./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_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_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/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 ba5476636e8902440a35b69190524704fd5af5c4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/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 ba5476636e8902440a35b69190524704fd5af5c4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:59:32,475 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:59:32,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:59:32,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:59:32,485 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:59:32,486 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:59:32,487 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:59:32,488 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:59:32,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:59:32,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:59:32,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:59:32,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:59:32,491 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:59:32,492 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:59:32,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:59:32,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:59:32,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:59:32,495 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:59:32,497 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:59:32,498 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:59:32,499 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:59:32,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:59:32,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:59:32,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:59:32,502 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:59:32,502 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:59:32,503 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:59:32,504 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:59:32,504 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:59:32,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:59:32,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:59:32,506 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:59:32,506 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:59:32,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:59:32,507 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:59:32,507 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:59:32,507 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-02 20:59:32,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:59:32,518 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:59:32,518 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:59:32,519 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:59:32,519 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:59:32,519 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:59:32,519 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:59:32,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:59:32,519 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 20:59:32,520 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:59:32,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:59:32,521 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:59:32,521 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:59:32,521 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:59:32,521 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:59:32,521 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:59:32,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:59:32,521 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:59:32,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:59:32,522 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:59:32,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:59:32,522 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_64f8adc5-5932-42b1-9b06-5ec67244dfb2/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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2018-12-02 20:59:32,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:59:32,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:59:32,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:59:32,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:59:32,557 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:59:32,558 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-02 20:59:32,601 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/2f6c23b78/caba9f25ff73448d84fd5890fee4f4f6/FLAG0f3bb87c5 [2018-12-02 20:59:33,087 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:59:33,088 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-02 20:59:33,095 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/2f6c23b78/caba9f25ff73448d84fd5890fee4f4f6/FLAG0f3bb87c5 [2018-12-02 20:59:33,577 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/2f6c23b78/caba9f25ff73448d84fd5890fee4f4f6 [2018-12-02 20:59:33,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:59:33,580 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 20:59:33,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:59:33,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:59:33,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:59:33,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417514c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33, skipping insertion in model container [2018-12-02 20:59:33,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:59:33,616 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:59:33,841 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:59:33,852 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:59:33,882 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:59:33,913 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:59:33,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33 WrapperNode [2018-12-02 20:59:33,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:59:33,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:59:33,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:59:33,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:59:33,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... [2018-12-02 20:59:33,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:59:33,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:59:33,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:59:33,958 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:59:33,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:59:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:59:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 20:59:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 20:59:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 20:59:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 20:59:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 20:59:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 20:59:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 20:59:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 20:59:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 20:59:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 20:59:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 20:59:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 20:59:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 20:59:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 20:59:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 20:59:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-02 20:59:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 20:59:34,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 20:59:34,213 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:59:34,322 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:59:34,429 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:59:34,429 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 20:59:34,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:34 BoogieIcfgContainer [2018-12-02 20:59:34,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:59:34,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:59:34,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:59:34,432 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:59:34,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:59:33" (1/3) ... [2018-12-02 20:59:34,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4257ebf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:34, skipping insertion in model container [2018-12-02 20:59:34,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33" (2/3) ... [2018-12-02 20:59:34,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4257ebf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:34, skipping insertion in model container [2018-12-02 20:59:34,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:34" (3/3) ... [2018-12-02 20:59:34,434 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-02 20:59:34,440 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:59:34,446 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-02 20:59:34,454 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-02 20:59:34,469 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:59:34,469 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:59:34,470 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 20:59:34,470 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:59:34,470 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:59:34,470 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:59:34,470 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:59:34,470 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:59:34,470 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:59:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-12-02 20:59:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:59:34,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:34,487 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:34,489 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:34,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:34,492 INFO L82 PathProgramCache]: Analyzing trace with hash -2085790596, now seen corresponding path program 1 times [2018-12-02 20:59:34,493 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:34,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:34,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:34,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:34,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:34,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:34,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:59:34,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 20:59:34,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 20:59:34,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:59:34,692 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 7 states. [2018-12-02 20:59:34,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:34,863 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-12-02 20:59:34,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 20:59:34,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-12-02 20:59:34,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:34,871 INFO L225 Difference]: With dead ends: 67 [2018-12-02 20:59:34,871 INFO L226 Difference]: Without dead ends: 61 [2018-12-02 20:59:34,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-12-02 20:59:34,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-02 20:59:34,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-02 20:59:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 20:59:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-12-02 20:59:34,899 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2018-12-02 20:59:34,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:34,899 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-12-02 20:59:34,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 20:59:34,899 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-12-02 20:59:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:59:34,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:34,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:34,900 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:34,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:34,900 INFO L82 PathProgramCache]: Analyzing trace with hash -2085790595, now seen corresponding path program 1 times [2018-12-02 20:59:34,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:34,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:34,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:34,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:34,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:34,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:34,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:59:34,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:59:34,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:59:34,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 20:59:34,994 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 8 states. [2018-12-02 20:59:35,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:35,179 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-12-02 20:59:35,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 20:59:35,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-12-02 20:59:35,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:35,181 INFO L225 Difference]: With dead ends: 60 [2018-12-02 20:59:35,181 INFO L226 Difference]: Without dead ends: 60 [2018-12-02 20:59:35,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-12-02 20:59:35,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-02 20:59:35,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-02 20:59:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 20:59:35,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-02 20:59:35,185 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2018-12-02 20:59:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:35,185 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-02 20:59:35,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:59:35,185 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-02 20:59:35,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:59:35,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:35,186 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:35,186 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:35,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:35,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1232706982, now seen corresponding path program 1 times [2018-12-02 20:59:35,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:35,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:35,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:35,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:35,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:35,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:35,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:59:35,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:59:35,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:59:35,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:59:35,231 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-12-02 20:59:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:35,240 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-02 20:59:35,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:59:35,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-12-02 20:59:35,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:35,241 INFO L225 Difference]: With dead ends: 60 [2018-12-02 20:59:35,241 INFO L226 Difference]: Without dead ends: 60 [2018-12-02 20:59:35,241 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:59:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-02 20:59:35,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-02 20:59:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 20:59:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-12-02 20:59:35,245 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2018-12-02 20:59:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:35,246 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-12-02 20:59:35,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:59:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-12-02 20:59:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:59:35,246 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:35,246 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:35,247 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:35,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:35,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1799519223, now seen corresponding path program 1 times [2018-12-02 20:59:35,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:35,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:35,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:35,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:35,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:35,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:35,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:59:35,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:59:35,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:59:35,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 20:59:35,326 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 8 states. [2018-12-02 20:59:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:35,435 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-12-02 20:59:35,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 20:59:35,435 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-12-02 20:59:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:35,436 INFO L225 Difference]: With dead ends: 71 [2018-12-02 20:59:35,436 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 20:59:35,436 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-12-02 20:59:35,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 20:59:35,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-12-02 20:59:35,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 20:59:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-12-02 20:59:35,440 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2018-12-02 20:59:35,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:35,440 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-12-02 20:59:35,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:59:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-12-02 20:59:35,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 20:59:35,440 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:35,440 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:35,441 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:35,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:35,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1799519224, now seen corresponding path program 1 times [2018-12-02 20:59:35,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:35,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:35,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:35,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:35,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:35,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:35,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:35,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 20:59:35,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 20:59:35,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 20:59:35,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-12-02 20:59:35,609 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2018-12-02 20:59:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:35,988 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-12-02 20:59:35,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 20:59:35,988 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-12-02 20:59:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:35,989 INFO L225 Difference]: With dead ends: 68 [2018-12-02 20:59:35,989 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 20:59:35,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 20:59:35,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 20:59:35,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2018-12-02 20:59:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-02 20:59:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-12-02 20:59:35,994 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2018-12-02 20:59:35,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:35,994 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-12-02 20:59:35,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 20:59:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-12-02 20:59:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:59:35,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:35,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:35,996 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:35,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:35,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1036193477, now seen corresponding path program 1 times [2018-12-02 20:59:35,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:35,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:35,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:35,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:35,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:36,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:36,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:59:36,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:59:36,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:59:36,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:59:36,036 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 6 states. [2018-12-02 20:59:36,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:36,120 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2018-12-02 20:59:36,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 20:59:36,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-02 20:59:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:36,121 INFO L225 Difference]: With dead ends: 62 [2018-12-02 20:59:36,121 INFO L226 Difference]: Without dead ends: 62 [2018-12-02 20:59:36,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:59:36,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-02 20:59:36,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-12-02 20:59:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 20:59:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-02 20:59:36,124 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2018-12-02 20:59:36,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:36,124 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-02 20:59:36,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:59:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-02 20:59:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 20:59:36,125 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:36,125 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:36,125 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:36,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:36,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1036193478, now seen corresponding path program 1 times [2018-12-02 20:59:36,125 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:36,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:36,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:36,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:36,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:36,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:59:36,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:59:36,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:59:36,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:59:36,161 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2018-12-02 20:59:36,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:36,292 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-12-02 20:59:36,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 20:59:36,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-12-02 20:59:36,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:36,293 INFO L225 Difference]: With dead ends: 86 [2018-12-02 20:59:36,293 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 20:59:36,293 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:59:36,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 20:59:36,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-12-02 20:59:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 20:59:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-12-02 20:59:36,296 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2018-12-02 20:59:36,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:36,296 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-12-02 20:59:36,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:59:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-12-02 20:59:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 20:59:36,297 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:36,297 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] [2018-12-02 20:59:36,297 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:36,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:36,297 INFO L82 PathProgramCache]: Analyzing trace with hash -49478890, now seen corresponding path program 1 times [2018-12-02 20:59:36,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:36,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:36,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:36,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:36,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:36,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:36,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 20:59:36,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 20:59:36,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 20:59:36,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:59:36,349 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2018-12-02 20:59:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:36,445 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2018-12-02 20:59:36,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 20:59:36,445 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-12-02 20:59:36,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:36,446 INFO L225 Difference]: With dead ends: 64 [2018-12-02 20:59:36,446 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 20:59:36,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-02 20:59:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 20:59:36,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2018-12-02 20:59:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 20:59:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-02 20:59:36,449 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2018-12-02 20:59:36,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:36,449 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-02 20:59:36,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 20:59:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-02 20:59:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 20:59:36,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:36,450 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, 1] [2018-12-02 20:59:36,450 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:36,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:36,450 INFO L82 PathProgramCache]: Analyzing trace with hash -49478889, now seen corresponding path program 1 times [2018-12-02 20:59:36,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:36,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:36,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:36,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:36,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:36,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 20:59:36,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 20:59:36,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 20:59:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:59:36,539 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2018-12-02 20:59:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:36,659 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2018-12-02 20:59:36,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 20:59:36,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-12-02 20:59:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:36,660 INFO L225 Difference]: With dead ends: 62 [2018-12-02 20:59:36,660 INFO L226 Difference]: Without dead ends: 62 [2018-12-02 20:59:36,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-12-02 20:59:36,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-02 20:59:36,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-12-02 20:59:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 20:59:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-12-02 20:59:36,662 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2018-12-02 20:59:36,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:36,662 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-12-02 20:59:36,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 20:59:36,663 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-12-02 20:59:36,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 20:59:36,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:36,663 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] [2018-12-02 20:59:36,663 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:36,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:36,663 INFO L82 PathProgramCache]: Analyzing trace with hash 79603829, now seen corresponding path program 1 times [2018-12-02 20:59:36,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:36,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:36,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:36,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:36,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:36,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:59:36,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:59:36,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:59:36,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:59:36,690 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2018-12-02 20:59:36,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:36,694 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2018-12-02 20:59:36,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:59:36,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-02 20:59:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:36,695 INFO L225 Difference]: With dead ends: 48 [2018-12-02 20:59:36,695 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 20:59:36,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:59:36,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 20:59:36,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 20:59:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 20:59:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2018-12-02 20:59:36,697 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2018-12-02 20:59:36,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:36,697 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2018-12-02 20:59:36,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:59:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2018-12-02 20:59:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:59:36,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:36,697 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:36,697 INFO L423 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:36,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:36,698 INFO L82 PathProgramCache]: Analyzing trace with hash -304571495, now seen corresponding path program 1 times [2018-12-02 20:59:36,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:36,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:36,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:36,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:36,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:36,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 20:59:36,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:59:36,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:59:36,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:59:36,716 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 5 states. [2018-12-02 20:59:36,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:36,744 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-12-02 20:59:36,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:59:36,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-02 20:59:36,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:36,745 INFO L225 Difference]: With dead ends: 43 [2018-12-02 20:59:36,745 INFO L226 Difference]: Without dead ends: 43 [2018-12-02 20:59:36,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:59:36,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-02 20:59:36,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-02 20:59:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 20:59:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-12-02 20:59:36,748 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2018-12-02 20:59:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:36,748 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-12-02 20:59:36,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:59:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-12-02 20:59:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 20:59:36,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:36,749 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:36,749 INFO L423 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:36,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:36,749 INFO L82 PathProgramCache]: Analyzing trace with hash -304571494, now seen corresponding path program 1 times [2018-12-02 20:59:36,749 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:36,749 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:36,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:36,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:36,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:36,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 20:59:36,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 20:59:36,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 20:59:36,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:59:36,853 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 10 states. [2018-12-02 20:59:36,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:36,986 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-02 20:59:36,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 20:59:36,986 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-12-02 20:59:36,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:36,987 INFO L225 Difference]: With dead ends: 42 [2018-12-02 20:59:36,987 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 20:59:36,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-02 20:59:36,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 20:59:36,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 20:59:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 20:59:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-02 20:59:36,989 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2018-12-02 20:59:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:36,989 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-02 20:59:36,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 20:59:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-02 20:59:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 20:59:36,990 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:36,990 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] [2018-12-02 20:59:36,991 INFO L423 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:36,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:36,991 INFO L82 PathProgramCache]: Analyzing trace with hash 148650245, now seen corresponding path program 1 times [2018-12-02 20:59:36,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:36,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:36,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:36,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:36,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:37,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:37,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:37,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 20:59:37,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 20:59:37,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 20:59:37,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-12-02 20:59:37,097 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2018-12-02 20:59:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:37,314 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2018-12-02 20:59:37,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 20:59:37,314 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-12-02 20:59:37,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:37,315 INFO L225 Difference]: With dead ends: 41 [2018-12-02 20:59:37,315 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 20:59:37,315 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2018-12-02 20:59:37,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 20:59:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-02 20:59:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-02 20:59:37,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2018-12-02 20:59:37,317 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 33 [2018-12-02 20:59:37,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:37,317 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2018-12-02 20:59:37,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 20:59:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2018-12-02 20:59:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 20:59:37,318 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:37,318 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] [2018-12-02 20:59:37,318 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:37,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:37,319 INFO L82 PathProgramCache]: Analyzing trace with hash 313190306, now seen corresponding path program 1 times [2018-12-02 20:59:37,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:37,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:37,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:37,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:37,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:37,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:37,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-12-02 20:59:37,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 20:59:37,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 20:59:37,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-02 20:59:37,435 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 15 states. [2018-12-02 20:59:37,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:37,680 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-12-02 20:59:37,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 20:59:37,680 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 34 [2018-12-02 20:59:37,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:37,680 INFO L225 Difference]: With dead ends: 40 [2018-12-02 20:59:37,680 INFO L226 Difference]: Without dead ends: 40 [2018-12-02 20:59:37,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2018-12-02 20:59:37,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-02 20:59:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-02 20:59:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-02 20:59:37,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-12-02 20:59:37,682 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 34 [2018-12-02 20:59:37,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:37,682 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-12-02 20:59:37,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 20:59:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-12-02 20:59:37,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 20:59:37,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:37,683 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:37,683 INFO L423 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:37,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:37,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1286428165, now seen corresponding path program 1 times [2018-12-02 20:59:37,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:59:37,684 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:59:37,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:37,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:37,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:59:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:59:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:59:37,718 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 20:59:37,727 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 20:59:37,730 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 20:59:37,730 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 20:59:37,730 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 17 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 20:59:37,730 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 19 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 20:59:37,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:59:37 BoogieIcfgContainer [2018-12-02 20:59:37,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 20:59:37,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:59:37,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:59:37,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:59:37,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:34" (3/4) ... [2018-12-02 20:59:37,741 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 20:59:37,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:59:37,741 INFO L168 Benchmark]: Toolchain (without parser) took 4161.82 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.1 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -207.5 MB). Peak memory consumption was 118.6 MB. Max. memory is 11.5 GB. [2018-12-02 20:59:37,742 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:59:37,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:59:37,743 INFO L168 Benchmark]: Boogie Preprocessor took 43.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-02 20:59:37,743 INFO L168 Benchmark]: RCFGBuilder took 471.72 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: 95.9 MB). Peak memory consumption was 95.9 MB. Max. memory is 11.5 GB. [2018-12-02 20:59:37,743 INFO L168 Benchmark]: TraceAbstraction took 3307.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:59:37,743 INFO L168 Benchmark]: Witness Printer took 3.32 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:59:37,745 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 471.72 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: 95.9 MB). Peak memory consumption was 95.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3307.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.32 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 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: IntegerLiteral 14 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 13 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 17 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 19 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: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1455] CALL entry_point() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1449] CALL alloc_13() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={25:0}, global_list_13={18:0}, ldv_global_msg_list={22:0}, malloc(size)={25:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, ldv_malloc(sizeof(struct A13))={25:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, p={25:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={18:0}, head={18:0}, ldv_global_msg_list={22:0}, new={25:4}] [L1121] EXPR head->next VAL [global_list_13={18:0}, head={18:0}, head={18:0}, head->next={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, next={18:0}, prev={18:0}] [L1107] next->prev = new VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1108] new->next = next VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1109] new->prev = prev VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1110] prev->next = new VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}, next={18:0}, next={18:0}, prev={18:0}, prev={18:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={18:0}, head={18:0}, head={18:0}, head->next={18:0}, ldv_global_msg_list={22:0}, new={25:4}, new={25:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, p={25:0}] [L1449] RET alloc_13() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}] [L1099] list->next = list VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}, list={18:0}] [L1100] list->prev = list VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}, list={18:0}, list={18:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] [L1455] RET entry_point() VAL [global_list_13={18:0}, ldv_global_msg_list={22:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 313 locations, 67 error locations. UNSAFE Result, 3.2s OverallTime, 15 OverallIterations, 1 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 492 SDtfs, 603 SDslu, 1494 SDs, 0 SdLazy, 1855 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 14 MinimizatonAttempts, 20 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 47915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:59:39,049 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:59:39,050 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:59:39,056 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:59:39,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:59:39,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:59:39,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:59:39,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:59:39,060 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:59:39,061 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:59:39,061 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:59:39,062 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:59:39,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:59:39,063 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:59:39,064 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:59:39,064 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:59:39,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:59:39,065 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:59:39,067 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:59:39,068 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:59:39,069 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:59:39,069 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:59:39,071 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:59:39,071 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:59:39,071 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:59:39,072 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:59:39,073 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:59:39,073 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:59:39,074 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:59:39,074 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:59:39,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:59:39,075 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:59:39,075 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:59:39,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:59:39,076 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:59:39,077 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:59:39,077 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-02 20:59:39,087 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:59:39,087 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:59:39,087 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:59:39,088 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:59:39,088 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:59:39,088 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:59:39,089 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:59:39,089 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:59:39,089 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:59:39,089 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 20:59:39,089 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:59:39,089 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 20:59:39,090 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:59:39,091 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:59:39,091 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:59:39,091 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:59:39,091 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:59:39,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:59:39,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:59:39,092 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:59:39,092 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:59:39,092 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 20:59:39,092 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:59:39,092 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 20:59:39,092 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_64f8adc5-5932-42b1-9b06-5ec67244dfb2/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 -> ba5476636e8902440a35b69190524704fd5af5c4 [2018-12-02 20:59:39,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:59:39,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:59:39,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:59:39,127 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:59:39,127 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:59:39,128 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-02 20:59:39,166 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/ce13600d3/cbe655890e874c6e9a233280fcbaa609/FLAG2dde6acc9 [2018-12-02 20:59:39,649 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:59:39,649 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/sv-benchmarks/c/ldv-memsafety/memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-02 20:59:39,657 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/ce13600d3/cbe655890e874c6e9a233280fcbaa609/FLAG2dde6acc9 [2018-12-02 20:59:39,666 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/data/ce13600d3/cbe655890e874c6e9a233280fcbaa609 [2018-12-02 20:59:39,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:59:39,668 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-02 20:59:39,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:59:39,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:59:39,671 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:59:39,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:39" (1/1) ... [2018-12-02 20:59:39,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d255691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:39, skipping insertion in model container [2018-12-02 20:59:39,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:39" (1/1) ... [2018-12-02 20:59:39,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:59:39,701 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:59:39,890 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:59:39,903 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:59:39,978 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:59:40,017 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:59:40,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40 WrapperNode [2018-12-02 20:59:40,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:59:40,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:59:40,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:59:40,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:59:40,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... [2018-12-02 20:59:40,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... [2018-12-02 20:59:40,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... [2018-12-02 20:59:40,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... [2018-12-02 20:59:40,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... [2018-12-02 20:59:40,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... [2018-12-02 20:59:40,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... [2018-12-02 20:59:40,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:59:40,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:59:40,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:59:40,066 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:59:40,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 20:59:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-02 20:59:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-02 20:59:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_13 [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-02 20:59:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-02 20:59:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-02 20:59:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-02 20:59:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-02 20:59:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-02 20:59:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-02 20:59:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-02 20:59:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-02 20:59:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-02 20:59:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-02 20:59:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-02 20:59:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-02 20:59:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-02 20:59:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-02 20:59:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-02 20:59:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_13 [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-02 20:59:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-02 20:59:40,387 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:59:40,616 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 20:59:40,820 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:59:40,820 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 20:59:40,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:40 BoogieIcfgContainer [2018-12-02 20:59:40,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:59:40,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:59:40,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:59:40,823 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:59:40,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:59:39" (1/3) ... [2018-12-02 20:59:40,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b402e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:40, skipping insertion in model container [2018-12-02 20:59:40,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:40" (2/3) ... [2018-12-02 20:59:40,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b402e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:40, skipping insertion in model container [2018-12-02 20:59:40,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:40" (3/3) ... [2018-12-02 20:59:40,826 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test13_1_false-valid-memtrack_true-termination.i [2018-12-02 20:59:40,832 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:59:40,837 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2018-12-02 20:59:40,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2018-12-02 20:59:40,861 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:59:40,861 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:59:40,861 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 20:59:40,861 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:59:40,861 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:59:40,861 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:59:40,862 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:59:40,862 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:59:40,862 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:59:40,871 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-12-02 20:59:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:59:40,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:40,877 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:40,879 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:40,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:40,882 INFO L82 PathProgramCache]: Analyzing trace with hash -804386628, now seen corresponding path program 1 times [2018-12-02 20:59:40,885 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:59:40,885 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:59:40,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:40,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:59:41,008 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:59:41,017 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:41,028 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 20:59:41,033 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:41,041 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:41,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 20:59:41,049 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 20:59:41,099 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 20:59:41,099 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:41,128 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:59:41,153 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:59:41,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-12-02 20:59:41,188 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2018-12-02 20:59:41,237 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2018-12-02 20:59:41,240 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 7 treesize of output 1 [2018-12-02 20:59:41,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:41,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:59:41,243 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:59:41,243 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-12-02 20:59:41,262 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 7 treesize of output 1 [2018-12-02 20:59:41,262 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:41,264 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:59:41,264 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-12-02 20:59:41,659 WARN L854 $PredicateComparison]: unable to prove that (exists ((|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (= (store |c_old(#valid)| |ldv_malloc_#t~malloc12.base| (_ bv1 1)) |c_#valid|)) is different from true [2018-12-02 20:59:41,666 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-12-02 20:59:41,666 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:41,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 20:59:41,670 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-12-02 20:59:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:41,691 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:59:41,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:41,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:59:41,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:59:41,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:59:41,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=31, Unknown=1, NotChecked=10, Total=56 [2018-12-02 20:59:41,708 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 8 states. [2018-12-02 20:59:43,644 WARN L180 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-12-02 20:59:49,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:59:49,494 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions. [2018-12-02 20:59:49,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 20:59:49,495 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-12-02 20:59:49,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:59:49,501 INFO L225 Difference]: With dead ends: 92 [2018-12-02 20:59:49,502 INFO L226 Difference]: Without dead ends: 80 [2018-12-02 20:59:49,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=54, Invalid=101, Unknown=5, NotChecked=22, Total=182 [2018-12-02 20:59:49,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-02 20:59:49,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 61. [2018-12-02 20:59:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 20:59:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2018-12-02 20:59:49,527 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 17 [2018-12-02 20:59:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:59:49,527 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2018-12-02 20:59:49,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:59:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2018-12-02 20:59:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:59:49,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:59:49,528 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:59:49,529 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 20:59:49,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:59:49,529 INFO L82 PathProgramCache]: Analyzing trace with hash -804386627, now seen corresponding path program 1 times [2018-12-02 20:59:49,529 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 20:59:49,529 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 20:59:49,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:59:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:59:49,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:59:49,606 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 20:59:49,611 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:49,618 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 20:59:49,622 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:49,627 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:49,634 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 20:59:49,634 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 20:59:49,674 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 20:59:49,675 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:49,706 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:59:49,736 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 20:59:49,783 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 20:59:49,787 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 12 treesize of output 11 [2018-12-02 20:59:49,788 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:49,793 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:59:49,819 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 3 xjuncts. [2018-12-02 20:59:49,819 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:34, output treesize:110 [2018-12-02 20:59:49,898 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 30 treesize of output 28 [2018-12-02 20:59:49,900 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 7 treesize of output 1 [2018-12-02 20:59:49,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:49,906 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:59:49,930 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 30 treesize of output 28 [2018-12-02 20:59:49,932 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 7 treesize of output 1 [2018-12-02 20:59:49,932 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:49,938 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:59:49,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-12-02 20:59:49,956 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:61, output treesize:43 [2018-12-02 20:59:50,001 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:50,011 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:50,012 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 19 [2018-12-02 20:59:50,013 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:50,038 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 14 [2018-12-02 20:59:50,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:50,056 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 22 treesize of output 15 [2018-12-02 20:59:50,056 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:50,071 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2018-12-02 20:59:50,072 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:50,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 20:59:50,080 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:55, output treesize:10 [2018-12-02 20:59:55,879 WARN L180 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 16 [2018-12-02 20:59:55,886 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:55,887 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:55,891 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:55,891 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 32 treesize of output 23 [2018-12-02 20:59:55,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:55,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2018-12-02 20:59:55,942 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:55,986 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:55,988 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 20:59:55,988 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-12-02 20:59:55,988 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 20:59:56,056 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2018-12-02 20:59:56,056 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-02 20:59:56,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 20:59:56,095 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:65, output treesize:28 [2018-12-02 20:59:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:59:58,053 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 20:59:58,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:59:58,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 20:59:58,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 20:59:58,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 20:59:58,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=50, Unknown=4, NotChecked=0, Total=72 [2018-12-02 20:59:58,057 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 9 states. [2018-12-02 21:00:11,590 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-02 21:01:12,826 WARN L180 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-02 21:01:16,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:01:16,103 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-12-02 21:01:16,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:01:16,103 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2018-12-02 21:01:16,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:01:16,104 INFO L225 Difference]: With dead ends: 79 [2018-12-02 21:01:16,104 INFO L226 Difference]: Without dead ends: 79 [2018-12-02 21:01:16,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 33.4s TimeCoverageRelationStatistics Valid=71, Invalid=152, Unknown=17, NotChecked=0, Total=240 [2018-12-02 21:01:16,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-02 21:01:16,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2018-12-02 21:01:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 21:01:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-02 21:01:16,111 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 17 [2018-12-02 21:01:16,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:01:16,111 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-02 21:01:16,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:01:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-02 21:01:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 21:01:16,112 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:01:16,112 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:01:16,112 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:01:16,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:01:16,112 INFO L82 PathProgramCache]: Analyzing trace with hash 7199047, now seen corresponding path program 1 times [2018-12-02 21:01:16,113 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:01:16,113 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:01:16,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:01:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:01:16,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:01:16,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:01:16,157 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:01:16,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:01:16,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:01:16,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:01:16,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:01:16,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:01:16,159 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 5 states. [2018-12-02 21:01:16,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:01:16,168 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-12-02 21:01:16,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 21:01:16,168 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-12-02 21:01:16,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:01:16,169 INFO L225 Difference]: With dead ends: 60 [2018-12-02 21:01:16,169 INFO L226 Difference]: Without dead ends: 60 [2018-12-02 21:01:16,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:01:16,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-02 21:01:16,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-12-02 21:01:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 21:01:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-12-02 21:01:16,173 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 19 [2018-12-02 21:01:16,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:01:16,173 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-12-02 21:01:16,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:01:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-12-02 21:01:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 21:01:16,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:01:16,173 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:01:16,174 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:01:16,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:01:16,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1859165194, now seen corresponding path program 1 times [2018-12-02 21:01:16,174 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:01:16,174 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:01:16,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:01:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:01:16,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:01:16,259 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 treesize of output 5 [2018-12-02 21:01:16,261 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 21:01:16,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:16,262 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:16,268 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:16,268 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:20 [2018-12-02 21:01:16,310 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 22 treesize of output 16 [2018-12-02 21:01:16,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-02 21:01:16,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:16,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:16,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:16,317 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:5 [2018-12-02 21:01:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:01:16,345 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:01:16,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:01:16,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 21:01:16,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:01:16,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:01:16,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:01:16,347 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 9 states. [2018-12-02 21:01:16,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:01:16,808 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-12-02 21:01:16,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 21:01:16,809 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-02 21:01:16,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:01:16,809 INFO L225 Difference]: With dead ends: 71 [2018-12-02 21:01:16,809 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 21:01:16,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2018-12-02 21:01:16,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 21:01:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-12-02 21:01:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-02 21:01:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2018-12-02 21:01:16,813 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 20 [2018-12-02 21:01:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:01:16,813 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2018-12-02 21:01:16,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:01:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2018-12-02 21:01:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 21:01:16,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:01:16,814 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:01:16,814 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:01:16,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:01:16,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1859165193, now seen corresponding path program 1 times [2018-12-02 21:01:16,814 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:01:16,814 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:01:16,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:01:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:01:16,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:01:16,929 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 21:01:16,935 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:16,942 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 21:01:16,947 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:16,952 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:16,958 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 21:01:16,958 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-12-02 21:01:17,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 21:01:17,000 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:17,032 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 21:01:17,063 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 21:01:17,108 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 21:01:17,112 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 12 treesize of output 11 [2018-12-02 21:01:17,113 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:17,117 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:17,144 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 3 xjuncts. [2018-12-02 21:01:17,145 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:48, output treesize:152 [2018-12-02 21:01:17,264 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2018-12-02 21:01:17,264 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:17,311 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 40 treesize of output 33 [2018-12-02 21:01:17,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:17,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:17,357 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:101, output treesize:33 [2018-12-02 21:01:21,827 WARN L180 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 29 [2018-12-02 21:01:21,837 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:21,840 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 55 treesize of output 58 [2018-12-02 21:01:21,841 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:21,928 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:21,930 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:21,933 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:21,934 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 54 treesize of output 45 [2018-12-02 21:01:21,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:22,042 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:22,045 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:01:22,045 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 55 treesize of output 47 [2018-12-02 21:01:22,046 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:22,141 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 50 [2018-12-02 21:01:22,142 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-02 21:01:22,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-02 21:01:22,228 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 8 variables, input treesize:111, output treesize:74 [2018-12-02 21:01:24,338 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 11 [2018-12-02 21:01:24,341 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 11 treesize of output 3 [2018-12-02 21:01:24,342 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:24,344 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:24,362 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 22 treesize of output 16 [2018-12-02 21:01:24,365 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 3 [2018-12-02 21:01:24,365 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 21:01:24,367 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:24,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:01:24,372 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:46, output treesize:9 [2018-12-02 21:01:24,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:01:24,439 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:01:24,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:01:24,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 21:01:24,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 21:01:24,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 21:01:24,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=87, Unknown=3, NotChecked=0, Total=110 [2018-12-02 21:01:24,441 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 11 states. [2018-12-02 21:01:40,731 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 21:01:52,049 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-12-02 21:02:00,456 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2018-12-02 21:02:04,929 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2018-12-02 21:02:15,985 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-02 21:02:21,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:21,397 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2018-12-02 21:02:21,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 21:02:21,398 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-12-02 21:02:21,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:21,398 INFO L225 Difference]: With dead ends: 68 [2018-12-02 21:02:21,399 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 21:02:21,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=78, Invalid=249, Unknown=15, NotChecked=0, Total=342 [2018-12-02 21:02:21,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 21:02:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2018-12-02 21:02:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-02 21:02:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 69 transitions. [2018-12-02 21:02:21,402 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 69 transitions. Word has length 20 [2018-12-02 21:02:21,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:21,402 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 69 transitions. [2018-12-02 21:02:21,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 21:02:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2018-12-02 21:02:21,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 21:02:21,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:21,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:21,403 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:21,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:21,403 INFO L82 PathProgramCache]: Analyzing trace with hash -189314458, now seen corresponding path program 1 times [2018-12-02 21:02:21,403 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:21,403 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:21,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:21,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:21,458 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-02 21:02:21,464 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:02:21,470 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 21 [2018-12-02 21:02:21,474 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2018-12-02 21:02:21,475 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:21,493 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:02:21,497 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:02:21,503 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-12-02 21:02:21,504 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-02 21:02:21,526 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 21:02:21,546 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-12-02 21:02:21,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-12-02 21:02:21,570 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:22, output treesize:71 [2018-12-02 21:02:21,598 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2018-12-02 21:02:21,601 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 7 treesize of output 1 [2018-12-02 21:02:21,601 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:21,601 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:21,602 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:21,603 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-12-02 21:02:21,611 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 7 treesize of output 1 [2018-12-02 21:02:21,611 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:21,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:21,612 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-12-02 21:02:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:21,631 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:21,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:21,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:02:21,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:02:21,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:02:21,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:02:21,633 INFO L87 Difference]: Start difference. First operand 64 states and 69 transitions. Second operand 7 states. [2018-12-02 21:02:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,031 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2018-12-02 21:02:26,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 21:02:26,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-02 21:02:26,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,032 INFO L225 Difference]: With dead ends: 64 [2018-12-02 21:02:26,032 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 21:02:26,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-12-02 21:02:26,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 21:02:26,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2018-12-02 21:02:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-02 21:02:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2018-12-02 21:02:26,035 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 19 [2018-12-02 21:02:26,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,035 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2018-12-02 21:02:26,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:02:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-12-02 21:02:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 21:02:26,036 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,036 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:26,036 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,036 INFO L82 PathProgramCache]: Analyzing trace with hash -189314457, now seen corresponding path program 1 times [2018-12-02 21:02:26,036 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,036 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:26,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,092 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-12-02 21:02:26,095 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-12-02 21:02:26,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,100 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-02 21:02:26,110 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:22, output treesize:23 [2018-12-02 21:02:26,127 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2018-12-02 21:02:26,128 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 7 treesize of output 1 [2018-12-02 21:02:26,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,129 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,132 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:9 [2018-12-02 21:02:26,144 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 21:02:26,144 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,147 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,147 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:7 [2018-12-02 21:02:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,173 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:02:26,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:02:26,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:02:26,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:02:26,175 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 7 states. [2018-12-02 21:02:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:26,682 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-12-02 21:02:26,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 21:02:26,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-02 21:02:26,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:26,683 INFO L225 Difference]: With dead ends: 86 [2018-12-02 21:02:26,683 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 21:02:26,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:02:26,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 21:02:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-12-02 21:02:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-02 21:02:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-12-02 21:02:26,685 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 19 [2018-12-02 21:02:26,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:26,685 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-12-02 21:02:26,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:02:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-12-02 21:02:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:02:26,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:26,686 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] [2018-12-02 21:02:26,686 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:26,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:26,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1799546121, now seen corresponding path program 1 times [2018-12-02 21:02:26,686 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:26,686 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:26,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:26,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:26,759 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 21:02:26,759 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:26,760 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-02 21:02:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:26,807 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:26,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:26,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 21:02:26,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:02:26,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:02:26,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:02:26,810 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 9 states. [2018-12-02 21:02:27,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:27,169 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2018-12-02 21:02:27,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:02:27,169 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-12-02 21:02:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:27,170 INFO L225 Difference]: With dead ends: 64 [2018-12-02 21:02:27,170 INFO L226 Difference]: Without dead ends: 64 [2018-12-02 21:02:27,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:02:27,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-02 21:02:27,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2018-12-02 21:02:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 21:02:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2018-12-02 21:02:27,173 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 21 [2018-12-02 21:02:27,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:27,173 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2018-12-02 21:02:27,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:02:27,174 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2018-12-02 21:02:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:02:27,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:27,174 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] [2018-12-02 21:02:27,174 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:27,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:27,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1799546120, now seen corresponding path program 1 times [2018-12-02 21:02:27,174 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:27,174 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:27,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:27,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:27,267 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-12-02 21:02:27,267 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:27,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:27,271 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-02 21:02:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:27,348 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:27,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:27,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 21:02:27,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 21:02:27,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 21:02:27,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:02:27,351 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand 10 states. [2018-12-02 21:02:27,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:27,778 INFO L93 Difference]: Finished difference Result 62 states and 61 transitions. [2018-12-02 21:02:27,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:02:27,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-12-02 21:02:27,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:27,779 INFO L225 Difference]: With dead ends: 62 [2018-12-02 21:02:27,779 INFO L226 Difference]: Without dead ends: 62 [2018-12-02 21:02:27,779 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:02:27,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-02 21:02:27,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-12-02 21:02:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-02 21:02:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2018-12-02 21:02:27,782 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 21 [2018-12-02 21:02:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:27,782 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2018-12-02 21:02:27,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 21:02:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2018-12-02 21:02:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 21:02:27,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:27,782 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] [2018-12-02 21:02:27,782 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:27,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:27,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1670463402, now seen corresponding path program 1 times [2018-12-02 21:02:27,783 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:27,783 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:27,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:27,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:27,869 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:27,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:27,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:02:27,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:02:27,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:02:27,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:02:27,872 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 5 states. [2018-12-02 21:02:27,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:27,879 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2018-12-02 21:02:27,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 21:02:27,879 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-12-02 21:02:27,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:27,879 INFO L225 Difference]: With dead ends: 48 [2018-12-02 21:02:27,879 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 21:02:27,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:02:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 21:02:27,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 21:02:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 21:02:27,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2018-12-02 21:02:27,881 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 21 [2018-12-02 21:02:27,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:27,881 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2018-12-02 21:02:27,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:02:27,881 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2018-12-02 21:02:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 21:02:27,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:27,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:27,882 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:27,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:27,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1507999546, now seen corresponding path program 1 times [2018-12-02 21:02:27,882 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:27,882 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:27,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:27,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:27,973 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 [2018-12-02 21:02:27,975 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 7 treesize of output 1 [2018-12-02 21:02:27,975 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:27,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:27,976 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:27,976 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:9, output treesize:1 [2018-12-02 21:02:27,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:27,994 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:27,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:27,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:02:27,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:02:27,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:02:27,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:02:27,997 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 6 states. [2018-12-02 21:02:28,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:28,222 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-12-02 21:02:28,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:02:28,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 21:02:28,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:28,223 INFO L225 Difference]: With dead ends: 43 [2018-12-02 21:02:28,223 INFO L226 Difference]: Without dead ends: 43 [2018-12-02 21:02:28,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:02:28,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-02 21:02:28,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-02 21:02:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-02 21:02:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-12-02 21:02:28,225 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 23 [2018-12-02 21:02:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:28,225 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-12-02 21:02:28,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:02:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-12-02 21:02:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 21:02:28,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:28,226 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:28,226 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:28,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:28,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1507999547, now seen corresponding path program 1 times [2018-12-02 21:02:28,226 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:28,226 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:28,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:28,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:28,365 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 15 treesize of output 11 [2018-12-02 21:02:28,367 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-12-02 21:02:28,367 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:28,371 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:28,381 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 22 treesize of output 16 [2018-12-02 21:02:28,383 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-12-02 21:02:28,383 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:28,387 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:28,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:28,391 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:39, output treesize:10 [2018-12-02 21:02:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:28,456 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:28,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:28,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 21:02:28,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:02:28,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:02:28,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:02:28,459 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 9 states. [2018-12-02 21:02:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:28,939 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-12-02 21:02:28,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:02:28,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-02 21:02:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:28,940 INFO L225 Difference]: With dead ends: 42 [2018-12-02 21:02:28,940 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 21:02:28,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2018-12-02 21:02:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 21:02:28,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 21:02:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 21:02:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-12-02 21:02:28,942 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 23 [2018-12-02 21:02:28,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:28,942 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-12-02 21:02:28,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:02:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-12-02 21:02:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 21:02:28,942 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:28,942 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] [2018-12-02 21:02:28,942 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_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:28,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:28,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1766901670, now seen corresponding path program 1 times [2018-12-02 21:02:28,943 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:28,943 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:28,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:02:29,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:02:29,057 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 7 treesize of output 5 [2018-12-02 21:02:29,059 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-12-02 21:02:29,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,060 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,072 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 17 treesize of output 13 [2018-12-02 21:02:29,074 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:02:29,075 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-12-02 21:02:29,075 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,076 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,082 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,082 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:33, output treesize:10 [2018-12-02 21:02:29,293 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 32 treesize of output 26 [2018-12-02 21:02:29,297 INFO L701 Elim1Store]: detected not equals via solver [2018-12-02 21:02:29,298 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2018-12-02 21:02:29,298 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,315 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 19 treesize of output 15 [2018-12-02 21:02:29,317 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2018-12-02 21:02:29,317 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,319 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 21:02:29,324 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2018-12-02 21:02:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:02:29,415 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 21:02:29,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:02:29,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-12-02 21:02:29,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 21:02:29,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 21:02:29,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-02 21:02:29,417 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 14 states. [2018-12-02 21:02:30,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:02:30,742 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2018-12-02 21:02:30,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 21:02:30,743 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 33 [2018-12-02 21:02:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:02:30,743 INFO L225 Difference]: With dead ends: 40 [2018-12-02 21:02:30,743 INFO L226 Difference]: Without dead ends: 40 [2018-12-02 21:02:30,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2018-12-02 21:02:30,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-12-02 21:02:30,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-12-02 21:02:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-02 21:02:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2018-12-02 21:02:30,745 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 33 [2018-12-02 21:02:30,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:02:30,745 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2018-12-02 21:02:30,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 21:02:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2018-12-02 21:02:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 21:02:30,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:02:30,745 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:02:30,746 INFO L423 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_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_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_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_list_addErr5REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION]=== [2018-12-02 21:02:30,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:02:30,746 INFO L82 PathProgramCache]: Analyzing trace with hash 2143956903, now seen corresponding path program 1 times [2018-12-02 21:02:30,746 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 21:02:30,746 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64f8adc5-5932-42b1-9b06-5ec67244dfb2/bin-2019/uautomizer/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 21:02:30,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:02:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:02:31,145 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 21:02:31,155 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 21:02:31,159 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 21:02:31,159 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 21:02:31,159 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 21:02:31,159 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 21:02:31,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:02:31 BoogieIcfgContainer [2018-12-02 21:02:31,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:02:31,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:02:31,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:02:31,167 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:02:31,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:40" (3/4) ... [2018-12-02 21:02:31,170 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 21:02:31,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:02:31,171 INFO L168 Benchmark]: Toolchain (without parser) took 171503.18 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 230.2 MB). Free memory was 939.3 MB in the beginning and 885.2 MB in the end (delta: 54.2 MB). Peak memory consumption was 284.3 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:31,172 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. [2018-12-02 21:02:31,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:31,172 INFO L168 Benchmark]: Boogie Preprocessor took 47.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:31,172 INFO L168 Benchmark]: RCFGBuilder took 755.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.2 MB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:31,172 INFO L168 Benchmark]: TraceAbstraction took 170345.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 996.2 MB in the beginning and 885.2 MB in the end (delta: 111.0 MB). Peak memory consumption was 203.3 MB. Max. memory is 11.5 GB. [2018-12-02 21:02:31,173 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 1.3 GB. Free memory is still 885.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:02:31,174 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 348.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.67 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 755.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.2 MB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 170345.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 92.3 MB). Free memory was 996.2 MB in the beginning and 885.2 MB in the end (delta: 111.0 MB). Peak memory consumption was 203.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.60 ms. Allocated memory is still 1.3 GB. Free memory is still 885.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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~~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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1454]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1454. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] struct ldv_list_head global_list_13 = { &(global_list_13), &(global_list_13) }; VAL [\old(global_list_13)=null, \old(global_list_13)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] CALL entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1449] CALL alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1442] CALL, EXPR ldv_malloc(sizeof(struct A13)) VAL [\old(size)=12, global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=12, \result={-3:0}, global_list_13={1:0}, ldv_global_msg_list={2:0}, malloc(size)={-3:0}, size=12] [L1442] RET, EXPR ldv_malloc(sizeof(struct A13)) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, ldv_malloc(sizeof(struct A13))={-3:0}] [L1442] struct A13 *p = (struct A13 *)ldv_malloc(sizeof(struct A13)); [L1443] COND TRUE \read(*p) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={-3:0}] [L1444] CALL ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, head={1:0}, ldv_global_msg_list={2:0}, new={-3:4}] [L1121] EXPR head->next VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}] [L1121] CALL __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, next={1:0}, prev={1:0}] [L1107] next->prev = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1108] new->next = next VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1109] new->prev = prev VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1110] prev->next = new VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}, next={1:0}, next={1:0}, prev={1:0}, prev={1:0}] [L1121] RET __ldv_list_add(new, head, head->next) VAL [global_list_13={1:0}, head={1:0}, head={1:0}, head->next={1:0}, ldv_global_msg_list={2:0}, new={-3:4}, new={-3:4}] [L1444] RET ldv_list_add(&p->list, &global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, p={-3:0}] [L1449] RET alloc_13() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1451] CALL LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}] [L1099] list->next = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1100] list->prev = list VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}, list={1:0}, list={1:0}] [L1451] RET LDV_INIT_LIST_HEAD(&global_list_13) VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] [L1455] RET entry_point() VAL [global_list_13={1:0}, ldv_global_msg_list={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 312 locations, 67 error locations. UNSAFE Result, 170.3s OverallTime, 14 OverallIterations, 1 TraceHistogramMax, 151.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 493 SDtfs, 640 SDslu, 1527 SDs, 0 SdLazy, 1795 SolverSat, 279 SolverUnsat, 66 SolverUnknown, 0 SolverNotchecked, 102.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 161 SyntacticMatches, 16 SemanticMatches, 150 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 63.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 13 MinimizatonAttempts, 60 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 17.7s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 260 ConstructedInterpolants, 12 QuantifiedInterpolants, 72204 SizeOfPredicates, 133 NumberOfNonLiveVariables, 1673 ConjunctsInSsa, 267 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...