./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_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:25,340 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:14:25,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:14:25,347 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:14:25,347 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:14:25,348 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:14:25,348 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:14:25,349 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:14:25,350 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:14:25,350 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:14:25,351 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:14:25,351 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:14:25,351 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:14:25,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:14:25,352 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:14:25,353 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:14:25,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:14:25,354 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:14:25,355 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:14:25,356 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:14:25,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:14:25,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:14:25,358 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:14:25,358 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:14:25,358 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:14:25,359 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:14:25,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:14:25,359 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:14:25,360 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:14:25,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:14:25,361 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:14:25,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:14:25,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:14:25,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:14:25,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:14:25,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:14:25,362 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-09 11:14:25,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:14:25,369 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:14:25,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:14:25,370 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:14:25,370 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:14:25,370 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:14:25,370 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:14:25,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 11:14:25,371 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 11:14:25,372 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:14:25,372 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:14:25,372 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:14:25,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:14:25,372 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:14:25,372 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:14:25,372 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:14:25,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:14:25,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:14:25,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:14:25,373 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 11:14:25,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:14:25,373 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_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:25,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:14:25,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:14:25,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:14:25,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:14:25,400 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:14:25,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-09 11:14:25,438 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/eea5e04b1/cc46487fbb38441491e8447e29995a97/FLAG2cb126849 [2018-12-09 11:14:25,941 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:14:25,942 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-09 11:14:25,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/eea5e04b1/cc46487fbb38441491e8447e29995a97/FLAG2cb126849 [2018-12-09 11:14:26,271 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/eea5e04b1/cc46487fbb38441491e8447e29995a97 [2018-12-09 11:14:26,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:14:26,274 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-09 11:14:26,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:14:26,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:14:26,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:14:26,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdff3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26, skipping insertion in model container [2018-12-09 11:14:26,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:14:26,317 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:14:26,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:14:26,569 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:14:26,605 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:14:26,637 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:14:26,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26 WrapperNode [2018-12-09 11:14:26,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:14:26,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:14:26,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:14:26,638 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:14:26,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... [2018-12-09 11:14:26,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:14:26,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:14:26,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:14:26,685 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:14:26,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:14:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:14:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-09 11:14:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-09 11:14:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-09 11:14:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-09 11:14:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-09 11:14:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-09 11:14:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-09 11:14:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-09 11:14:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-09 11:14:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-09 11:14:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-09 11:14:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-09 11:14:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 11:14:26,728 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-09 11:14:26,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-09 11:14:26,941 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:14:27,033 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:14:27,168 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:14:27,169 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 11:14:27,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:27 BoogieIcfgContainer [2018-12-09 11:14:27,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:14:27,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:14:27,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:14:27,171 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:14:27,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:14:26" (1/3) ... [2018-12-09 11:14:27,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74893ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:14:27, skipping insertion in model container [2018-12-09 11:14:27,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:26" (2/3) ... [2018-12-09 11:14:27,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74893ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:14:27, skipping insertion in model container [2018-12-09 11:14:27,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:27" (3/3) ... [2018-12-09 11:14:27,173 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-09 11:14:27,179 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:14:27,184 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2018-12-09 11:14:27,194 INFO L257 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2018-12-09 11:14:27,209 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:14:27,209 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:14:27,209 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 11:14:27,209 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:14:27,209 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:14:27,210 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:14:27,210 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:14:27,210 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:14:27,210 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:14:27,220 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-12-09 11:14:27,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:14:27,226 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:27,227 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] [2018-12-09 11:14:27,228 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:27,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:27,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1939746423, now seen corresponding path program 1 times [2018-12-09 11:14:27,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:27,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:27,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:27,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:27,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:27,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:14:27,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:14:27,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:14:27,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:14:27,376 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 5 states. [2018-12-09 11:14:27,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:27,413 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-12-09 11:14:27,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:27,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-09 11:14:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:27,422 INFO L225 Difference]: With dead ends: 79 [2018-12-09 11:14:27,422 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 11:14:27,423 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 [2018-12-09 11:14:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 11:14:27,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 61. [2018-12-09 11:14:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-09 11:14:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2018-12-09 11:14:27,449 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 20 [2018-12-09 11:14:27,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:27,450 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2018-12-09 11:14:27,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:14:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2018-12-09 11:14:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:14:27,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:27,450 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] [2018-12-09 11:14:27,451 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:27,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:27,451 INFO L82 PathProgramCache]: Analyzing trace with hash -2136259928, now seen corresponding path program 1 times [2018-12-09 11:14:27,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:27,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:27,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:27,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:27,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:27,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:14:27,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:14:27,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:14:27,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:14:27,493 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 4 states. [2018-12-09 11:14:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:27,574 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-12-09 11:14:27,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:27,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-09 11:14:27,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:27,576 INFO L225 Difference]: With dead ends: 100 [2018-12-09 11:14:27,576 INFO L226 Difference]: Without dead ends: 97 [2018-12-09 11:14:27,576 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 [2018-12-09 11:14:27,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-09 11:14:27,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 79. [2018-12-09 11:14:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-09 11:14:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2018-12-09 11:14:27,582 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 20 [2018-12-09 11:14:27,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:27,582 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2018-12-09 11:14:27,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:14:27,582 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-12-09 11:14:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:14:27,583 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:27,583 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] [2018-12-09 11:14:27,583 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:27,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:27,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2136259927, now seen corresponding path program 1 times [2018-12-09 11:14:27,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:27,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:27,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:27,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:27,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:27,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:14:27,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:14:27,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:14:27,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:14:27,621 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 4 states. [2018-12-09 11:14:27,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:27,690 INFO L93 Difference]: Finished difference Result 112 states and 120 transitions. [2018-12-09 11:14:27,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:27,691 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-09 11:14:27,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:27,691 INFO L225 Difference]: With dead ends: 112 [2018-12-09 11:14:27,691 INFO L226 Difference]: Without dead ends: 111 [2018-12-09 11:14:27,692 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 [2018-12-09 11:14:27,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-09 11:14:27,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2018-12-09 11:14:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-09 11:14:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2018-12-09 11:14:27,697 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 20 [2018-12-09 11:14:27,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:27,697 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2018-12-09 11:14:27,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:14:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2018-12-09 11:14:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:14:27,698 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:27,698 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] [2018-12-09 11:14:27,698 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:27,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:27,698 INFO L82 PathProgramCache]: Analyzing trace with hash -817731938, now seen corresponding path program 1 times [2018-12-09 11:14:27,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:27,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:27,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:27,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:27,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:27,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:14:27,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:14:27,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:14:27,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:14:27,730 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 5 states. [2018-12-09 11:14:27,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:27,739 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2018-12-09 11:14:27,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:27,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-09 11:14:27,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:27,740 INFO L225 Difference]: With dead ends: 97 [2018-12-09 11:14:27,741 INFO L226 Difference]: Without dead ends: 97 [2018-12-09 11:14:27,741 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 [2018-12-09 11:14:27,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-09 11:14:27,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-09 11:14:27,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-09 11:14:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2018-12-09 11:14:27,745 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 22 [2018-12-09 11:14:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:27,745 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2018-12-09 11:14:27,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:14:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2018-12-09 11:14:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:14:27,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:27,746 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] [2018-12-09 11:14:27,746 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:27,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:27,746 INFO L82 PathProgramCache]: Analyzing trace with hash 48584325, now seen corresponding path program 1 times [2018-12-09 11:14:27,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:27,746 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:27,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:27,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:27,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:27,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:14:27,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:14:27,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:14:27,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:14:27,788 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 6 states. [2018-12-09 11:14:27,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:27,907 INFO L93 Difference]: Finished difference Result 114 states and 132 transitions. [2018-12-09 11:14:27,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:14:27,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-09 11:14:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:27,908 INFO L225 Difference]: With dead ends: 114 [2018-12-09 11:14:27,908 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 11:14:27,908 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 [2018-12-09 11:14:27,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 11:14:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 103. [2018-12-09 11:14:27,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-09 11:14:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 124 transitions. [2018-12-09 11:14:27,916 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 124 transitions. Word has length 22 [2018-12-09 11:14:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:27,916 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 124 transitions. [2018-12-09 11:14:27,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:14:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2018-12-09 11:14:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:14:27,916 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:27,916 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] [2018-12-09 11:14:27,917 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:27,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:27,917 INFO L82 PathProgramCache]: Analyzing trace with hash 48584326, now seen corresponding path program 1 times [2018-12-09 11:14:27,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:27,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:27,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:27,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:27,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:27,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:14:27,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:14:27,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:14:27,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:14:27,964 INFO L87 Difference]: Start difference. First operand 103 states and 124 transitions. Second operand 6 states. [2018-12-09 11:14:27,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:27,980 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2018-12-09 11:14:27,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:14:27,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-09 11:14:27,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:27,981 INFO L225 Difference]: With dead ends: 107 [2018-12-09 11:14:27,981 INFO L226 Difference]: Without dead ends: 103 [2018-12-09 11:14:27,982 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 [2018-12-09 11:14:27,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-09 11:14:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-12-09 11:14:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-09 11:14:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2018-12-09 11:14:27,988 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 22 [2018-12-09 11:14:27,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:27,988 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2018-12-09 11:14:27,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:14:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2018-12-09 11:14:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:14:27,989 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:27,989 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] [2018-12-09 11:14:27,989 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:27,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:27,989 INFO L82 PathProgramCache]: Analyzing trace with hash 420114045, now seen corresponding path program 1 times [2018-12-09 11:14:27,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:27,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:27,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:27,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:28,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:28,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:14:28,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:14:28,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:14:28,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:14:28,017 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand 5 states. [2018-12-09 11:14:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:28,061 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions. [2018-12-09 11:14:28,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:28,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-09 11:14:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:28,062 INFO L225 Difference]: With dead ends: 105 [2018-12-09 11:14:28,062 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 11:14:28,063 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 [2018-12-09 11:14:28,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 11:14:28,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2018-12-09 11:14:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-12-09 11:14:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2018-12-09 11:14:28,066 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 23 [2018-12-09 11:14:28,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:28,066 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2018-12-09 11:14:28,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:14:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2018-12-09 11:14:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:14:28,067 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:28,067 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] [2018-12-09 11:14:28,067 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:28,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:28,067 INFO L82 PathProgramCache]: Analyzing trace with hash 126711038, now seen corresponding path program 1 times [2018-12-09 11:14:28,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:28,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:28,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:28,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:28,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:28,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:14:28,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:14:28,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:14:28,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:14:28,091 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand 5 states. [2018-12-09 11:14:28,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:28,099 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2018-12-09 11:14:28,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:28,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-09 11:14:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:28,100 INFO L225 Difference]: With dead ends: 67 [2018-12-09 11:14:28,100 INFO L226 Difference]: Without dead ends: 63 [2018-12-09 11:14:28,100 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 [2018-12-09 11:14:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-09 11:14:28,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-12-09 11:14:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-09 11:14:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2018-12-09 11:14:28,103 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 23 [2018-12-09 11:14:28,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:28,103 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2018-12-09 11:14:28,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:14:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2018-12-09 11:14:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:14:28,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:28,103 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] [2018-12-09 11:14:28,104 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:28,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:28,104 INFO L82 PathProgramCache]: Analyzing trace with hash 957911061, now seen corresponding path program 1 times [2018-12-09 11:14:28,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:28,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:28,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:28,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:28,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:28,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:14:28,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:14:28,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:14:28,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:14:28,159 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 7 states. [2018-12-09 11:14:28,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:28,294 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2018-12-09 11:14:28,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 11:14:28,294 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-09 11:14:28,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:28,295 INFO L225 Difference]: With dead ends: 72 [2018-12-09 11:14:28,295 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 11:14:28,295 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 [2018-12-09 11:14:28,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 11:14:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2018-12-09 11:14:28,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-09 11:14:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2018-12-09 11:14:28,298 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 28 [2018-12-09 11:14:28,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:28,299 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2018-12-09 11:14:28,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:14:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2018-12-09 11:14:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:14:28,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:28,300 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] [2018-12-09 11:14:28,300 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:28,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:28,300 INFO L82 PathProgramCache]: Analyzing trace with hash 957911062, now seen corresponding path program 1 times [2018-12-09 11:14:28,300 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:28,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:28,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:28,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:28,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:28,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:14:28,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:14:28,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:14:28,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:14:28,377 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand 8 states. [2018-12-09 11:14:28,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:28,500 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2018-12-09 11:14:28,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:14:28,501 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-09 11:14:28,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:28,501 INFO L225 Difference]: With dead ends: 60 [2018-12-09 11:14:28,501 INFO L226 Difference]: Without dead ends: 60 [2018-12-09 11:14:28,502 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 [2018-12-09 11:14:28,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-09 11:14:28,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-09 11:14:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-09 11:14:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-12-09 11:14:28,504 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 28 [2018-12-09 11:14:28,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:28,504 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-12-09 11:14:28,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:14:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-12-09 11:14:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:14:28,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:28,505 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] [2018-12-09 11:14:28,505 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:28,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:28,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1684039901, now seen corresponding path program 1 times [2018-12-09 11:14:28,505 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:28,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:28,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:28,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:28,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:14:28,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:14:28,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:14:28,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:14:28,613 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 7 states. [2018-12-09 11:14:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:28,760 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-09 11:14:28,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 11:14:28,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-09 11:14:28,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:28,761 INFO L225 Difference]: With dead ends: 64 [2018-12-09 11:14:28,761 INFO L226 Difference]: Without dead ends: 60 [2018-12-09 11:14:28,762 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 [2018-12-09 11:14:28,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-09 11:14:28,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-09 11:14:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-09 11:14:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-12-09 11:14:28,764 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 28 [2018-12-09 11:14:28,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:28,764 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-12-09 11:14:28,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:14:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-12-09 11:14:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:14:28,765 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:28,765 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] [2018-12-09 11:14:28,765 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:28,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:28,765 INFO L82 PathProgramCache]: Analyzing trace with hash 840333376, now seen corresponding path program 1 times [2018-12-09 11:14:28,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:28,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:28,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:28,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:28,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:28,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:14:28,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:14:28,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:14:28,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:14:28,797 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 6 states. [2018-12-09 11:14:28,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:28,811 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2018-12-09 11:14:28,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:14:28,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-12-09 11:14:28,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:28,812 INFO L225 Difference]: With dead ends: 62 [2018-12-09 11:14:28,812 INFO L226 Difference]: Without dead ends: 56 [2018-12-09 11:14:28,812 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 [2018-12-09 11:14:28,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-09 11:14:28,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2018-12-09 11:14:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-09 11:14:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2018-12-09 11:14:28,814 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 30 [2018-12-09 11:14:28,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:28,814 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2018-12-09 11:14:28,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:14:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-12-09 11:14:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:14:28,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:28,815 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] [2018-12-09 11:14:28,816 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_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_6Err3ASSERT_VIOLATIONMEMORY_FREE, disconnect_6Err1REQUIRES_VIOLATION, disconnect_6Err2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, probe2_6Err0REQUIRES_VIOLATION, probe2_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe2_6Err1REQUIRES_VIOLATION, probe2_6Err2ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-09 11:14:28,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:28,816 INFO L82 PathProgramCache]: Analyzing trace with hash -2078596280, now seen corresponding path program 1 times [2018-12-09 11:14:28,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 11:14:28,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 11:14:28,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:28,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:14:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:14:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:14:28,844 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 11:14:28,852 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 11:14:28,855 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-09 11:14:28,855 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-09 11:14:28,856 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# [2018-12-09 11:14:28,856 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# [2018-12-09 11:14:28,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:14:28 BoogieIcfgContainer [2018-12-09 11:14:28,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:14:28,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:14:28,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:14:28,863 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:14:28,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:27" (3/4) ... [2018-12-09 11:14:28,866 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:14:28,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:14:28,866 INFO L168 Benchmark]: Toolchain (without parser) took 2592.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 949.5 MB in the beginning and 876.2 MB in the end (delta: 73.4 MB). Peak memory consumption was 176.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:14:28,867 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:14:28,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -129.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:14:28,868 INFO L168 Benchmark]: Boogie Preprocessor took 46.97 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. [2018-12-09 11:14:28,868 INFO L168 Benchmark]: RCFGBuilder took 484.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 967.9 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:14:28,868 INFO L168 Benchmark]: TraceAbstraction took 1692.41 ms. Allocated memory is still 1.1 GB. Free memory was 967.9 MB in the beginning and 879.6 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:14:28,869 INFO L168 Benchmark]: Witness Printer took 3.33 ms. Allocated memory is still 1.1 GB. Free memory was 879.6 MB in the beginning and 876.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:14:28,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -129.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.97 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 484.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 967.9 MB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1692.41 ms. Allocated memory is still 1.1 GB. Free memory was 967.9 MB in the beginning and 879.6 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.33 ms. Allocated memory is still 1.1 GB. Free memory was 879.6 MB in the beginning and 876.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 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 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 [2018-12-09 11:14:30,308 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:14:30,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:14:30,315 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:14:30,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:14:30,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:14:30,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:14:30,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:14:30,318 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:14:30,318 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:14:30,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:14:30,319 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:14:30,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:14:30,319 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:14:30,320 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:14:30,320 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:14:30,321 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:14:30,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:14:30,322 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:14:30,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:14:30,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:14:30,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:14:30,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:14:30,325 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:14:30,325 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:14:30,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:14:30,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:14:30,327 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:14:30,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:14:30,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:14:30,328 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:14:30,328 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:14:30,328 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:14:30,328 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:14:30,329 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:14:30,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:14:30,329 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-09 11:14:30,336 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:14:30,336 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:14:30,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:14:30,337 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:14:30,337 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:14:30,337 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:14:30,337 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 11:14:30,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 11:14:30,338 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:14:30,339 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:14:30,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:14:30,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:14:30,340 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 11:14:30,340 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:14:30,340 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 11:14:30,340 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_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:30,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:14:30,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:14:30,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:14:30,367 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:14:30,367 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:14:30,368 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-09 11:14:30,402 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/68a56f55a/50e3bce376fa468088dae814eb35bc3a/FLAGdac89e6ce [2018-12-09 11:14:30,741 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:14:30,741 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/sv-benchmarks/c/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-09 11:14:30,748 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/68a56f55a/50e3bce376fa468088dae814eb35bc3a/FLAGdac89e6ce [2018-12-09 11:14:30,756 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/bin-2019/uautomizer/data/68a56f55a/50e3bce376fa468088dae814eb35bc3a [2018-12-09 11:14:30,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:14:30,759 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-09 11:14:30,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:14:30,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:14:30,761 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:14:30,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:30" (1/1) ... [2018-12-09 11:14:30,763 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 09.12 11:14:30, skipping insertion in model container [2018-12-09 11:14:30,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:14:30" (1/1) ... [2018-12-09 11:14:30,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:14:30,791 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:14:30,986 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:14:31,036 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:14:31,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:14:31,121 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:14:31,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31 WrapperNode [2018-12-09 11:14:31,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:14:31,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:14:31,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:14:31,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:14:31,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... [2018-12-09 11:14:31,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... [2018-12-09 11:14:31,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... [2018-12-09 11:14:31,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... [2018-12-09 11:14:31,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... [2018-12-09 11:14:31,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... [2018-12-09 11:14:31,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... [2018-12-09 11:14:31,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:14:31,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:14:31,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:14:31,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:14:31,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-09 11:14:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-09 11:14:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure probe2_6 [2018-12-09 11:14:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-12-09 11:14:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-09 11:14:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:14:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-09 11:14:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-09 11:14:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-09 11:14:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-09 11:14:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-09 11:14:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-09 11:14:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-09 11:14:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-09 11:14:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-09 11:14:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-09 11:14:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-09 11:14:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-09 11:14:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-09 11:14:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-09 11:14:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-09 11:14:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-09 11:14:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-09 11:14:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-09 11:14:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure probe2_6 [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-09 11:14:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-09 11:14:31,464 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:14:31,682 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 11:14:31,926 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:14:31,926 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 11:14:31,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:31 BoogieIcfgContainer [2018-12-09 11:14:31,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:14:31,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:14:31,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:14:31,929 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:14:31,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:14:30" (1/3) ... [2018-12-09 11:14:31,930 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 09.12 11:14:31, skipping insertion in model container [2018-12-09 11:14:31,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:14:31" (2/3) ... [2018-12-09 11:14:31,930 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 09.12 11:14:31, skipping insertion in model container [2018-12-09 11:14:31,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:31" (3/3) ... [2018-12-09 11:14:31,931 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-12-09 11:14:31,937 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:14:31,942 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2018-12-09 11:14:31,952 INFO L257 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2018-12-09 11:14:31,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 11:14:31,967 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:14:31,967 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 11:14:31,967 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:14:31,967 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:14:31,967 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:14:31,968 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:14:31,968 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:14:31,968 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:14:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2018-12-09 11:14:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:14:31,984 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:31,984 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] [2018-12-09 11:14:31,986 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]=== [2018-12-09 11:14:31,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:31,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1576300790, now seen corresponding path program 1 times [2018-12-09 11:14:31,992 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:31,992 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:32,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:32,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:32,090 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:32,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:32,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:14:32,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:14:32,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:14:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:14:32,104 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 5 states. [2018-12-09 11:14:32,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:32,159 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2018-12-09 11:14:32,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:32,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-09 11:14:32,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:32,168 INFO L225 Difference]: With dead ends: 79 [2018-12-09 11:14:32,168 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 11:14:32,169 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 [2018-12-09 11:14:32,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 11:14:32,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 61. [2018-12-09 11:14:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-09 11:14:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2018-12-09 11:14:32,195 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 20 [2018-12-09 11:14:32,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:32,196 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2018-12-09 11:14:32,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:14:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2018-12-09 11:14:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:14:32,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:32,196 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] [2018-12-09 11:14:32,197 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]=== [2018-12-09 11:14:32,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:32,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1772814295, now seen corresponding path program 1 times [2018-12-09 11:14:32,197 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:32,197 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:32,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:32,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:32,279 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 [2018-12-09 11:14:32,286 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:32,297 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 [2018-12-09 11:14:32,302 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:32,305 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:32,314 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 [2018-12-09 11:14:32,315 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-09 11:14:32,348 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 [2018-12-09 11:14:32,349 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:32,373 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:32,394 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:32,411 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. [2018-12-09 11:14:32,412 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-09 11:14:32,435 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 [2018-12-09 11:14:32,435 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:32,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:14:32,438 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-09 11:14:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:32,446 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:32,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:32,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:14:32,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:14:32,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:14:32,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:14:32,449 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand 4 states. [2018-12-09 11:14:32,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:32,622 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-12-09 11:14:32,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:32,622 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-09 11:14:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:32,624 INFO L225 Difference]: With dead ends: 100 [2018-12-09 11:14:32,624 INFO L226 Difference]: Without dead ends: 97 [2018-12-09 11:14:32,624 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 [2018-12-09 11:14:32,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-09 11:14:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 79. [2018-12-09 11:14:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-12-09 11:14:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2018-12-09 11:14:32,633 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 20 [2018-12-09 11:14:32,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:32,633 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2018-12-09 11:14:32,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:14:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2018-12-09 11:14:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:14:32,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:32,635 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] [2018-12-09 11:14:32,635 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]=== [2018-12-09 11:14:32,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:32,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1772814294, now seen corresponding path program 1 times [2018-12-09 11:14:32,636 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:32,636 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:32,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:32,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:32,693 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 [2018-12-09 11:14:32,697 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:32,706 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 [2018-12-09 11:14:32,707 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-09 11:14:32,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-09 11:14:32,731 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. [2018-12-09 11:14:32,732 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:13, output treesize:24 [2018-12-09 11:14:32,767 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 [2018-12-09 11:14:32,767 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:32,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:14:32,771 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-12-09 11:14:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:32,779 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:32,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:32,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:14:32,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:14:32,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:14:32,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:14:32,780 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 4 states. [2018-12-09 11:14:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:32,890 INFO L93 Difference]: Finished difference Result 112 states and 120 transitions. [2018-12-09 11:14:32,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:14:32,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-12-09 11:14:32,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:32,891 INFO L225 Difference]: With dead ends: 112 [2018-12-09 11:14:32,891 INFO L226 Difference]: Without dead ends: 111 [2018-12-09 11:14:32,891 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 [2018-12-09 11:14:32,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-09 11:14:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2018-12-09 11:14:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-12-09 11:14:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 116 transitions. [2018-12-09 11:14:32,895 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 116 transitions. Word has length 20 [2018-12-09 11:14:32,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:32,896 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 116 transitions. [2018-12-09 11:14:32,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:14:32,896 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2018-12-09 11:14:32,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:14:32,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:32,896 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] [2018-12-09 11:14:32,896 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]=== [2018-12-09 11:14:32,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:32,896 INFO L82 PathProgramCache]: Analyzing trace with hash 590723039, now seen corresponding path program 1 times [2018-12-09 11:14:32,897 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:32,897 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:32,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:32,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:32,947 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:32,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:32,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:14:32,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:14:32,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:14:32,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:14:32,949 INFO L87 Difference]: Start difference. First operand 98 states and 116 transitions. Second operand 5 states. [2018-12-09 11:14:32,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:32,972 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2018-12-09 11:14:32,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:14:32,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-09 11:14:32,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:32,974 INFO L225 Difference]: With dead ends: 97 [2018-12-09 11:14:32,975 INFO L226 Difference]: Without dead ends: 97 [2018-12-09 11:14:32,975 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 [2018-12-09 11:14:32,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-09 11:14:32,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-09 11:14:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-09 11:14:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 114 transitions. [2018-12-09 11:14:32,980 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 114 transitions. Word has length 22 [2018-12-09 11:14:32,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:32,980 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 114 transitions. [2018-12-09 11:14:32,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:14:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2018-12-09 11:14:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 11:14:32,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:32,981 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] [2018-12-09 11:14:32,981 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]=== [2018-12-09 11:14:32,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:32,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1427486630, now seen corresponding path program 1 times [2018-12-09 11:14:32,982 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:32,982 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:32,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:33,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:33,047 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:33,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:33,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:14:33,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:14:33,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:14:33,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:14:33,048 INFO L87 Difference]: Start difference. First operand 97 states and 114 transitions. Second operand 6 states. [2018-12-09 11:14:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:33,070 INFO L93 Difference]: Finished difference Result 101 states and 117 transitions. [2018-12-09 11:14:33,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:14:33,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-09 11:14:33,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:33,071 INFO L225 Difference]: With dead ends: 101 [2018-12-09 11:14:33,071 INFO L226 Difference]: Without dead ends: 97 [2018-12-09 11:14:33,071 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 [2018-12-09 11:14:33,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-12-09 11:14:33,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-12-09 11:14:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-09 11:14:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2018-12-09 11:14:33,075 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 22 [2018-12-09 11:14:33,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:33,075 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2018-12-09 11:14:33,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:14:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2018-12-09 11:14:33,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:14:33,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:33,076 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] [2018-12-09 11:14:33,077 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]=== [2018-12-09 11:14:33,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:33,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1132545371, now seen corresponding path program 1 times [2018-12-09 11:14:33,077 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:33,077 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:33,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:33,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:33,133 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 [2018-12-09 11:14:33,133 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:33,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:14:33,134 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-09 11:14:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:33,164 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:33,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:33,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:14:33,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:14:33,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:14:33,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:14:33,166 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 6 states. [2018-12-09 11:14:33,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:33,328 INFO L93 Difference]: Finished difference Result 108 states and 124 transitions. [2018-12-09 11:14:33,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:14:33,328 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-09 11:14:33,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:33,329 INFO L225 Difference]: With dead ends: 108 [2018-12-09 11:14:33,329 INFO L226 Difference]: Without dead ends: 108 [2018-12-09 11:14:33,329 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 [2018-12-09 11:14:33,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-12-09 11:14:33,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2018-12-09 11:14:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-12-09 11:14:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2018-12-09 11:14:33,333 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 23 [2018-12-09 11:14:33,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:33,333 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2018-12-09 11:14:33,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:14:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2018-12-09 11:14:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:14:33,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:33,334 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] [2018-12-09 11:14:33,334 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]=== [2018-12-09 11:14:33,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:33,334 INFO L82 PathProgramCache]: Analyzing trace with hash 839142364, now seen corresponding path program 1 times [2018-12-09 11:14:33,335 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:33,335 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:33,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:33,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:33,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:33,396 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:33,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:33,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:14:33,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:14:33,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:14:33,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:14:33,397 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 6 states. [2018-12-09 11:14:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:33,428 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2018-12-09 11:14:33,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:14:33,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-09 11:14:33,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:33,429 INFO L225 Difference]: With dead ends: 93 [2018-12-09 11:14:33,429 INFO L226 Difference]: Without dead ends: 92 [2018-12-09 11:14:33,429 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 [2018-12-09 11:14:33,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-12-09 11:14:33,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2018-12-09 11:14:33,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-12-09 11:14:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2018-12-09 11:14:33,433 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 23 [2018-12-09 11:14:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:33,433 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2018-12-09 11:14:33,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:14:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2018-12-09 11:14:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:14:33,434 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:33,434 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] [2018-12-09 11:14:33,434 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]=== [2018-12-09 11:14:33,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:33,434 INFO L82 PathProgramCache]: Analyzing trace with hash -801323978, now seen corresponding path program 1 times [2018-12-09 11:14:33,434 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:33,434 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:33,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:33,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:33,494 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 [2018-12-09 11:14:33,497 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:33,506 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 [2018-12-09 11:14:33,509 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:33,512 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:33,518 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 [2018-12-09 11:14:33,518 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-09 11:14:33,541 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 [2018-12-09 11:14:33,542 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:33,558 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:33,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:33,588 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. [2018-12-09 11:14:33,588 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-09 11:14:33,937 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 [2018-12-09 11:14:33,942 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 [2018-12-09 11:14:33,942 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:33,946 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. [2018-12-09 11:14:33,946 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-12-09 11:14:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:33,976 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:33,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:33,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:14:33,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:14:33,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:14:33,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2018-12-09 11:14:33,979 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 8 states. [2018-12-09 11:14:36,159 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 11:14:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:36,822 INFO L93 Difference]: Finished difference Result 100 states and 111 transitions. [2018-12-09 11:14:36,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 11:14:36,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-12-09 11:14:36,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:36,822 INFO L225 Difference]: With dead ends: 100 [2018-12-09 11:14:36,822 INFO L226 Difference]: Without dead ends: 100 [2018-12-09 11:14:36,823 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 [2018-12-09 11:14:36,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-09 11:14:36,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 89. [2018-12-09 11:14:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-09 11:14:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 101 transitions. [2018-12-09 11:14:36,826 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 101 transitions. Word has length 28 [2018-12-09 11:14:36,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:36,826 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 101 transitions. [2018-12-09 11:14:36,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:14:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2018-12-09 11:14:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:14:36,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:36,826 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] [2018-12-09 11:14:36,827 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]=== [2018-12-09 11:14:36,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash -801323977, now seen corresponding path program 1 times [2018-12-09 11:14:36,827 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:36,827 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:36,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:36,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:36,898 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 [2018-12-09 11:14:36,904 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:36,911 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-12-09 11:14:36,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-12-09 11:14:36,925 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-09 11:14:36,942 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 [2018-12-09 11:14:36,947 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:36,953 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 [2018-12-09 11:14:36,957 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 [2018-12-09 11:14:36,957 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:36,970 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:36,973 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:36,978 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 [2018-12-09 11:14:36,979 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-09 11:14:36,997 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:37,014 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:37,045 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. [2018-12-09 11:14:37,045 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-09 11:14:38,028 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 [2018-12-09 11:14:38,036 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,038 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 [2018-12-09 11:14:38,039 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:38,116 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,118 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,118 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 [2018-12-09 11:14:38,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:38,190 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 [2018-12-09 11:14:38,190 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:38,257 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,258 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,258 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 [2018-12-09 11:14:38,259 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:38,319 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,321 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,322 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,323 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 [2018-12-09 11:14:38,323 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:38,384 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,387 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:38,399 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 [2018-12-09 11:14:38,399 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-09 11:14:38,470 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:38,471 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:93, output treesize:40 [2018-12-09 11:14:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:38,541 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:38,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:38,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 11:14:38,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 11:14:38,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 11:14:38,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-12-09 11:14:38,543 INFO L87 Difference]: Start difference. First operand 89 states and 101 transitions. Second operand 9 states. [2018-12-09 11:14:44,552 WARN L180 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 36 [2018-12-09 11:14:45,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:14:45,955 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2018-12-09 11:14:45,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 11:14:45,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-12-09 11:14:45,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:14:45,956 INFO L225 Difference]: With dead ends: 101 [2018-12-09 11:14:45,956 INFO L226 Difference]: Without dead ends: 101 [2018-12-09 11:14:45,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=59, Invalid=124, Unknown=3, NotChecked=24, Total=210 [2018-12-09 11:14:45,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-09 11:14:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 88. [2018-12-09 11:14:45,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-12-09 11:14:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2018-12-09 11:14:45,960 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 28 [2018-12-09 11:14:45,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:14:45,960 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2018-12-09 11:14:45,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 11:14:45,960 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2018-12-09 11:14:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:14:45,961 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:14:45,961 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] [2018-12-09 11:14:45,962 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]=== [2018-12-09 11:14:45,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:14:45,962 INFO L82 PathProgramCache]: Analyzing trace with hash 851692356, now seen corresponding path program 1 times [2018-12-09 11:14:45,962 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:14:45,962 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:14:45,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:14:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:14:46,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:14:46,025 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 [2018-12-09 11:14:46,028 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:46,034 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 [2018-12-09 11:14:46,037 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 [2018-12-09 11:14:46,038 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:46,053 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:46,056 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:46,063 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 [2018-12-09 11:14:46,063 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-09 11:14:46,082 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:46,096 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:14:46,110 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. [2018-12-09 11:14:46,110 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:12, output treesize:44 [2018-12-09 11:14:46,124 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-12-09 11:14:46,124 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:46,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:14:46,125 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-12-09 11:14:46,173 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:46,173 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 [2018-12-09 11:14:46,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:46,184 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:46,185 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 [2018-12-09 11:14:46,185 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:46,191 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. [2018-12-09 11:14:46,191 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:16 [2018-12-09 11:14:47,039 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 [2018-12-09 11:14:47,045 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:47,046 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:14:47,046 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 [2018-12-09 11:14:47,047 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:14:47,054 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. [2018-12-09 11:14:47,054 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2018-12-09 11:14:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:14:47,072 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:14:47,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:14:47,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-09 11:14:47,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 11:14:47,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 11:14:47,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=81, Unknown=1, NotChecked=18, Total=132 [2018-12-09 11:14:47,075 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 12 states. [2018-12-09 11:14:57,698 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2018-12-09 11:15:01,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:15:01,924 INFO L93 Difference]: Finished difference Result 105 states and 112 transitions. [2018-12-09 11:15:01,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 11:15:01,924 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-12-09 11:15:01,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:15:01,925 INFO L225 Difference]: With dead ends: 105 [2018-12-09 11:15:01,925 INFO L226 Difference]: Without dead ends: 102 [2018-12-09 11:15:01,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=54, Invalid=159, Unknown=1, NotChecked=26, Total=240 [2018-12-09 11:15:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-09 11:15:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 89. [2018-12-09 11:15:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-12-09 11:15:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2018-12-09 11:15:01,928 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 28 [2018-12-09 11:15:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:15:01,928 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2018-12-09 11:15:01,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 11:15:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2018-12-09 11:15:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 11:15:01,928 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:15:01,928 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] [2018-12-09 11:15:01,929 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]=== [2018-12-09 11:15:01,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:15:01,929 INFO L82 PathProgramCache]: Analyzing trace with hash 851692357, now seen corresponding path program 1 times [2018-12-09 11:15:01,929 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:15:01,929 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:15:01,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:15:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:15:01,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:15:01,995 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 [2018-12-09 11:15:01,998 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,004 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 [2018-12-09 11:15:02,007 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,009 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,015 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 [2018-12-09 11:15:02,015 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-09 11:15:02,036 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 [2018-12-09 11:15:02,037 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:02,051 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:15:02,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:15:02,085 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 [2018-12-09 11:15:02,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,095 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 [2018-12-09 11:15:02,096 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-12-09 11:15:02,106 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-09 11:15:02,135 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. [2018-12-09 11:15:02,135 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:25, output treesize:143 [2018-12-09 11:15:02,200 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 [2018-12-09 11:15:02,201 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:02,241 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,242 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,243 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 [2018-12-09 11:15:02,243 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:02,266 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,267 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:02,267 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 [2018-12-09 11:15:02,267 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:02,298 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 [2018-12-09 11:15:02,298 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:02,306 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:15:02,306 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:69, output treesize:10 [2018-12-09 11:15:03,997 WARN L180 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-09 11:15:04,002 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 [2018-12-09 11:15:04,003 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:04,009 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 [2018-12-09 11:15:04,009 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:04,014 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 11:15:04,014 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:15, output treesize:3 [2018-12-09 11:15:04,598 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,599 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,602 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,613 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 [2018-12-09 11:15:04,614 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-12-09 11:15:04,738 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,739 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,739 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 [2018-12-09 11:15:04,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:04,743 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,744 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,745 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 [2018-12-09 11:15:04,745 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:04,861 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,864 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 [2018-12-09 11:15:04,864 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:04,957 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:04,960 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 [2018-12-09 11:15:04,960 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:05,023 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:05,024 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:05,024 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 [2018-12-09 11:15:05,024 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:05,089 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:05,090 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:05,092 INFO L701 Elim1Store]: detected not equals via solver [2018-12-09 11:15:05,093 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 [2018-12-09 11:15:05,093 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-09 11:15:05,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-09 11:15:05,148 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 12 variables, input treesize:91, output treesize:40 [2018-12-09 11:15:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:15:06,627 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:15:06,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:15:06,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:15:06,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:15:06,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:15:06,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=0, Total=42 [2018-12-09 11:15:06,630 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand 7 states. [2018-12-09 11:15:14,263 WARN L180 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 11:15:22,566 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 20 [2018-12-09 11:15:46,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:15:46,791 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2018-12-09 11:15:46,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:15:46,792 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-09 11:15:46,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:15:46,793 INFO L225 Difference]: With dead ends: 106 [2018-12-09 11:15:46,793 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 11:15:46,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=40, Invalid=61, Unknown=9, NotChecked=0, Total=110 [2018-12-09 11:15:46,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 11:15:46,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 75. [2018-12-09 11:15:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-12-09 11:15:46,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2018-12-09 11:15:46,796 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 28 [2018-12-09 11:15:46,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:15:46,796 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2018-12-09 11:15:46,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:15:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2018-12-09 11:15:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:15:46,797 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:15:46,797 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] [2018-12-09 11:15:46,797 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]=== [2018-12-09 11:15:46,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:15:46,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1862391807, now seen corresponding path program 1 times [2018-12-09 11:15:46,797 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:15:46,797 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:15:46,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:15:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:15:46,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:15:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:15:46,865 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 11:15:46,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:15:46,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:15:46,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:15:46,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:15:46,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:15:46,868 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand 6 states. [2018-12-09 11:15:46,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:15:46,885 INFO L93 Difference]: Finished difference Result 86 states and 89 transitions. [2018-12-09 11:15:46,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:15:46,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-12-09 11:15:46,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:15:46,886 INFO L225 Difference]: With dead ends: 86 [2018-12-09 11:15:46,887 INFO L226 Difference]: Without dead ends: 80 [2018-12-09 11:15:46,887 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 [2018-12-09 11:15:46,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-09 11:15:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2018-12-09 11:15:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-12-09 11:15:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 79 transitions. [2018-12-09 11:15:46,889 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 79 transitions. Word has length 30 [2018-12-09 11:15:46,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:15:46,889 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 79 transitions. [2018-12-09 11:15:46,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:15:46,890 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2018-12-09 11:15:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:15:46,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:15:46,890 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] [2018-12-09 11:15:46,891 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]=== [2018-12-09 11:15:46,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:15:46,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1190237287, now seen corresponding path program 1 times [2018-12-09 11:15:46,891 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 11:15:46,891 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4c5c04f-7aab-491f-ab1f-8a30b26ab20b/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 [2018-12-09 11:15:46,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:15:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:15:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 11:15:47,036 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 11:15:47,044 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 11:15:47,047 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# [2018-12-09 11:15:47,048 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# [2018-12-09 11:15:47,048 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-09 11:15:47,048 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~A?p~*VOID# [2018-12-09 11:15:47,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:15:47 BoogieIcfgContainer [2018-12-09 11:15:47,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:15:47,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:15:47,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:15:47,055 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:15:47,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:14:31" (3/4) ... [2018-12-09 11:15:47,057 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 11:15:47,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:15:47,058 INFO L168 Benchmark]: Toolchain (without parser) took 76299.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -81.0 MB). Peak memory consumption was 237.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:15:47,058 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-09 11:15:47,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:15:47,059 INFO L168 Benchmark]: Boogie Preprocessor took 46.72 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. [2018-12-09 11:15:47,059 INFO L168 Benchmark]: RCFGBuilder took 757.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.4 MB). Peak memory consumption was 111.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:15:47,059 INFO L168 Benchmark]: TraceAbstraction took 75127.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -10.7 MB). Peak memory consumption was 154.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:15:47,059 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:15:47,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 362.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.72 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 757.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.4 MB). Peak memory consumption was 111.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75127.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -10.7 MB). Peak memory consumption was 154.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.96 ms. Allocated memory is still 1.3 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, 75.0s OverallTime, 13 OverallIterations, 1 TraceHistogramMax, 65.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 756 SDtfs, 756 SDslu, 1648 SDs, 0 SdLazy, 1001 SolverSat, 241 SolverUnsat, 25 SolverUnknown, 0 SolverNotchecked, 39.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 211 SyntacticMatches, 15 SemanticMatches, 79 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 32.6s 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, 8.2s 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...