./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_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_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 769eb05e4e9ecf306aff3e68f9d0c3446a53669d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 769eb05e4e9ecf306aff3e68f9d0c3446a53669d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 09:28:04,878 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 09:28:04,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 09:28:04,886 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 09:28:04,886 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 09:28:04,887 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 09:28:04,887 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 09:28:04,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 09:28:04,890 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 09:28:04,890 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 09:28:04,891 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 09:28:04,891 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 09:28:04,892 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 09:28:04,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 09:28:04,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 09:28:04,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 09:28:04,894 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 09:28:04,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 09:28:04,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 09:28:04,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 09:28:04,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 09:28:04,899 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 09:28:04,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 09:28:04,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 09:28:04,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 09:28:04,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 09:28:04,902 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 09:28:04,903 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 09:28:04,903 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 09:28:04,904 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 09:28:04,904 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 09:28:04,905 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 09:28:04,905 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 09:28:04,905 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 09:28:04,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 09:28:04,906 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 09:28:04,906 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-01 09:28:04,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 09:28:04,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 09:28:04,917 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 09:28:04,918 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 09:28:04,918 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 09:28:04,918 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 09:28:04,918 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 09:28:04,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 09:28:04,919 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 09:28:04,920 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 09:28:04,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 09:28:04,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 09:28:04,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 09:28:04,920 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 09:28:04,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 09:28:04,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 09:28:04,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 09:28:04,920 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 09:28:04,921 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 09:28:04,921 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_637a1368-d088-47c1-9b34-2e4f10888039/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 -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2018-12-01 09:28:04,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 09:28:04,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 09:28:04,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 09:28:04,952 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 09:28:04,952 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 09:28:04,952 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-12-01 09:28:04,986 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/e1b71ceac/d086e425e184474690b7a6c01c6a1f7c/FLAGcaf0a6174 [2018-12-01 09:28:05,437 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 09:28:05,437 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-12-01 09:28:05,444 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/e1b71ceac/d086e425e184474690b7a6c01c6a1f7c/FLAGcaf0a6174 [2018-12-01 09:28:05,452 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/e1b71ceac/d086e425e184474690b7a6c01c6a1f7c [2018-12-01 09:28:05,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 09:28:05,455 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-01 09:28:05,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 09:28:05,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 09:28:05,457 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 09:28:05,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d68bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05, skipping insertion in model container [2018-12-01 09:28:05,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 09:28:05,486 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 09:28:05,706 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 09:28:05,717 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 09:28:05,759 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 09:28:05,792 INFO L195 MainTranslator]: Completed translation [2018-12-01 09:28:05,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05 WrapperNode [2018-12-01 09:28:05,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 09:28:05,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 09:28:05,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 09:28:05,793 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 09:28:05,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... [2018-12-01 09:28:05,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 09:28:05,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 09:28:05,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 09:28:05,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 09:28:05,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-01 09:28:05,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-01 09:28:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-01 09:28:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 09:28:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-01 09:28:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-01 09:28:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-01 09:28:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-01 09:28:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-01 09:28:05,889 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-01 09:28:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-01 09:28:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-01 09:28:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 09:28:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-01 09:28:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-01 09:28:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-01 09:28:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-01 09:28:06,124 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 09:28:06,229 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 09:28:06,384 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 09:28:06,384 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 09:28:06,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:28:06 BoogieIcfgContainer [2018-12-01 09:28:06,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 09:28:06,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 09:28:06,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 09:28:06,388 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 09:28:06,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 09:28:05" (1/3) ... [2018-12-01 09:28:06,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaac400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:28:06, skipping insertion in model container [2018-12-01 09:28:06,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:05" (2/3) ... [2018-12-01 09:28:06,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaac400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:28:06, skipping insertion in model container [2018-12-01 09:28:06,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:28:06" (3/3) ... [2018-12-01 09:28:06,390 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2018-12-01 09:28:06,397 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 09:28:06,402 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2018-12-01 09:28:06,413 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2018-12-01 09:28:06,431 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 09:28:06,432 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 09:28:06,432 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-01 09:28:06,432 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 09:28:06,432 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 09:28:06,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 09:28:06,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 09:28:06,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 09:28:06,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 09:28:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-01 09:28:06,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 09:28:06,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:06,455 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] [2018-12-01 09:28:06,457 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:06,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:06,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1762736243, now seen corresponding path program 1 times [2018-12-01 09:28:06,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:06,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:06,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:06,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:06,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:06,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 09:28:06,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:28:06,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:28:06,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:06,624 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 5 states. [2018-12-01 09:28:06,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:06,659 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-12-01 09:28:06,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:28:06,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-01 09:28:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:06,668 INFO L225 Difference]: With dead ends: 51 [2018-12-01 09:28:06,669 INFO L226 Difference]: Without dead ends: 48 [2018-12-01 09:28:06,670 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-01 09:28:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-01 09:28:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-01 09:28:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-12-01 09:28:06,699 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 23 [2018-12-01 09:28:06,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:06,699 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-12-01 09:28:06,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:28:06,700 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-12-01 09:28:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:06,700 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:06,700 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] [2018-12-01 09:28:06,701 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:06,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:06,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1189751734, now seen corresponding path program 1 times [2018-12-01 09:28:06,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:06,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:06,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:06,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:06,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:06,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 09:28:06,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:28:06,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:28:06,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:06,760 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 5 states. [2018-12-01 09:28:06,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:06,827 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2018-12-01 09:28:06,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:28:06,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-01 09:28:06,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:06,831 INFO L225 Difference]: With dead ends: 66 [2018-12-01 09:28:06,831 INFO L226 Difference]: Without dead ends: 66 [2018-12-01 09:28:06,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:06,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-12-01 09:28:06,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2018-12-01 09:28:06,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-01 09:28:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2018-12-01 09:28:06,842 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 24 [2018-12-01 09:28:06,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:06,843 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2018-12-01 09:28:06,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:28:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-12-01 09:28:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:06,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:06,845 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] [2018-12-01 09:28:06,846 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:06,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:06,846 INFO L82 PathProgramCache]: Analyzing trace with hash 896348727, now seen corresponding path program 1 times [2018-12-01 09:28:06,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:06,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:06,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:06,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:06,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:06,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 09:28:06,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:28:06,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:28:06,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:06,893 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 5 states. [2018-12-01 09:28:06,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:06,911 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2018-12-01 09:28:06,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:28:06,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-01 09:28:06,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:06,912 INFO L225 Difference]: With dead ends: 53 [2018-12-01 09:28:06,912 INFO L226 Difference]: Without dead ends: 53 [2018-12-01 09:28:06,912 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 [2018-12-01 09:28:06,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-01 09:28:06,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-12-01 09:28:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-01 09:28:06,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-12-01 09:28:06,915 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 24 [2018-12-01 09:28:06,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:06,915 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-12-01 09:28:06,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:28:06,915 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-12-01 09:28:06,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:06,916 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:06,916 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 09:28:06,916 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:06,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:06,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1007368456, now seen corresponding path program 1 times [2018-12-01 09:28:06,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:06,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:06,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:06,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:06,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:06,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 09:28:06,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:28:06,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:28:06,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:06,943 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 5 states. [2018-12-01 09:28:06,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:06,958 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions. [2018-12-01 09:28:06,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:28:06,959 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-01 09:28:06,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:06,960 INFO L225 Difference]: With dead ends: 53 [2018-12-01 09:28:06,960 INFO L226 Difference]: Without dead ends: 53 [2018-12-01 09:28:06,960 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 [2018-12-01 09:28:06,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-01 09:28:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-12-01 09:28:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-01 09:28:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-12-01 09:28:06,964 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 24 [2018-12-01 09:28:06,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:06,965 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-12-01 09:28:06,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:28:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-12-01 09:28:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:06,966 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:06,966 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] [2018-12-01 09:28:06,966 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:06,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:06,966 INFO L82 PathProgramCache]: Analyzing trace with hash 713965449, now seen corresponding path program 1 times [2018-12-01 09:28:06,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:06,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:06,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:06,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:07,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:07,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 09:28:07,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 09:28:07,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 09:28:07,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 09:28:07,021 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 4 states. [2018-12-01 09:28:07,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:07,074 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-12-01 09:28:07,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 09:28:07,074 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-12-01 09:28:07,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:07,075 INFO L225 Difference]: With dead ends: 60 [2018-12-01 09:28:07,075 INFO L226 Difference]: Without dead ends: 47 [2018-12-01 09:28:07,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 09:28:07,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-01 09:28:07,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-12-01 09:28:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-12-01 09:28:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-12-01 09:28:07,079 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 24 [2018-12-01 09:28:07,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:07,080 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-12-01 09:28:07,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 09:28:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-12-01 09:28:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 09:28:07,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:07,081 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] [2018-12-01 09:28:07,081 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:07,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:07,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1431155684, now seen corresponding path program 1 times [2018-12-01 09:28:07,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:07,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:07,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:07,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:07,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:07,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 09:28:07,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 09:28:07,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 09:28:07,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 09:28:07,157 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 8 states. [2018-12-01 09:28:07,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:07,254 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-12-01 09:28:07,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 09:28:07,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-12-01 09:28:07,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:07,255 INFO L225 Difference]: With dead ends: 46 [2018-12-01 09:28:07,255 INFO L226 Difference]: Without dead ends: 46 [2018-12-01 09:28:07,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-01 09:28:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-01 09:28:07,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-01 09:28:07,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-01 09:28:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2018-12-01 09:28:07,257 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2018-12-01 09:28:07,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:07,257 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2018-12-01 09:28:07,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 09:28:07,257 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-12-01 09:28:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 09:28:07,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:07,258 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] [2018-12-01 09:28:07,258 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:07,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:07,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1431155683, now seen corresponding path program 1 times [2018-12-01 09:28:07,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:07,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:07,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:07,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:07,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:07,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 09:28:07,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 09:28:07,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 09:28:07,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 09:28:07,305 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 7 states. [2018-12-01 09:28:07,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:07,412 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-12-01 09:28:07,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 09:28:07,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-01 09:28:07,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:07,413 INFO L225 Difference]: With dead ends: 51 [2018-12-01 09:28:07,413 INFO L226 Difference]: Without dead ends: 51 [2018-12-01 09:28:07,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-01 09:28:07,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-01 09:28:07,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2018-12-01 09:28:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-01 09:28:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-12-01 09:28:07,416 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 29 [2018-12-01 09:28:07,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:07,416 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-12-01 09:28:07,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 09:28:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-12-01 09:28:07,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 09:28:07,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:07,417 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] [2018-12-01 09:28:07,417 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:07,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:07,418 INFO L82 PathProgramCache]: Analyzing trace with hash -762021586, now seen corresponding path program 1 times [2018-12-01 09:28:07,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:07,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:07,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:07,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:07,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:07,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 09:28:07,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 09:28:07,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 09:28:07,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-01 09:28:07,544 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 8 states. [2018-12-01 09:28:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:07,660 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2018-12-01 09:28:07,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 09:28:07,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2018-12-01 09:28:07,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:07,661 INFO L225 Difference]: With dead ends: 54 [2018-12-01 09:28:07,661 INFO L226 Difference]: Without dead ends: 43 [2018-12-01 09:28:07,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-01 09:28:07,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-01 09:28:07,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-01 09:28:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-01 09:28:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-12-01 09:28:07,663 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 32 [2018-12-01 09:28:07,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:07,663 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-12-01 09:28:07,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 09:28:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-12-01 09:28:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 09:28:07,664 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:07,664 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] [2018-12-01 09:28:07,664 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:07,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:07,664 INFO L82 PathProgramCache]: Analyzing trace with hash -381259946, now seen corresponding path program 1 times [2018-12-01 09:28:07,664 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:07,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:07,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:07,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:07,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:07,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 09:28:07,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:28:07,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:28:07,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:07,684 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2018-12-01 09:28:07,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:07,688 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-12-01 09:28:07,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:28:07,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-12-01 09:28:07,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:07,689 INFO L225 Difference]: With dead ends: 43 [2018-12-01 09:28:07,689 INFO L226 Difference]: Without dead ends: 43 [2018-12-01 09:28:07,689 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 [2018-12-01 09:28:07,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-01 09:28:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-01 09:28:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-01 09:28:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-12-01 09:28:07,691 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2018-12-01 09:28:07,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:07,691 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-12-01 09:28:07,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:28:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-12-01 09:28:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 09:28:07,691 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:07,692 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, 1, 1, 1] [2018-12-01 09:28:07,692 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE]=== [2018-12-01 09:28:07,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:07,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1582005395, now seen corresponding path program 1 times [2018-12-01 09:28:07,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 09:28:07,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 09:28:07,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:07,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 09:28:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:28:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:28:07,718 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 09:28:07,725 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-01 09:28:07,729 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-01 09:28:07,729 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-01 09:28:07,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 09:28:07 BoogieIcfgContainer [2018-12-01 09:28:07,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 09:28:07,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 09:28:07,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 09:28:07,735 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 09:28:07,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:28:06" (3/4) ... [2018-12-01 09:28:07,738 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 09:28:07,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 09:28:07,739 INFO L168 Benchmark]: Toolchain (without parser) took 2284.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -224.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:28:07,740 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:28:07,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-01 09:28:07,740 INFO L168 Benchmark]: Boogie Preprocessor took 57.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:28:07,740 INFO L168 Benchmark]: RCFGBuilder took 533.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 975.3 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. [2018-12-01 09:28:07,740 INFO L168 Benchmark]: TraceAbstraction took 1349.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 95.4 MB). Free memory was 975.3 MB in the beginning and 1.2 GB in the end (delta: -200.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:28:07,741 INFO L168 Benchmark]: Witness Printer took 2.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:28:07,742 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 533.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 975.3 MB in the end (delta: 110.3 MB). Peak memory consumption was 110.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1349.70 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 95.4 MB). Free memory was 975.3 MB in the beginning and 1.2 GB in the end (delta: -200.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.92 ms. Allocated memory is still 1.2 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 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={15:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={15:0}] [L1466] struct A a7; VAL [a7={13:0}, ldv_global_msg_list={15:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={13:0}, ldv_global_msg_list={15:0}] [L1443] int ret = - -3; VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={15:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={12:0}, ldv_global_msg_list={15:0}, malloc(size)={12:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, ldv_malloc(sizeof(int))={12:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={15:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={13:0}, a={13:0}, f6()=0, ldv_global_msg_list={15:0}, p={12:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={15:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={13:0}, a={13:0}, g6()=0, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1453] a->p = p VAL [a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1454] return 0; VAL [\result=0, a={13:0}, a={13:0}, ldv_global_msg_list={15:0}, p={12:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={13:0}, ldv_global_msg_list={15:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={13:0}, ldv_global_msg_list={15:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={13:0}, ldv_global_msg_list={15:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 340 locations, 71 error locations. UNSAFE Result, 1.3s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 413 SDtfs, 142 SDslu, 950 SDs, 0 SdLazy, 515 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred 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, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 25041 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 [2018-12-01 09:28:09,026 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 09:28:09,027 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 09:28:09,033 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 09:28:09,034 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 09:28:09,034 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 09:28:09,035 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 09:28:09,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 09:28:09,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 09:28:09,038 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 09:28:09,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 09:28:09,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 09:28:09,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 09:28:09,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 09:28:09,040 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 09:28:09,041 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 09:28:09,041 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 09:28:09,043 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 09:28:09,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 09:28:09,045 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 09:28:09,046 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 09:28:09,046 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 09:28:09,048 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 09:28:09,048 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 09:28:09,048 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 09:28:09,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 09:28:09,050 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 09:28:09,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 09:28:09,051 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 09:28:09,052 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 09:28:09,052 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 09:28:09,052 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 09:28:09,052 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 09:28:09,052 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 09:28:09,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 09:28:09,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 09:28:09,054 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-12-01 09:28:09,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 09:28:09,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 09:28:09,064 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 09:28:09,064 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 09:28:09,065 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 09:28:09,065 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 09:28:09,065 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 09:28:09,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 09:28:09,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 09:28:09,065 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 09:28:09,065 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 09:28:09,065 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 09:28:09,066 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 09:28:09,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 09:28:09,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 09:28:09,067 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 09:28:09,067 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_637a1368-d088-47c1-9b34-2e4f10888039/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 -> 769eb05e4e9ecf306aff3e68f9d0c3446a53669d [2018-12-01 09:28:09,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 09:28:09,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 09:28:09,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 09:28:09,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 09:28:09,100 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 09:28:09,101 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-12-01 09:28:09,135 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/98ace2f02/8ad9fc27b12d4f6bab555703020e7845/FLAGa31c39040 [2018-12-01 09:28:09,587 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 09:28:09,588 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/sv-benchmarks/c/ldv-memsafety/memleaks_test7_false-valid-memtrack_true-termination.i [2018-12-01 09:28:09,595 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/98ace2f02/8ad9fc27b12d4f6bab555703020e7845/FLAGa31c39040 [2018-12-01 09:28:09,603 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/bin-2019/uautomizer/data/98ace2f02/8ad9fc27b12d4f6bab555703020e7845 [2018-12-01 09:28:09,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 09:28:09,606 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-01 09:28:09,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 09:28:09,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 09:28:09,608 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 09:28:09,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,611 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 01.12 09:28:09, skipping insertion in model container [2018-12-01 09:28:09,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 09:28:09,636 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 09:28:09,827 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 09:28:09,880 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 09:28:09,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 09:28:09,948 INFO L195 MainTranslator]: Completed translation [2018-12-01 09:28:09,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09 WrapperNode [2018-12-01 09:28:09,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 09:28:09,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 09:28:09,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 09:28:09,949 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 09:28:09,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... [2018-12-01 09:28:09,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 09:28:09,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 09:28:09,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 09:28:09,996 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 09:28:09,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-12-01 09:28:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-12-01 09:28:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2018-12-01 09:28:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure f6 [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure g6 [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_2_6 [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-12-01 09:28:10,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-12-01 09:28:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-01 09:28:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-01 09:28:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-01 09:28:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-01 09:28:10,030 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-01 09:28:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-01 09:28:10,032 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-01 09:28:10,033 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-01 09:28:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-01 09:28:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2018-12-01 09:28:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-12-01 09:28:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2018-12-01 09:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure f6 [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure g6 [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_2_6 [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-12-01 09:28:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2018-12-01 09:28:10,307 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 09:28:10,572 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 09:28:10,813 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 09:28:10,813 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 09:28:10,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:28:10 BoogieIcfgContainer [2018-12-01 09:28:10,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 09:28:10,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 09:28:10,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 09:28:10,817 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 09:28:10,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 09:28:09" (1/3) ... [2018-12-01 09:28:10,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138ac082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:28:10, skipping insertion in model container [2018-12-01 09:28:10,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:28:09" (2/3) ... [2018-12-01 09:28:10,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138ac082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 09:28:10, skipping insertion in model container [2018-12-01 09:28:10,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:28:10" (3/3) ... [2018-12-01 09:28:10,820 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test7_false-valid-memtrack_true-termination.i [2018-12-01 09:28:10,828 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 09:28:10,834 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2018-12-01 09:28:10,845 INFO L257 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2018-12-01 09:28:10,859 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 09:28:10,860 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 09:28:10,860 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-01 09:28:10,860 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 09:28:10,860 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 09:28:10,860 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 09:28:10,860 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 09:28:10,860 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 09:28:10,860 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 09:28:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-01 09:28:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 09:28:10,877 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:10,877 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] [2018-12-01 09:28:10,879 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_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:10,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:10,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1066689485, now seen corresponding path program 1 times [2018-12-01 09:28:10,885 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:10,885 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:10,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:11,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:11,046 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:28:11,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:11,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 09:28:11,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:28:11,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:28:11,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:11,061 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 5 states. [2018-12-01 09:28:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:11,116 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-12-01 09:28:11,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:28:11,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-12-01 09:28:11,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:11,124 INFO L225 Difference]: With dead ends: 51 [2018-12-01 09:28:11,124 INFO L226 Difference]: Without dead ends: 48 [2018-12-01 09:28:11,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:11,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-01 09:28:11,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-01 09:28:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-01 09:28:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-12-01 09:28:11,147 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 23 [2018-12-01 09:28:11,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:11,148 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-12-01 09:28:11,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:28:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-12-01 09:28:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:11,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:11,148 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] [2018-12-01 09:28:11,149 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:11,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:11,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1292363915, now seen corresponding path program 1 times [2018-12-01 09:28:11,149 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:11,149 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:11,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:11,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:11,225 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 [2018-12-01 09:28:11,226 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:11,228 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 09:28:11,228 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-01 09:28:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:11,281 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:28:11,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:11,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 09:28:11,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 09:28:11,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 09:28:11,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 09:28:11,284 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 6 states. [2018-12-01 09:28:11,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:11,451 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2018-12-01 09:28:11,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 09:28:11,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-01 09:28:11,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:11,454 INFO L225 Difference]: With dead ends: 75 [2018-12-01 09:28:11,454 INFO L226 Difference]: Without dead ends: 75 [2018-12-01 09:28:11,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 09:28:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-12-01 09:28:11,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 60. [2018-12-01 09:28:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-01 09:28:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 69 transitions. [2018-12-01 09:28:11,464 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 69 transitions. Word has length 24 [2018-12-01 09:28:11,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:11,466 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 69 transitions. [2018-12-01 09:28:11,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 09:28:11,466 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2018-12-01 09:28:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:11,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:11,467 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] [2018-12-01 09:28:11,468 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:11,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:11,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1585766922, now seen corresponding path program 1 times [2018-12-01 09:28:11,469 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:11,469 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:11,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:11,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:11,544 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:28:11,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:11,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 09:28:11,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 09:28:11,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 09:28:11,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 09:28:11,546 INFO L87 Difference]: Start difference. First operand 60 states and 69 transitions. Second operand 6 states. [2018-12-01 09:28:11,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:11,609 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-12-01 09:28:11,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 09:28:11,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-01 09:28:11,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:11,612 INFO L225 Difference]: With dead ends: 66 [2018-12-01 09:28:11,612 INFO L226 Difference]: Without dead ends: 65 [2018-12-01 09:28:11,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 09:28:11,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-12-01 09:28:11,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2018-12-01 09:28:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-01 09:28:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2018-12-01 09:28:11,617 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 24 [2018-12-01 09:28:11,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:11,618 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2018-12-01 09:28:11,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 09:28:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-12-01 09:28:11,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:11,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:11,619 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] [2018-12-01 09:28:11,619 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:11,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:11,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1904087272, now seen corresponding path program 1 times [2018-12-01 09:28:11,620 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:11,620 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:11,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:11,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:11,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:11,675 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:28:11,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:11,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 09:28:11,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:28:11,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:28:11,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:11,677 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand 5 states. [2018-12-01 09:28:11,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:11,703 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2018-12-01 09:28:11,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:28:11,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-01 09:28:11,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:11,705 INFO L225 Difference]: With dead ends: 63 [2018-12-01 09:28:11,705 INFO L226 Difference]: Without dead ends: 63 [2018-12-01 09:28:11,705 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:28:11,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-12-01 09:28:11,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2018-12-01 09:28:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-01 09:28:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-12-01 09:28:11,708 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 24 [2018-12-01 09:28:11,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:11,709 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-12-01 09:28:11,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:28:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-12-01 09:28:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 09:28:11,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:11,710 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] [2018-12-01 09:28:11,710 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:11,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:11,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1610684265, now seen corresponding path program 1 times [2018-12-01 09:28:11,710 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:11,710 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:11,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:11,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:11,789 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 13 treesize of output 15 [2018-12-01 09:28:11,792 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 09:28:11,792 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-12-01 09:28:11,793 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:11,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 09:28:11,798 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-12-01 09:28:11,801 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 09:28:11,806 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 17 treesize of output 15 [2018-12-01 09:28:11,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-01 09:28:11,813 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 09:28:11,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-01 09:28:11,821 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2018-12-01 09:28:13,867 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_8| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_8|)) (= |c_#valid| (store |c_old(#valid)| |v_entry_point_~#a7~0.base_8| (_ bv0 1))))) is different from true [2018-12-01 09:28:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:13,890 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:28:13,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:13,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 09:28:13,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 09:28:13,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 09:28:13,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=26, Unknown=1, NotChecked=10, Total=56 [2018-12-01 09:28:13,893 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 8 states. [2018-12-01 09:28:38,007 WARN L180 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-12-01 09:28:50,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:50,145 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2018-12-01 09:28:50,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 09:28:50,145 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2018-12-01 09:28:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:50,146 INFO L225 Difference]: With dead ends: 79 [2018-12-01 09:28:50,146 INFO L226 Difference]: Without dead ends: 69 [2018-12-01 09:28:50,146 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=23, Invalid=36, Unknown=1, NotChecked=12, Total=72 [2018-12-01 09:28:50,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-01 09:28:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 58. [2018-12-01 09:28:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-01 09:28:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2018-12-01 09:28:50,150 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 24 [2018-12-01 09:28:50,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:50,150 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2018-12-01 09:28:50,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 09:28:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2018-12-01 09:28:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 09:28:50,151 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:50,151 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] [2018-12-01 09:28:50,151 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:50,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:50,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1306937405, now seen corresponding path program 1 times [2018-12-01 09:28:50,151 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:50,152 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:50,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:50,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:50,218 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 [2018-12-01 09:28:50,218 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:50,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 09:28:50,220 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-01 09:28:50,627 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 [2018-12-01 09:28:50,632 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 [2018-12-01 09:28:50,632 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:50,637 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. [2018-12-01 09:28:50,637 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-12-01 09:28:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:50,682 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:28:50,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:50,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 09:28:50,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 09:28:50,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 09:28:50,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=29, Unknown=1, NotChecked=10, Total=56 [2018-12-01 09:28:50,684 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 8 states. [2018-12-01 09:28:54,281 WARN L180 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 7 [2018-12-01 09:28:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:54,885 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2018-12-01 09:28:54,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 09:28:54,885 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-12-01 09:28:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:54,886 INFO L225 Difference]: With dead ends: 67 [2018-12-01 09:28:54,886 INFO L226 Difference]: Without dead ends: 67 [2018-12-01 09:28:54,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=43, Invalid=84, Unknown=9, NotChecked=20, Total=156 [2018-12-01 09:28:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-01 09:28:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 57. [2018-12-01 09:28:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-01 09:28:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2018-12-01 09:28:54,890 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 29 [2018-12-01 09:28:54,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:54,891 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2018-12-01 09:28:54,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 09:28:54,891 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2018-12-01 09:28:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 09:28:54,891 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:54,891 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] [2018-12-01 09:28:54,892 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:54,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:54,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1306937404, now seen corresponding path program 1 times [2018-12-01 09:28:54,892 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:54,892 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:54,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:54,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:54,969 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 [2018-12-01 09:28:54,969 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:54,978 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 [2018-12-01 09:28:54,978 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:54,983 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 09:28:54,983 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-12-01 09:28:56,301 WARN L854 $PredicateComparison]: unable to prove that (exists ((ldv_malloc_~size (_ BitVec 32)) (|ldv_malloc_#t~malloc12.base| (_ BitVec 32))) (and (= |c_#length| (store |c_old(#length)| |ldv_malloc_#t~malloc12.base| ldv_malloc_~size)) (= (select |c_old(#valid)| |ldv_malloc_#t~malloc12.base|) (_ bv0 1)))) is different from true [2018-12-01 09:28:56,307 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 09:28:56,309 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 09:28:56,309 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 11 treesize of output 4 [2018-12-01 09:28:56,309 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:56,321 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-12-01 09:28:56,322 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:56,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 09:28:56,330 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:25, output treesize:9 [2018-12-01 09:28:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:28:56,378 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:28:56,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:28:56,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 09:28:56,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 09:28:56,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 09:28:56,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=39, Unknown=1, NotChecked=12, Total=72 [2018-12-01 09:28:56,381 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand 9 states. [2018-12-01 09:28:56,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:28:56,562 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-12-01 09:28:56,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 09:28:56,562 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-12-01 09:28:56,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:28:56,563 INFO L225 Difference]: With dead ends: 58 [2018-12-01 09:28:56,563 INFO L226 Difference]: Without dead ends: 47 [2018-12-01 09:28:56,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=39, Invalid=74, Unknown=1, NotChecked=18, Total=132 [2018-12-01 09:28:56,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-12-01 09:28:56,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2018-12-01 09:28:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-01 09:28:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-12-01 09:28:56,565 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 29 [2018-12-01 09:28:56,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:28:56,565 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-12-01 09:28:56,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 09:28:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-12-01 09:28:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 09:28:56,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:28:56,566 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] [2018-12-01 09:28:56,566 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:28:56,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:28:56,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1274321554, now seen corresponding path program 1 times [2018-12-01 09:28:56,566 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:28:56,566 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:28:56,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:28:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:28:56,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:28:56,658 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 13 treesize of output 15 [2018-12-01 09:28:56,660 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 09:28:56,661 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2018-12-01 09:28:56,661 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:56,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-01 09:28:56,667 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-12-01 09:28:56,670 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 09:28:56,676 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 17 treesize of output 15 [2018-12-01 09:28:56,677 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-12-01 09:28:56,686 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-12-01 09:28:56,694 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-12-01 09:28:56,694 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:18, output treesize:19 [2018-12-01 09:28:56,762 INFO L701 Elim1Store]: detected not equals via solver [2018-12-01 09:28:56,762 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-12-01 09:28:56,762 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-01 09:28:56,764 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. [2018-12-01 09:28:56,764 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2018-12-01 09:28:57,381 WARN L854 $PredicateComparison]: unable to prove that (exists ((probe1_6_~p~0.base (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| probe1_6_~p~0.base)) (= |c_#valid| (store |c_old(#valid)| probe1_6_~p~0.base (_ bv0 1))))) is different from true [2018-12-01 09:29:01,413 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2018-12-01 09:29:03,431 WARN L854 $PredicateComparison]: unable to prove that (exists ((|v_entry_point_~#a7~0.base_9| (_ BitVec 32)) (probe1_6_~p~0.base (_ BitVec 32))) (let ((.cse0 (store |c_old(#valid)| |v_entry_point_~#a7~0.base_9| (_ bv1 1)))) (and (= (select .cse0 probe1_6_~p~0.base) (_ bv0 1)) (= (store (store .cse0 probe1_6_~p~0.base (_ bv0 1)) |v_entry_point_~#a7~0.base_9| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_~#a7~0.base_9|))))) is different from true [2018-12-01 09:29:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:29:03,463 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:29:03,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:29:03,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-01 09:29:03,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 09:29:03,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 09:29:03,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=81, Unknown=3, NotChecked=38, Total=156 [2018-12-01 09:29:03,466 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 13 states. [2018-12-01 09:29:23,965 WARN L180 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-12-01 09:29:33,381 WARN L180 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-12-01 09:29:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:29:34,831 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2018-12-01 09:29:34,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 09:29:34,832 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 32 [2018-12-01 09:29:34,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:29:34,832 INFO L225 Difference]: With dead ends: 54 [2018-12-01 09:29:34,832 INFO L226 Difference]: Without dead ends: 43 [2018-12-01 09:29:34,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=43, Invalid=117, Unknown=4, NotChecked=46, Total=210 [2018-12-01 09:29:34,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-01 09:29:34,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-01 09:29:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-01 09:29:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-12-01 09:29:34,835 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 32 [2018-12-01 09:29:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:29:34,835 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-12-01 09:29:34,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 09:29:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-12-01 09:29:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 09:29:34,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:29:34,836 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] [2018-12-01 09:29:34,836 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:29:34,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:29:34,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1681815562, now seen corresponding path program 1 times [2018-12-01 09:29:34,836 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:29:34,836 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:29:34,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:29:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 09:29:34,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 09:29:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 09:29:34,883 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-01 09:29:34,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 09:29:34,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 09:29:34,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 09:29:34,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 09:29:34,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:29:34,885 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 5 states. [2018-12-01 09:29:34,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 09:29:34,889 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-12-01 09:29:34,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 09:29:34,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2018-12-01 09:29:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 09:29:34,890 INFO L225 Difference]: With dead ends: 43 [2018-12-01 09:29:34,890 INFO L226 Difference]: Without dead ends: 43 [2018-12-01 09:29:34,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 09:29:34,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-01 09:29:34,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-01 09:29:34,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-01 09:29:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-12-01 09:29:34,892 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 38 [2018-12-01 09:29:34,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 09:29:34,892 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-12-01 09:29:34,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 09:29:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-12-01 09:29:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 09:29:34,893 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 09:29:34,893 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, 1, 1, 1] [2018-12-01 09:29:34,893 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, probe1_6Err3ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err2ASSERT_VIOLATIONMEMORY_FREE, probe1_6Err1REQUIRES_VIOLATION, probe1_6Err0REQUIRES_VIOLATION]=== [2018-12-01 09:29:34,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 09:29:34,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1237666445, now seen corresponding path program 1 times [2018-12-01 09:29:34,894 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-01 09:29:34,894 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_637a1368-d088-47c1-9b34-2e4f10888039/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 [2018-12-01 09:29:34,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 09:29:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:29:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 09:29:35,054 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 09:29:35,062 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-01 09:29:35,065 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# [2018-12-01 09:29:35,065 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# [2018-12-01 09:29:35,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 09:29:35 BoogieIcfgContainer [2018-12-01 09:29:35,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 09:29:35,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 09:29:35,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 09:29:35,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 09:29:35,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:28:10" (3/4) ... [2018-12-01 09:29:35,075 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 09:29:35,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 09:29:35,075 INFO L168 Benchmark]: Toolchain (without parser) took 85470.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 939.3 MB in the beginning and 986.3 MB in the end (delta: -47.0 MB). Peak memory consumption was 171.2 MB. Max. memory is 11.5 GB. [2018-12-01 09:29:35,076 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-01 09:29:35,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-12-01 09:29:35,076 INFO L168 Benchmark]: Boogie Preprocessor took 46.67 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. [2018-12-01 09:29:35,076 INFO L168 Benchmark]: RCFGBuilder took 817.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.4 MB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. [2018-12-01 09:29:35,077 INFO L168 Benchmark]: TraceAbstraction took 84257.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 985.4 MB in the beginning and 986.3 MB in the end (delta: -930.9 kB). Peak memory consumption was 80.9 MB. Max. memory is 11.5 GB. [2018-12-01 09:29:35,077 INFO L168 Benchmark]: Witness Printer took 2.83 ms. Allocated memory is still 1.2 GB. Free memory is still 986.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 09:29:35,078 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 342.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -162.5 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.67 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 817.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.4 MB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 84257.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 985.4 MB in the beginning and 986.3 MB in the end (delta: -930.9 kB). Peak memory consumption was 80.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 ms. Allocated memory is still 1.2 GB. Free memory is still 986.3 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1473]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1473. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2078209982:0}] [L1474] CALL entry_point() VAL [ldv_global_msg_list={-2078209982:0}] [L1466] struct A a7; VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}] [L1467] CALL, EXPR probe1_6(&a7) VAL [a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}] [L1443] int ret = - -3; VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ret=3] [L1444] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2078209982:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(size)=4, \result={-450278830:0}, ldv_global_msg_list={-2078209982:0}, malloc(size)={-450278830:0}, size=4] [L1444] RET, EXPR ldv_malloc(sizeof(int)) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ldv_malloc(sizeof(int))={-450278830:0}, ret=3] [L1444] int *p = (int *)ldv_malloc(sizeof(int)); [L1445] COND FALSE !(p==0) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=3] [L1447] CALL, EXPR f6() VAL [ldv_global_msg_list={-2078209982:0}] [L1435] return __VERIFIER_nondet_int(); [L1447] RET, EXPR f6() VAL [a={-1524020654:0}, a={-1524020654:0}, f6()=0, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=3] [L1447] ret = f6() [L1448] COND FALSE !(ret<0) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1450] CALL, EXPR g6() VAL [ldv_global_msg_list={-2078209982:0}] [L1439] return __VERIFIER_nondet_int(); [L1450] RET, EXPR g6() VAL [a={-1524020654:0}, a={-1524020654:0}, g6()=0, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1450] ret = g6() [L1451] COND FALSE !(ret<0) VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1453] a->p = p VAL [a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1454] return 0; VAL [\result=0, a={-1524020654:0}, a={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, p={-450278830:0}, ret=0] [L1467] RET, EXPR probe1_6(&a7) VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, probe1_6(&a7)=0] [L1467] int ret = probe1_6(&a7); [L1468] COND TRUE ret==0 VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ret=0] [L1469] FCALL disconnect_2_6(&a7) VAL [a7={-1524020654:0}, ldv_global_msg_list={-2078209982:0}, ret=0] [L1474] RET entry_point() VAL [ldv_global_msg_list={-2078209982:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 339 locations, 71 error locations. UNSAFE Result, 84.2s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 72.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 455 SDtfs, 324 SDslu, 1132 SDs, 0 SdLazy, 707 SolverSat, 111 SolverUnsat, 27 SolverUnknown, 0 SolverNotchecked, 55.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 182 SyntacticMatches, 10 SemanticMatches, 59 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 27.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred 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, 9 MinimizatonAttempts, 52 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 238 ConstructedInterpolants, 41 QuantifiedInterpolants, 32202 SizeOfPredicates, 17 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...