53,995 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:25:53,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:25:53,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:25:53,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:25:53,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:25:53,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:25:53,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:25:53,997 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:25:53,997 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-02 20:25:54,004 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:25:54,004 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:25:54,005 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:25:54,005 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:25:54,005 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:25:54,005 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:25:54,006 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 20:25:54,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:25:54,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:25:54,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:25:54,007 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:25:54,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:25:54,008 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 20:25:54,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:25:54,008 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 20:25:54,008 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/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 -> feda0632364bc935bd065aa8fb45d18a1f6a230c [2018-12-02 20:25:54,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:25:54,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:25:54,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:25:54,037 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:25:54,037 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:25:54,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-02 20:25:54,074 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/871507730/8719bb9784344664b4cc0fdc89ceafb3/FLAG709754a1c [2018-12-02 20:25:54,500 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:25:54,500 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-02 20:25:54,507 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/871507730/8719bb9784344664b4cc0fdc89ceafb3/FLAG709754a1c [2018-12-02 20:25:54,515 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/data/871507730/8719bb9784344664b4cc0fdc89ceafb3 [2018-12-02 20:25:54,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:25:54,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 20:25:54,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:25:54,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:25:54,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:25:54,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54, skipping insertion in model container [2018-12-02 20:25:54,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:25:54,550 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:25:54,746 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:25:54,792 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:25:54,832 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:25:54,865 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:25:54,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54 WrapperNode [2018-12-02 20:25:54,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:25:54,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:25:54,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:25:54,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:25:54,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... [2018-12-02 20:25:54,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:25:54,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:25:54,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:25:54,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:25:54,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/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 [2018-12-02 20:25:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:25:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:25:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:25:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 20:25:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 20:25:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 20:25:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 20:25:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 20:25:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 20:25:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 20:25:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 20:25:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 20:25:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 20:25:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 20:25:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 20:25:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 20:25:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 20:25:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 20:25:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-02 20:25:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-02 20:25:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 20:25:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 20:25:55,209 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:25:55,453 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:25:55,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:25:55,729 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 20:25:55,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:25:55 BoogieIcfgContainer [2018-12-02 20:25:55,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:25:55,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:25:55,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:25:55,732 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:25:55,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:25:54" (1/3) ... [2018-12-02 20:25:55,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bfae1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:25:55, skipping insertion in model container [2018-12-02 20:25:55,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:25:54" (2/3) ... [2018-12-02 20:25:55,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bfae1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:25:55, skipping insertion in model container [2018-12-02 20:25:55,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:25:55" (3/3) ... [2018-12-02 20:25:55,734 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-02 20:25:55,740 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:25:55,745 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2018-12-02 20:25:55,755 INFO L257 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2018-12-02 20:25:55,769 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:25:55,770 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:25:55,770 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 20:25:55,770 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:25:55,770 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:25:55,770 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:25:55,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:25:55,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:25:55,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:25:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-12-02 20:25:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:25:55,786 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:55,786 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:55,788 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:55,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:55,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1576300790, now seen corresponding path program 1 times [2018-12-02 20:25:55,794 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:55,794 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:55,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:55,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:56,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:56,002 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:56,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:56,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:25:56,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:25:56,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:25:56,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:56,016 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 5 states. [2018-12-02 20:25:56,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:56,069 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-12-02 20:25:56,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:56,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-02 20:25:56,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:56,078 INFO L225 Difference]: With dead ends: 79 [2018-12-02 20:25:56,078 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 20:25:56,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:56,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 20:25:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 61. [2018-12-02 20:25:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 20:25:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2018-12-02 20:25:56,106 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 20 [2018-12-02 20:25:56,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:56,106 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2018-12-02 20:25:56,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:25:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2018-12-02 20:25:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:25:56,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:56,107 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:56,107 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:56,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:56,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1772814295, now seen corresponding path program 1 times [2018-12-02 20:25:56,108 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:56,108 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:56,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:56,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:56,182 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:25:56,188 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:25:56,199 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 20:25:56,206 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:25:56,214 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:25:56,221 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 20:25:56,222 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 20:25:56,246 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 20:25:56,246 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:25:56,264 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:25:56,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:25:56,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-02 20:25:56,297 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-02 20:25:56,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 20:25:56,317 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:25:56,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:25:56,319 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-02 20:25:56,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:56,325 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:56,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:56,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:25:56,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 20:25:56,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 20:25:56,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 20:25:56,329 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 4 states. [2018-12-02 20:25:56,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:56,499 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-12-02 20:25:56,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:56,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 20:25:56,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:56,500 INFO L225 Difference]: With dead ends: 100 [2018-12-02 20:25:56,500 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 20:25:56,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 20:25:56,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 79. [2018-12-02 20:25:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-02 20:25:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2018-12-02 20:25:56,506 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 20 [2018-12-02 20:25:56,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:56,507 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2018-12-02 20:25:56,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 20:25:56,507 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-12-02 20:25:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:25:56,508 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:56,508 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:56,508 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:56,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:56,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1772814294, now seen corresponding path program 1 times [2018-12-02 20:25:56,509 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:56,509 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:56,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:56,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:56,567 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 20:25:56,573 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:25:56,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:25:56,583 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-02 20:25:56,594 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 20:25:56,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-02 20:25:56,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2018-12-02 20:25:56,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 20:25:56,632 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:25:56,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:25:56,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-12-02 20:25:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:56,643 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:56,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:56,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:25:56,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 20:25:56,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 20:25:56,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 20:25:56,645 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 4 states. [2018-12-02 20:25:56,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:56,756 INFO L93 Difference]: Finished difference Result 112 states and 120 transitions. [2018-12-02 20:25:56,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 20:25:56,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-02 20:25:56,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:56,757 INFO L225 Difference]: With dead ends: 112 [2018-12-02 20:25:56,757 INFO L226 Difference]: Without dead ends: 111 [2018-12-02 20:25:56,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:56,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-02 20:25:56,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2018-12-02 20:25:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-02 20:25:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2018-12-02 20:25:56,763 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 20 [2018-12-02 20:25:56,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:56,763 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2018-12-02 20:25:56,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 20:25:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2018-12-02 20:25:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 20:25:56,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:56,764 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:56,764 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:56,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:56,764 INFO L82 PathProgramCache]: Analyzing trace with hash 590723039, now seen corresponding path program 1 times [2018-12-02 20:25:56,764 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:56,764 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:56,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:56,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:56,814 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:56,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:56,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 20:25:56,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:25:56,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:25:56,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:56,817 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 5 states. [2018-12-02 20:25:56,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:56,850 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2018-12-02 20:25:56,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:25:56,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-02 20:25:56,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:56,852 INFO L225 Difference]: With dead ends: 97 [2018-12-02 20:25:56,852 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 20:25:56,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:25:56,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 20:25:56,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-02 20:25:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-02 20:25:56,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2018-12-02 20:25:56,857 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 22 [2018-12-02 20:25:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:56,857 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2018-12-02 20:25:56,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:25:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2018-12-02 20:25:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 20:25:56,858 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:56,858 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:56,859 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:56,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:56,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1427486630, now seen corresponding path program 1 times [2018-12-02 20:25:56,859 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:56,859 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:56,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:56,897 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:56,919 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:56,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:56,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:25:56,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:25:56,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:25:56,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:25:56,921 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 6 states. [2018-12-02 20:25:56,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:56,946 INFO L93 Difference]: Finished difference Result 101 states and 117 transitions. [2018-12-02 20:25:56,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:25:56,947 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-02 20:25:56,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:56,948 INFO L225 Difference]: With dead ends: 101 [2018-12-02 20:25:56,948 INFO L226 Difference]: Without dead ends: 97 [2018-12-02 20:25:56,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:25:56,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-02 20:25:56,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-02 20:25:56,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-02 20:25:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2018-12-02 20:25:56,952 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 22 [2018-12-02 20:25:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:56,953 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2018-12-02 20:25:56,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:25:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2018-12-02 20:25:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:25:56,953 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:56,953 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:56,954 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:56,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:56,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1132545371, now seen corresponding path program 1 times [2018-12-02 20:25:56,954 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:56,954 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:56,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:57,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:57,020 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 20:25:57,020 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:25:57,022 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:25:57,022 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 20:25:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:57,060 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:57,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:57,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:25:57,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:25:57,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:25:57,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:25:57,062 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 6 states. [2018-12-02 20:25:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:57,232 INFO L93 Difference]: Finished difference Result 108 states and 124 transitions. [2018-12-02 20:25:57,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:25:57,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 20:25:57,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:57,233 INFO L225 Difference]: With dead ends: 108 [2018-12-02 20:25:57,234 INFO L226 Difference]: Without dead ends: 108 [2018-12-02 20:25:57,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:25:57,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-02 20:25:57,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2018-12-02 20:25:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-02 20:25:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2018-12-02 20:25:57,240 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 23 [2018-12-02 20:25:57,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:57,241 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2018-12-02 20:25:57,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:25:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2018-12-02 20:25:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:25:57,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:57,241 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:57,242 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:57,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:57,242 INFO L82 PathProgramCache]: Analyzing trace with hash 839142364, now seen corresponding path program 1 times [2018-12-02 20:25:57,242 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:57,242 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:57,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:57,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:57,306 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:57,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:57,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:25:57,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:25:57,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:25:57,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:25:57,309 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 6 states. [2018-12-02 20:25:57,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:25:57,341 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2018-12-02 20:25:57,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:25:57,342 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 20:25:57,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:25:57,342 INFO L225 Difference]: With dead ends: 93 [2018-12-02 20:25:57,342 INFO L226 Difference]: Without dead ends: 92 [2018-12-02 20:25:57,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:25:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-12-02 20:25:57,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2018-12-02 20:25:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-02 20:25:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-02 20:25:57,346 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 23 [2018-12-02 20:25:57,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:25:57,346 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-02 20:25:57,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:25:57,346 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-02 20:25:57,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:25:57,347 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:25:57,347 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:25:57,347 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:25:57,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:25:57,347 INFO L82 PathProgramCache]: Analyzing trace with hash -801323978, now seen corresponding path program 1 times [2018-12-02 20:25:57,348 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:25:57,348 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:25:57,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:25:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:25:57,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:25:57,409 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:25:57,412 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:25:57,418 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 20:25:57,421 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:25:57,426 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:25:57,435 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 20:25:57,435 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 20:25:57,456 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 20:25:57,456 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:25:57,474 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:25:57,489 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:25:57,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-02 20:25:57,505 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-02 20:25:57,856 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2018-12-02 20:25:57,861 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-12-02 20:25:57,861 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:25:57,865 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 20:25:57,866 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-12-02 20:25:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:25:57,899 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:25:57,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:25:57,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:25:57,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:25:57,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:25:57,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2018-12-02 20:25:57,901 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 8 states. [2018-12-02 20:26:00,071 WARN L180 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 20:26:00,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:26:00,739 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-12-02 20:26:00,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 20:26:00,740 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-02 20:26:00,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:26:00,740 INFO L225 Difference]: With dead ends: 100 [2018-12-02 20:26:00,740 INFO L226 Difference]: Without dead ends: 100 [2018-12-02 20:26:00,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=55, Invalid=99, Unknown=6, NotChecked=22, Total=182 [2018-12-02 20:26:00,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-02 20:26:00,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 89. [2018-12-02 20:26:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-02 20:26:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 101 transitions. [2018-12-02 20:26:00,745 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 101 transitions. Word has length 28 [2018-12-02 20:26:00,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:26:00,745 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 101 transitions. [2018-12-02 20:26:00,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:26:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2018-12-02 20:26:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:26:00,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:26:00,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:26:00,747 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:26:00,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:26:00,747 INFO L82 PathProgramCache]: Analyzing trace with hash -801323977, now seen corresponding path program 1 times [2018-12-02 20:26:00,747 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:26:00,747 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:26:00,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:26:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:26:00,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:26:00,816 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 20:26:00,823 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:00,830 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:26:00,830 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-02 20:26:00,842 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 20:26:00,863 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:26:00,867 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:00,873 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 20:26:00,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 20:26:00,877 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:00,891 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:00,893 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:00,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 20:26:00,899 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-02 20:26:00,917 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:00,938 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:00,968 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-12-02 20:26:00,968 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-02 20:26:01,952 WARN L854 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2018-12-02 20:26:01,959 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:01,962 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2018-12-02 20:26:01,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:02,040 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,041 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,042 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-12-02 20:26:02,042 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:02,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-12-02 20:26:02,109 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:02,171 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,172 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,173 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-12-02 20:26:02,173 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:02,232 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,233 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,234 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,235 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2018-12-02 20:26:02,235 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:02,297 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,300 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:02,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 37 [2018-12-02 20:26:02,313 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-02 20:26:02,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:02,374 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2018-12-02 20:26:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:26:02,444 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:26:02,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:26:02,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 20:26:02,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 20:26:02,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 20:26:02,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-12-02 20:26:02,447 INFO L87 Difference]: Start difference. First operand 89 states and 101 transitions. Second operand 9 states. [2018-12-02 20:26:08,453 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 20:26:10,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:26:10,233 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2018-12-02 20:26:10,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 20:26:10,234 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-12-02 20:26:10,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:26:10,235 INFO L225 Difference]: With dead ends: 101 [2018-12-02 20:26:10,235 INFO L226 Difference]: Without dead ends: 101 [2018-12-02 20:26:10,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=59, Invalid=124, Unknown=3, NotChecked=24, Total=210 [2018-12-02 20:26:10,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-02 20:26:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 88. [2018-12-02 20:26:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-12-02 20:26:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2018-12-02 20:26:10,238 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 28 [2018-12-02 20:26:10,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:26:10,238 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2018-12-02 20:26:10,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 20:26:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2018-12-02 20:26:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:26:10,238 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:26:10,238 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:26:10,239 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:26:10,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:26:10,239 INFO L82 PathProgramCache]: Analyzing trace with hash 851692356, now seen corresponding path program 1 times [2018-12-02 20:26:10,239 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:26:10,239 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:26:10,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:26:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:26:10,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:26:10,301 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:26:10,304 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:10,311 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 20:26:10,313 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 20:26:10,313 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:10,327 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:10,330 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:10,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 20:26:10,336 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-02 20:26:10,352 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:10,367 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:10,382 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-12-02 20:26:10,382 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-02 20:26:10,396 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 20:26:10,396 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:10,397 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:26:10,398 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-02 20:26:10,453 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:10,454 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2018-12-02 20:26:10,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:10,465 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:10,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-12-02 20:26:10,466 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:10,472 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-12-02 20:26:10,472 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2018-12-02 20:26:11,235 WARN L854 $PredicateComparison]: unable to prove that (exists ((probe2_6_~p~0.base (_ BitVec 32))) (and (not (= probe2_6_~p~0.base (_ bv0 32))) (= (store |c_old(#valid)| probe2_6_~p~0.base (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| probe2_6_~p~0.base)))) is different from true [2018-12-02 20:26:11,240 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:11,242 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:11,242 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-12-02 20:26:11,243 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:11,250 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 20:26:11,251 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-12-02 20:26:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:26:11,269 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:26:11,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:26:11,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 20:26:11,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 20:26:11,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 20:26:11,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2018-12-02 20:26:11,271 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 12 states. [2018-12-02 20:26:21,881 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-12-02 20:26:26,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:26:26,100 INFO L93 Difference]: Finished difference Result 105 states and 112 transitions. [2018-12-02 20:26:26,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 20:26:26,101 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-12-02 20:26:26,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:26:26,101 INFO L225 Difference]: With dead ends: 105 [2018-12-02 20:26:26,102 INFO L226 Difference]: Without dead ends: 102 [2018-12-02 20:26:26,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=54, Invalid=159, Unknown=1, NotChecked=26, Total=240 [2018-12-02 20:26:26,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-02 20:26:26,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 89. [2018-12-02 20:26:26,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-02 20:26:26,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2018-12-02 20:26:26,105 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 28 [2018-12-02 20:26:26,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:26:26,105 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2018-12-02 20:26:26,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 20:26:26,105 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2018-12-02 20:26:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 20:26:26,106 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:26:26,106 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:26:26,106 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:26:26,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:26:26,106 INFO L82 PathProgramCache]: Analyzing trace with hash 851692357, now seen corresponding path program 1 times [2018-12-02 20:26:26,107 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:26:26,107 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:26:26,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:26:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:26:26,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:26:26,172 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:26:26,175 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,184 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 20:26:26,187 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,190 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,197 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 20:26:26,197 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 20:26:26,217 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 20:26:26,217 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:26,232 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:26,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:26,264 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 20:26:26,268 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,274 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:26:26,274 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-02 20:26:26,284 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 20:26:26,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-12-02 20:26:26,313 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-02 20:26:26,373 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2018-12-02 20:26:26,374 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:26,413 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,414 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,415 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2018-12-02 20:26:26,415 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:26,438 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,438 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:26,439 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2018-12-02 20:26:26,439 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:26,469 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2018-12-02 20:26:26,470 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:26,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:26:26,478 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2018-12-02 20:26:28,536 WARN L180 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 16 [2018-12-02 20:26:28,542 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 20:26:28,542 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:28,550 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 20:26:28,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:28,554 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:26:28,554 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2018-12-02 20:26:29,232 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,234 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,237 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,248 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 47 [2018-12-02 20:26:29,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-12-02 20:26:29,376 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,377 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,377 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-02 20:26:29,377 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:29,380 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,381 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-12-02 20:26:29,381 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:29,484 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,487 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-12-02 20:26:29,487 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:29,578 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,580 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2018-12-02 20:26:29,580 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:29,642 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,643 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,643 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-12-02 20:26:29,643 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:29,703 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,704 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,706 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:26:29,707 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2018-12-02 20:26:29,707 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-02 20:26:29,775 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:26:29,775 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2018-12-02 20:26:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:26:30,698 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:26:30,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:26:30,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:26:30,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 20:26:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 20:26:30,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2018-12-02 20:26:30,701 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand 7 states. [2018-12-02 20:26:38,505 WARN L180 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-02 20:26:45,900 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 20:27:12,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:27:12,593 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2018-12-02 20:27:12,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 20:27:12,593 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-02 20:27:12,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:27:12,594 INFO L225 Difference]: With dead ends: 106 [2018-12-02 20:27:12,594 INFO L226 Difference]: Without dead ends: 105 [2018-12-02 20:27:12,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2018-12-02 20:27:12,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-02 20:27:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 75. [2018-12-02 20:27:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-12-02 20:27:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2018-12-02 20:27:12,596 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 28 [2018-12-02 20:27:12,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:27:12,596 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2018-12-02 20:27:12,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 20:27:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2018-12-02 20:27:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 20:27:12,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:27:12,597 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:27:12,597 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:27:12,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:27:12,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1862391807, now seen corresponding path program 1 times [2018-12-02 20:27:12,597 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:27:12,597 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:27:12,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:27:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:27:12,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:27:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:27:12,669 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:27:12,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:27:12,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:27:12,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:27:12,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:27:12,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:27:12,671 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand 6 states. [2018-12-02 20:27:12,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:27:12,694 INFO L93 Difference]: Finished difference Result 86 states and 89 transitions. [2018-12-02 20:27:12,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:27:12,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-12-02 20:27:12,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:27:12,694 INFO L225 Difference]: With dead ends: 86 [2018-12-02 20:27:12,694 INFO L226 Difference]: Without dead ends: 80 [2018-12-02 20:27:12,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:27:12,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-02 20:27:12,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2018-12-02 20:27:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-02 20:27:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 79 transitions. [2018-12-02 20:27:12,697 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 79 transitions. Word has length 30 [2018-12-02 20:27:12,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:27:12,697 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 79 transitions. [2018-12-02 20:27:12,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:27:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2018-12-02 20:27:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 20:27:12,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:27:12,697 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:27:12,697 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, disconnect_6Err0REQUIRES_VIOLATION, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-02 20:27:12,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:27:12,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1190237287, now seen corresponding path program 1 times [2018-12-02 20:27:12,698 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:27:12,698 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1909250-284c-4c18-9d27-ff83506e8cf8/bin-2019/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:27:12,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:27:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:27:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:27:12,842 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 20:27:12,850 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 20:27:12,853 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 20:27:12,854 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 20:27:12,854 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 20:27:12,854 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-02 20:27:12,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:27:12 BoogieIcfgContainer [2018-12-02 20:27:12,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 20:27:12,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:27:12,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:27:12,861 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:27:12,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:25:55" (3/4) ... [2018-12-02 20:27:12,863 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 20:27:12,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:27:12,864 INFO L168 Benchmark]: Toolchain (without parser) took 78346.31 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 322.4 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -74.6 MB). Peak memory consumption was 247.8 MB. Max. memory is 11.5 GB. [2018-12-02 20:27:12,864 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:27:12,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:27:12,864 INFO L168 Benchmark]: Boogie Preprocessor took 45.07 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. [2018-12-02 20:27:12,865 INFO L168 Benchmark]: RCFGBuilder took 818.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.1 MB in the end (delta: 115.4 MB). Peak memory consumption was 115.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:27:12,865 INFO L168 Benchmark]: TraceAbstraction took 77130.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.5 MB). Free memory was 990.1 MB in the beginning and 1.0 GB in the end (delta: -23.8 MB). Peak memory consumption was 159.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:27:12,865 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:27:12,866 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.07 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 818.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.1 MB in the end (delta: 115.4 MB). Peak memory consumption was 115.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 77130.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.5 MB). Free memory was 990.1 MB in the beginning and 1.0 GB in the end (delta: -23.8 MB). Peak memory consumption was 159.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1478]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1478. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1467] struct A a6; VAL [\old(a6)=null, \old(a6)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a6={3:0}, ldv_global_msg_list={2:0}] [L1479] CALL entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1471] CALL, EXPR probe2_6(&a6) VAL [a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}] [L1444] int ret = - -3; VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ret=3] [L1445] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, a6={3:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={61:0}, a6={3:0}, ldv_global_msg_list={2:0}, malloc(size)={61:0}, size=4] [L1445] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(int))={61:0}, ret=3] [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={61:0}, ret=3] [L1448] CALL, EXPR f6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1435] return __VERIFIER_nondet_int(); [L1448] RET, EXPR f6() VAL [a={3:0}, a={3:0}, a6={3:0}, f6()=0, ldv_global_msg_list={2:0}, p={61:0}, ret=3] [L1448] ret = f6() [L1449] COND FALSE !(ret<0) VAL [a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={61:0}, ret=0] [L1451] CALL, EXPR g6() VAL [a6={3:0}, ldv_global_msg_list={2:0}] [L1439] return __VERIFIER_nondet_int(); [L1451] RET, EXPR g6() VAL [a={3:0}, a={3:0}, a6={3:0}, g6()=-2147483648, ldv_global_msg_list={2:0}, p={61:0}, ret=0] [L1451] ret = g6() [L1452] COND TRUE ret<0 [L1453] return ret; VAL [\result=-2147483648, a={3:0}, a={3:0}, a6={3:0}, ldv_global_msg_list={2:0}, p={61:0}, ret=2147483648] [L1471] RET, EXPR probe2_6(&a6) VAL [a6={3:0}, ldv_global_msg_list={2:0}, probe2_6(&a6)=-2147483648] [L1471] int ret = probe2_6(&a6); [L1472] COND FALSE !(ret==0) VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=2147483648] [L1475] a6.p = 0 VAL [a6={3:0}, ldv_global_msg_list={2:0}, ret=2147483648] [L1479] RET entry_point() VAL [a6={3:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 347 locations, 77 error locations. UNSAFE Result, 77.0s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 68.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 756 SDtfs, 756 SDslu, 1648 SDs, 0 SdLazy, 999 SolverSat, 241 SolverUnsat, 27 SolverUnknown, 0 SolverNotchecked, 41.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 211 SyntacticMatches, 15 SemanticMatches, 79 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 32.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred 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, 12 MinimizatonAttempts, 129 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 280 ConstructedInterpolants, 38 QuantifiedInterpolants, 53279 SizeOfPredicates, 47 NumberOfNonLiveVariables, 1264 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...