./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:16:20,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:16:20,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:16:20,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:16:20,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:16:20,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:16:20,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:16:20,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:16:20,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:16:20,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:16:20,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:16:20,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:16:20,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:16:20,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:16:20,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:16:20,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:16:20,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:16:20,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:16:20,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:16:20,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:16:20,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:16:20,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:16:20,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:16:20,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:16:20,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:16:20,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:16:20,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:16:20,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:16:20,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:16:20,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:16:20,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:16:20,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:16:20,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:16:20,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:16:20,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:16:20,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:16:20,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:16:20,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:16:20,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:16:20,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:16:20,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:16:20,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:16:20,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:16:20,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:16:20,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:16:20,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:16:20,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:16:20,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:16:20,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:16:20,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:16:20,895 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:16:20,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:16:20,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:16:20,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:16:20,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:16:20,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:16:20,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:16:20,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:16:20,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:16:20,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:16:20,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:16:20,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:16:20,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:16:20,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:16:20,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:16:20,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:16:20,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-12-07 01:16:21,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:16:21,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:16:21,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:16:21,124 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:16:21,124 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:16:21,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-07 01:16:21,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/da2727788/fab305da25744db9a17fa6a222c61923/FLAG05fcaf923 [2021-12-07 01:16:21,853 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:16:21,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-07 01:16:21,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/da2727788/fab305da25744db9a17fa6a222c61923/FLAG05fcaf923 [2021-12-07 01:16:22,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/da2727788/fab305da25744db9a17fa6a222c61923 [2021-12-07 01:16:22,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:16:22,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:16:22,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:16:22,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:16:22,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:16:22,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:16:22" (1/1) ... [2021-12-07 01:16:22,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dd0df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:22, skipping insertion in model container [2021-12-07 01:16:22,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:16:22" (1/1) ... [2021-12-07 01:16:22,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:16:22,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:16:24,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-07 01:16:24,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:16:24,777 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:16:25,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-07 01:16:25,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:16:25,361 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:16:25,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25 WrapperNode [2021-12-07 01:16:25,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:16:25,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:16:25,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:16:25,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:16:25,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,534 INFO L137 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4483 [2021-12-07 01:16:25,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:16:25,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:16:25,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:16:25,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:16:25,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:16:25,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:16:25,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:16:25,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:16:25,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (1/1) ... [2021-12-07 01:16:25,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:16:25,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:16:25,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:16:25,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:16:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-07 01:16:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-07 01:16:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-07 01:16:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-12-07 01:16:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-12-07 01:16:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-07 01:16:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-07 01:16:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:16:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:16:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-12-07 01:16:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-12-07 01:16:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-07 01:16:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-07 01:16:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-12-07 01:16:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-12-07 01:16:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:16:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:16:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-12-07 01:16:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-12-07 01:16:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-12-07 01:16:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-12-07 01:16:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:16:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:16:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-12-07 01:16:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-12-07 01:16:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:16:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:16:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-12-07 01:16:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-12-07 01:16:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-07 01:16:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-07 01:16:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 01:16:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 01:16:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:16:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:16:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-12-07 01:16:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-12-07 01:16:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:16:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:16:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-12-07 01:16:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-12-07 01:16:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:16:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-07 01:16:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-07 01:16:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 01:16:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 01:16:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 01:16:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 01:16:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:16:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-07 01:16:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-07 01:16:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-07 01:16:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-07 01:16:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:16:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:16:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:16:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-12-07 01:16:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-12-07 01:16:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:16:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:16:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:16:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-12-07 01:16:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-12-07 01:16:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-07 01:16:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-07 01:16:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-12-07 01:16:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-12-07 01:16:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-12-07 01:16:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-12-07 01:16:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-07 01:16:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-07 01:16:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 01:16:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 01:16:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-12-07 01:16:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-12-07 01:16:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:16:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-12-07 01:16:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-12-07 01:16:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:16:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:16:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-12-07 01:16:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-12-07 01:16:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-07 01:16:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-07 01:16:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-07 01:16:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-07 01:16:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-12-07 01:16:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-12-07 01:16:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-07 01:16:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-07 01:16:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:16:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:16:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:16:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:16:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:16:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:16:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:16:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:16:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-12-07 01:16:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-12-07 01:16:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:16:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:16:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-07 01:16:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-07 01:16:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-12-07 01:16:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-12-07 01:16:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 01:16:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 01:16:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-07 01:16:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-07 01:16:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-12-07 01:16:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-12-07 01:16:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-07 01:16:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-07 01:16:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-07 01:16:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-07 01:16:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-07 01:16:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-07 01:16:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-12-07 01:16:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-12-07 01:16:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-07 01:16:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-07 01:16:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 01:16:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 01:16:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:16:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:16:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:16:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:16:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-07 01:16:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-07 01:16:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-07 01:16:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-07 01:16:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-12-07 01:16:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-12-07 01:16:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-12-07 01:16:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-12-07 01:16:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 01:16:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 01:16:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:16:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 01:16:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 01:16:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-12-07 01:16:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-12-07 01:16:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:16:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-12-07 01:16:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-12-07 01:16:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-07 01:16:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-07 01:16:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-12-07 01:16:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-12-07 01:16:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-07 01:16:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-07 01:16:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:16:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 01:16:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 01:16:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-07 01:16:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-07 01:16:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 01:16:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 01:16:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-07 01:16:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-07 01:16:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 01:16:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 01:16:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-12-07 01:16:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-12-07 01:16:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:16:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:16:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:16:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:16:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:16:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:16:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:16:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-07 01:16:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-07 01:16:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-12-07 01:16:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-12-07 01:16:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 01:16:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 01:16:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-07 01:16:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-07 01:16:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-07 01:16:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-07 01:16:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-07 01:16:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-07 01:16:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-07 01:16:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-07 01:16:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-07 01:16:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-07 01:16:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:16:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-12-07 01:16:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-12-07 01:16:26,202 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:16:26,204 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:16:26,351 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:16:30,930 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:16:30,947 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:16:30,947 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:16:30,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:16:30 BoogieIcfgContainer [2021-12-07 01:16:30,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:16:30,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:16:30,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:16:30,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:16:30,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:16:22" (1/3) ... [2021-12-07 01:16:30,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e348260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:16:30, skipping insertion in model container [2021-12-07 01:16:30,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:16:25" (2/3) ... [2021-12-07 01:16:30,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e348260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:16:30, skipping insertion in model container [2021-12-07 01:16:30,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:16:30" (3/3) ... [2021-12-07 01:16:30,955 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-07 01:16:30,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:16:30,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:16:31,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:16:31,014 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:16:31,014 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:16:31,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 1307 states, 948 states have (on average 1.3206751054852321) internal successors, (1252), 974 states have internal predecessors, (1252), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2021-12-07 01:16:31,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-07 01:16:31,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:31,054 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:31,054 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:16:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1510187125, now seen corresponding path program 1 times [2021-12-07 01:16:31,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:31,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770069210] [2021-12-07 01:16:31,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:31,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:16:31,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:31,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770069210] [2021-12-07 01:16:31,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770069210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:31,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:31,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:16:31,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928794356] [2021-12-07 01:16:31,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:31,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:16:31,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:16:31,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:16:31,446 INFO L87 Difference]: Start difference. First operand has 1307 states, 948 states have (on average 1.3206751054852321) internal successors, (1252), 974 states have internal predecessors, (1252), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:31,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:31,631 INFO L93 Difference]: Finished difference Result 3905 states and 5464 transitions. [2021-12-07 01:16:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:16:31,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-07 01:16:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:31,660 INFO L225 Difference]: With dead ends: 3905 [2021-12-07 01:16:31,660 INFO L226 Difference]: Without dead ends: 2553 [2021-12-07 01:16:31,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:16:31,678 INFO L933 BasicCegarLoop]: 2044 mSDtfsCounter, 1761 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:31,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1761 Valid, 3814 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:16:31,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2021-12-07 01:16:31,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2550. [2021-12-07 01:16:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 1853 states have (on average 1.3038316243928765) internal successors, (2416), 1887 states have internal predecessors, (2416), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2021-12-07 01:16:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3466 transitions. [2021-12-07 01:16:31,832 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3466 transitions. Word has length 19 [2021-12-07 01:16:31,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:31,832 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 3466 transitions. [2021-12-07 01:16:31,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:16:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3466 transitions. [2021-12-07 01:16:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-07 01:16:31,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:31,846 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:31,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:16:31,846 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:16:31,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1054431279, now seen corresponding path program 1 times [2021-12-07 01:16:31,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:31,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451734018] [2021-12-07 01:16:31,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:31,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:16:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-07 01:16:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-07 01:16:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 01:16:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:16:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-07 01:16:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:16:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:16:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:16:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-07 01:16:32,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:32,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451734018] [2021-12-07 01:16:32,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451734018] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:32,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:32,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:16:32,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989108290] [2021-12-07 01:16:32,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:32,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:16:32,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:32,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:16:32,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:16:32,247 INFO L87 Difference]: Start difference. First operand 2550 states and 3466 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 01:16:35,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:39,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:39,283 INFO L93 Difference]: Finished difference Result 6629 states and 9102 transitions. [2021-12-07 01:16:39,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:16:39,284 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2021-12-07 01:16:39,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:39,306 INFO L225 Difference]: With dead ends: 6629 [2021-12-07 01:16:39,306 INFO L226 Difference]: Without dead ends: 4082 [2021-12-07 01:16:39,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:16:39,318 INFO L933 BasicCegarLoop]: 1731 mSDtfsCounter, 1492 mSDsluCounter, 2889 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 4620 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:39,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1592 Valid, 4620 Invalid, 2456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 1853 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-07 01:16:39,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2021-12-07 01:16:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 3560. [2021-12-07 01:16:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3560 states, 2610 states have (on average 1.3114942528735631) internal successors, (3423), 2655 states have internal predecessors, (3423), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2021-12-07 01:16:39,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4825 transitions. [2021-12-07 01:16:39,457 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4825 transitions. Word has length 106 [2021-12-07 01:16:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:39,457 INFO L470 AbstractCegarLoop]: Abstraction has 3560 states and 4825 transitions. [2021-12-07 01:16:39,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 01:16:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4825 transitions. [2021-12-07 01:16:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-07 01:16:39,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:39,463 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:39,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:16:39,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:16:39,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash 772852535, now seen corresponding path program 1 times [2021-12-07 01:16:39,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:39,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605146588] [2021-12-07 01:16:39,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:39,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:16:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-07 01:16:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:16:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-07 01:16:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:16:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-07 01:16:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 01:16:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-07 01:16:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 01:16:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-07 01:16:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-07 01:16:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-07 01:16:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:16:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 01:16:39,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-07 01:16:39,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:39,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605146588] [2021-12-07 01:16:39,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605146588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:39,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:39,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:16:39,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585441998] [2021-12-07 01:16:39,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:39,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:39,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:39,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:39,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:39,930 INFO L87 Difference]: Start difference. First operand 3560 states and 4825 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:16:47,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:47,000 INFO L93 Difference]: Finished difference Result 7644 states and 10470 transitions. [2021-12-07 01:16:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:16:47,001 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 185 [2021-12-07 01:16:47,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:47,021 INFO L225 Difference]: With dead ends: 7644 [2021-12-07 01:16:47,021 INFO L226 Difference]: Without dead ends: 4081 [2021-12-07 01:16:47,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:16:47,033 INFO L933 BasicCegarLoop]: 1636 mSDtfsCounter, 518 mSDsluCounter, 4882 mSDsCounter, 0 mSdLazyCounter, 2625 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 6518 SdHoareTripleChecker+Invalid, 2997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 2625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:47,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 6518 Invalid, 2997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 2625 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-12-07 01:16:47,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2021-12-07 01:16:47,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 3563. [2021-12-07 01:16:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2613 states have (on average 1.310371220818982) internal successors, (3424), 2658 states have internal predecessors, (3424), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2021-12-07 01:16:47,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4826 transitions. [2021-12-07 01:16:47,147 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4826 transitions. Word has length 185 [2021-12-07 01:16:47,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:47,148 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 4826 transitions. [2021-12-07 01:16:47,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:16:47,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4826 transitions. [2021-12-07 01:16:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-07 01:16:47,153 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:47,153 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:47,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:16:47,154 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:16:47,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:47,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1258493088, now seen corresponding path program 1 times [2021-12-07 01:16:47,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:47,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457905926] [2021-12-07 01:16:47,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:47,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:16:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 01:16:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:16:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:16:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:16:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:16:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 01:16:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-07 01:16:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-07 01:16:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-07 01:16:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-07 01:16:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-07 01:16:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 01:16:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-07 01:16:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-07 01:16:47,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:47,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457905926] [2021-12-07 01:16:47,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457905926] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:47,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:47,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:16:47,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033970996] [2021-12-07 01:16:47,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:47,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:47,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:47,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:47,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:47,607 INFO L87 Difference]: Start difference. First operand 3563 states and 4826 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-07 01:16:53,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:53,903 INFO L93 Difference]: Finished difference Result 10343 states and 14184 transitions. [2021-12-07 01:16:53,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:16:53,904 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 194 [2021-12-07 01:16:53,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:53,937 INFO L225 Difference]: With dead ends: 10343 [2021-12-07 01:16:53,937 INFO L226 Difference]: Without dead ends: 6783 [2021-12-07 01:16:53,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:16:53,949 INFO L933 BasicCegarLoop]: 1789 mSDtfsCounter, 3916 mSDsluCounter, 3814 mSDsCounter, 0 mSdLazyCounter, 2828 mSolverCounterSat, 1825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4159 SdHoareTripleChecker+Valid, 5603 SdHoareTripleChecker+Invalid, 4653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1825 IncrementalHoareTripleChecker+Valid, 2828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:53,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4159 Valid, 5603 Invalid, 4653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1825 Valid, 2828 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-07 01:16:53,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6783 states. [2021-12-07 01:16:54,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 5852. [2021-12-07 01:16:54,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5852 states, 4280 states have (on average 1.3067757009345795) internal successors, (5593), 4360 states have internal predecessors, (5593), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2021-12-07 01:16:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 7907 transitions. [2021-12-07 01:16:54,177 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 7907 transitions. Word has length 194 [2021-12-07 01:16:54,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:54,177 INFO L470 AbstractCegarLoop]: Abstraction has 5852 states and 7907 transitions. [2021-12-07 01:16:54,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-07 01:16:54,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 7907 transitions. [2021-12-07 01:16:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-07 01:16:54,185 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:54,185 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:54,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:16:54,185 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:16:54,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:54,185 INFO L85 PathProgramCache]: Analyzing trace with hash -322687177, now seen corresponding path program 1 times [2021-12-07 01:16:54,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:54,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158246350] [2021-12-07 01:16:54,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:54,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:16:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 01:16:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:16:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:16:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:16:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:16:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:16:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 01:16:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 01:16:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 01:16:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:16:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-07 01:16:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 01:16:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 01:16:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 01:16:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 01:16:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:16:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-07 01:16:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-07 01:16:54,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:54,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158246350] [2021-12-07 01:16:54,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158246350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:54,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:54,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 01:16:54,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688536133] [2021-12-07 01:16:54,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:54,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 01:16:54,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:54,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 01:16:54,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:54,618 INFO L87 Difference]: Start difference. First operand 5852 states and 7907 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:16:57,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:00,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:00,077 INFO L93 Difference]: Finished difference Result 12637 states and 17289 transitions. [2021-12-07 01:17:00,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:17:00,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2021-12-07 01:17:00,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:00,115 INFO L225 Difference]: With dead ends: 12637 [2021-12-07 01:17:00,115 INFO L226 Difference]: Without dead ends: 6788 [2021-12-07 01:17:00,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:17:00,131 INFO L933 BasicCegarLoop]: 1618 mSDtfsCounter, 3690 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 2029 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3902 SdHoareTripleChecker+Valid, 3239 SdHoareTripleChecker+Invalid, 3030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2029 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:00,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3902 Valid, 3239 Invalid, 3030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2029 Valid, 1000 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-12-07 01:17:00,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6788 states. [2021-12-07 01:17:00,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6788 to 5852. [2021-12-07 01:17:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5852 states, 4280 states have (on average 1.3053738317757009) internal successors, (5587), 4360 states have internal predecessors, (5587), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2021-12-07 01:17:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 7901 transitions. [2021-12-07 01:17:00,344 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 7901 transitions. Word has length 225 [2021-12-07 01:17:00,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:00,344 INFO L470 AbstractCegarLoop]: Abstraction has 5852 states and 7901 transitions. [2021-12-07 01:17:00,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:17:00,345 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 7901 transitions. [2021-12-07 01:17:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-07 01:17:00,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:00,352 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:00,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:17:00,352 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:17:00,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:00,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1898259317, now seen corresponding path program 1 times [2021-12-07 01:17:00,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:00,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262040577] [2021-12-07 01:17:00,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:00,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:17:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 01:17:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:17:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:17:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:17:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:17:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 01:17:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 01:17:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-07 01:17:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:17:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-07 01:17:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 01:17:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 01:17:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 01:17:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 01:17:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 01:17:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-07 01:17:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-07 01:17:00,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:00,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262040577] [2021-12-07 01:17:00,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262040577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:00,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:00,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-07 01:17:00,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533058619] [2021-12-07 01:17:00,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:00,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-07 01:17:00,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:00,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-07 01:17:00,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:17:00,949 INFO L87 Difference]: Start difference. First operand 5852 states and 7901 transitions. Second operand has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:17:04,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:05,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:10,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:14,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:16,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:16,460 INFO L93 Difference]: Finished difference Result 14399 states and 20114 transitions. [2021-12-07 01:17:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 01:17:16,461 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2021-12-07 01:17:16,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:16,494 INFO L225 Difference]: With dead ends: 14399 [2021-12-07 01:17:16,494 INFO L226 Difference]: Without dead ends: 8550 [2021-12-07 01:17:16,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2021-12-07 01:17:16,510 INFO L933 BasicCegarLoop]: 2109 mSDtfsCounter, 2038 mSDsluCounter, 18753 mSDsCounter, 0 mSdLazyCounter, 5787 mSolverCounterSat, 1402 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 20862 SdHoareTripleChecker+Invalid, 7190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1402 IncrementalHoareTripleChecker+Valid, 5787 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:16,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2184 Valid, 20862 Invalid, 7190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1402 Valid, 5787 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2021-12-07 01:17:16,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8550 states. [2021-12-07 01:17:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8550 to 5874. [2021-12-07 01:17:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5874 states, 4296 states have (on average 1.3042364990689013) internal successors, (5603), 4376 states have internal predecessors, (5603), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2021-12-07 01:17:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5874 states to 5874 states and 7941 transitions. [2021-12-07 01:17:16,734 INFO L78 Accepts]: Start accepts. Automaton has 5874 states and 7941 transitions. Word has length 225 [2021-12-07 01:17:16,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:16,734 INFO L470 AbstractCegarLoop]: Abstraction has 5874 states and 7941 transitions. [2021-12-07 01:17:16,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-07 01:17:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 5874 states and 7941 transitions. [2021-12-07 01:17:16,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-07 01:17:16,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:16,743 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:16,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:17:16,743 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:17:16,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:16,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1181179054, now seen corresponding path program 1 times [2021-12-07 01:17:16,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:16,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981599284] [2021-12-07 01:17:16,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:16,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:16,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:17:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 01:17:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:17:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:17:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:17:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:17:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 01:17:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-07 01:17:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:17:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:17:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:17:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 01:17:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-07 01:17:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-07 01:17:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 01:17:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-07 01:17:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-07 01:17:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 01:17:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:17:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-07 01:17:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-07 01:17:17,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:17,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981599284] [2021-12-07 01:17:17,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981599284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:17,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:17,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-07 01:17:17,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695989983] [2021-12-07 01:17:17,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:17,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-07 01:17:17,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:17,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 01:17:17,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:17:17,330 INFO L87 Difference]: Start difference. First operand 5874 states and 7941 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-07 01:17:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:23,919 INFO L93 Difference]: Finished difference Result 12693 states and 17357 transitions. [2021-12-07 01:17:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 01:17:23,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2021-12-07 01:17:23,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:23,939 INFO L225 Difference]: With dead ends: 12693 [2021-12-07 01:17:23,940 INFO L226 Difference]: Without dead ends: 6822 [2021-12-07 01:17:23,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2021-12-07 01:17:23,951 INFO L933 BasicCegarLoop]: 1626 mSDtfsCounter, 974 mSDsluCounter, 7778 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 9404 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:23,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1034 Valid, 9404 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2021-12-07 01:17:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6822 states. [2021-12-07 01:17:24,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6822 to 5922. [2021-12-07 01:17:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5922 states, 4326 states have (on average 1.3035136384650947) internal successors, (5639), 4412 states have internal predecessors, (5639), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2021-12-07 01:17:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 5922 states and 7995 transitions. [2021-12-07 01:17:24,157 INFO L78 Accepts]: Start accepts. Automaton has 5922 states and 7995 transitions. Word has length 245 [2021-12-07 01:17:24,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:24,157 INFO L470 AbstractCegarLoop]: Abstraction has 5922 states and 7995 transitions. [2021-12-07 01:17:24,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-07 01:17:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5922 states and 7995 transitions. [2021-12-07 01:17:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-07 01:17:24,166 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:24,166 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:24,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:17:24,166 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:17:24,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:24,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1960443043, now seen corresponding path program 1 times [2021-12-07 01:17:24,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:24,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918891947] [2021-12-07 01:17:24,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:24,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:17:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 01:17:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 01:17:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:17:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-07 01:17:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-07 01:17:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-07 01:17:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-07 01:17:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:17:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:17:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:17:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-07 01:17:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-07 01:17:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 01:17:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-07 01:17:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-07 01:17:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-07 01:17:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-07 01:17:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-07 01:17:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:17:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-07 01:17:24,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:24,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918891947] [2021-12-07 01:17:24,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918891947] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:17:24,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812897146] [2021-12-07 01:17:24,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:24,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:17:24,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:17:24,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:17:24,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:17:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:25,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 3900 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-07 01:17:25,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:17:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-07 01:17:25,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:17:25,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812897146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:25,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:17:25,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-12-07 01:17:25,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678128072] [2021-12-07 01:17:25,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:25,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:17:25,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:17:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:17:25,631 INFO L87 Difference]: Start difference. First operand 5922 states and 7995 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2021-12-07 01:17:25,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:25,869 INFO L93 Difference]: Finished difference Result 11872 states and 16027 transitions. [2021-12-07 01:17:25,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:17:25,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 246 [2021-12-07 01:17:25,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:25,884 INFO L225 Difference]: With dead ends: 11872 [2021-12-07 01:17:25,884 INFO L226 Difference]: Without dead ends: 5938 [2021-12-07 01:17:25,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:17:25,897 INFO L933 BasicCegarLoop]: 1744 mSDtfsCounter, 22 mSDsluCounter, 5219 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6963 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:25,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 6963 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:17:25,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5938 states. [2021-12-07 01:17:26,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5938 to 5913. [2021-12-07 01:17:26,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5913 states, 4317 states have (on average 1.3022932592077832) internal successors, (5622), 4403 states have internal predecessors, (5622), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2021-12-07 01:17:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 7978 transitions. [2021-12-07 01:17:26,119 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 7978 transitions. Word has length 246 [2021-12-07 01:17:26,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:26,119 INFO L470 AbstractCegarLoop]: Abstraction has 5913 states and 7978 transitions. [2021-12-07 01:17:26,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2021-12-07 01:17:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 7978 transitions. [2021-12-07 01:17:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-12-07 01:17:26,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:26,127 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:26,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:17:26,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:17:26,328 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:17:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:26,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1314978962, now seen corresponding path program 1 times [2021-12-07 01:17:26,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:26,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489886253] [2021-12-07 01:17:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:26,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:17:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-07 01:17:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-07 01:17:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:17:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 01:17:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-07 01:17:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:17:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-07 01:17:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-07 01:17:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-07 01:17:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:17:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:17:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:17:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-07 01:17:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-07 01:17:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:17:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-07 01:17:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-07 01:17:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:17:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-07 01:17:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-07 01:17:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-07 01:17:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-12-07 01:17:26,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:26,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489886253] [2021-12-07 01:17:26,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489886253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:26,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:26,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-07 01:17:26,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546568710] [2021-12-07 01:17:26,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:26,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-07 01:17:26,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:26,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 01:17:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:17:26,850 INFO L87 Difference]: Start difference. First operand 5913 states and 7978 transitions. Second operand has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 01:17:31,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:34,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:39,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:39,846 INFO L93 Difference]: Finished difference Result 15329 states and 21289 transitions. [2021-12-07 01:17:39,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-07 01:17:39,847 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 266 [2021-12-07 01:17:39,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:39,869 INFO L225 Difference]: With dead ends: 15329 [2021-12-07 01:17:39,869 INFO L226 Difference]: Without dead ends: 9419 [2021-12-07 01:17:39,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2021-12-07 01:17:39,881 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 2391 mSDsluCounter, 14301 mSDsCounter, 0 mSdLazyCounter, 4908 mSolverCounterSat, 1162 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2623 SdHoareTripleChecker+Valid, 16504 SdHoareTripleChecker+Invalid, 6071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 4908 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:39,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2623 Valid, 16504 Invalid, 6071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1162 Valid, 4908 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2021-12-07 01:17:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9419 states. [2021-12-07 01:17:40,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9419 to 6565. [2021-12-07 01:17:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6565 states, 4797 states have (on average 1.2987283718991036) internal successors, (6230), 4888 states have internal predecessors, (6230), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 502 states have return successors, (1300), 1241 states have call predecessors, (1300), 1263 states have call successors, (1300) [2021-12-07 01:17:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6565 states to 6565 states and 8795 transitions. [2021-12-07 01:17:40,134 INFO L78 Accepts]: Start accepts. Automaton has 6565 states and 8795 transitions. Word has length 266 [2021-12-07 01:17:40,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:40,134 INFO L470 AbstractCegarLoop]: Abstraction has 6565 states and 8795 transitions. [2021-12-07 01:17:40,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-07 01:17:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 6565 states and 8795 transitions. [2021-12-07 01:17:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-07 01:17:40,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:40,143 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:40,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:17:40,144 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:17:40,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:40,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1960950714, now seen corresponding path program 1 times [2021-12-07 01:17:40,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:40,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805266655] [2021-12-07 01:17:40,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:40,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:17:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-07 01:17:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:17:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:17:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:17:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:17:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-07 01:17:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-07 01:17:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 01:17:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 01:17:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-07 01:17:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:17:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:17:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:17:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 01:17:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-07 01:17:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-07 01:17:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-07 01:17:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-07 01:17:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-07 01:17:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-07 01:17:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-07 01:17:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-07 01:17:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-07 01:17:40,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:40,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805266655] [2021-12-07 01:17:40,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805266655] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:17:40,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889961541] [2021-12-07 01:17:40,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:40,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:17:40,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:17:40,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:17:40,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:17:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:41,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 4023 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:17:41,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:17:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-12-07 01:17:42,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:17:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-07 01:17:42,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889961541] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:17:42,703 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:17:42,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2021-12-07 01:17:42,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880350342] [2021-12-07 01:17:42,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:17:42,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-07 01:17:42,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:42,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-07 01:17:42,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:17:42,705 INFO L87 Difference]: Start difference. First operand 6565 states and 8795 transitions. Second operand has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-07 01:17:46,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:51,830 INFO L93 Difference]: Finished difference Result 14158 states and 19187 transitions. [2021-12-07 01:17:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 01:17:51,831 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 272 [2021-12-07 01:17:51,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:51,855 INFO L225 Difference]: With dead ends: 14158 [2021-12-07 01:17:51,855 INFO L226 Difference]: Without dead ends: 7505 [2021-12-07 01:17:51,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2021-12-07 01:17:51,869 INFO L933 BasicCegarLoop]: 1610 mSDtfsCounter, 1023 mSDsluCounter, 10392 mSDsCounter, 0 mSdLazyCounter, 4208 mSolverCounterSat, 773 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 12002 SdHoareTripleChecker+Invalid, 4982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 773 IncrementalHoareTripleChecker+Valid, 4208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:51,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1083 Valid, 12002 Invalid, 4982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [773 Valid, 4208 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2021-12-07 01:17:51,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7505 states. [2021-12-07 01:17:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7505 to 6558. [2021-12-07 01:17:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6558 states, 4797 states have (on average 1.2972691265374192) internal successors, (6223), 4881 states have internal predecessors, (6223), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 495 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2021-12-07 01:17:52,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6558 states to 6558 states and 8781 transitions. [2021-12-07 01:17:52,115 INFO L78 Accepts]: Start accepts. Automaton has 6558 states and 8781 transitions. Word has length 272 [2021-12-07 01:17:52,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:52,115 INFO L470 AbstractCegarLoop]: Abstraction has 6558 states and 8781 transitions. [2021-12-07 01:17:52,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-07 01:17:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6558 states and 8781 transitions. [2021-12-07 01:17:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-07 01:17:52,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:52,124 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:52,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:17:52,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:17:52,325 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:17:52,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:52,325 INFO L85 PathProgramCache]: Analyzing trace with hash -582218043, now seen corresponding path program 2 times [2021-12-07 01:17:52,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:52,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773435063] [2021-12-07 01:17:52,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:52,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:17:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-07 01:17:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:17:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:17:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:17:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:17:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-07 01:17:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-07 01:17:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 01:17:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:17:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 01:17:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-07 01:17:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:17:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:17:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:17:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-07 01:17:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-07 01:17:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-07 01:17:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-07 01:17:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-07 01:17:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-07 01:17:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-07 01:17:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-07 01:17:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-07 01:17:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-07 01:17:52,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:52,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773435063] [2021-12-07 01:17:52,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773435063] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:17:52,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851450253] [2021-12-07 01:17:52,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:17:52,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:17:52,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:17:52,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:17:52,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:17:57,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 01:17:57,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:17:57,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 4038 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-07 01:17:57,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:17:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-12-07 01:17:58,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:17:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-07 01:17:58,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851450253] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:17:58,688 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:17:58,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2021-12-07 01:17:58,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709269785] [2021-12-07 01:17:58,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:17:58,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-07 01:17:58,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:58,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-07 01:17:58,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2021-12-07 01:17:58,690 INFO L87 Difference]: Start difference. First operand 6558 states and 8781 transitions. Second operand has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-07 01:18:07,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:07,865 INFO L93 Difference]: Finished difference Result 14137 states and 19133 transitions. [2021-12-07 01:18:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-07 01:18:07,865 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 273 [2021-12-07 01:18:07,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:07,882 INFO L225 Difference]: With dead ends: 14137 [2021-12-07 01:18:07,882 INFO L226 Difference]: Without dead ends: 7526 [2021-12-07 01:18:07,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=232, Invalid=1328, Unknown=0, NotChecked=0, Total=1560 [2021-12-07 01:18:07,894 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 1800 mSDsluCounter, 16375 mSDsCounter, 0 mSdLazyCounter, 6017 mSolverCounterSat, 1475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 17987 SdHoareTripleChecker+Invalid, 7492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1475 IncrementalHoareTripleChecker+Valid, 6017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:07,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1859 Valid, 17987 Invalid, 7492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1475 Valid, 6017 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-07 01:18:07,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7526 states. [2021-12-07 01:18:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7526 to 6579. [2021-12-07 01:18:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6579 states, 4816 states have (on average 1.2965116279069768) internal successors, (6244), 4900 states have internal predecessors, (6244), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2021-12-07 01:18:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6579 states to 6579 states and 8802 transitions. [2021-12-07 01:18:08,139 INFO L78 Accepts]: Start accepts. Automaton has 6579 states and 8802 transitions. Word has length 273 [2021-12-07 01:18:08,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:08,140 INFO L470 AbstractCegarLoop]: Abstraction has 6579 states and 8802 transitions. [2021-12-07 01:18:08,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-07 01:18:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 6579 states and 8802 transitions. [2021-12-07 01:18:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-12-07 01:18:08,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:08,148 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:18:08,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-07 01:18:08,349 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:18:08,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:08,349 INFO L85 PathProgramCache]: Analyzing trace with hash -791178202, now seen corresponding path program 3 times [2021-12-07 01:18:08,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:08,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972232830] [2021-12-07 01:18:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:08,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:18:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-07 01:18:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 01:18:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:18:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:18:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:18:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:18:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-07 01:18:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:18:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-07 01:18:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:18:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-07 01:18:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:18:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-07 01:18:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:18:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-07 01:18:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-07 01:18:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:18:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 01:18:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:18:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-07 01:18:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-07 01:18:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 01:18:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-07 01:18:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-07 01:18:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-07 01:18:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-07 01:18:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-07 01:18:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-07 01:18:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-07 01:18:08,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:08,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972232830] [2021-12-07 01:18:08,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972232830] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:18:08,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479407442] [2021-12-07 01:18:08,977 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-07 01:18:08,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:18:08,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:18:08,978 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:18:08,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 01:18:32,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-12-07 01:18:32,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:18:32,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 4053 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-07 01:18:32,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:18:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-12-07 01:18:33,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:18:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-07 01:18:33,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479407442] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:18:33,720 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:18:33,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 9] total 26 [2021-12-07 01:18:33,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734154272] [2021-12-07 01:18:33,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:18:33,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-07 01:18:33,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:33,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-07 01:18:33,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2021-12-07 01:18:33,723 INFO L87 Difference]: Start difference. First operand 6579 states and 8802 transitions. Second operand has 26 states, 23 states have (on average 8.956521739130435) internal successors, (206), 20 states have internal predecessors, (206), 6 states have call successors, (71), 8 states have call predecessors, (71), 6 states have return successors, (51), 5 states have call predecessors, (51), 6 states have call successors, (51) [2021-12-07 01:18:45,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:45,297 INFO L93 Difference]: Finished difference Result 14171 states and 19165 transitions. [2021-12-07 01:18:45,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 01:18:45,298 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 23 states have (on average 8.956521739130435) internal successors, (206), 20 states have internal predecessors, (206), 6 states have call successors, (71), 8 states have call predecessors, (71), 6 states have return successors, (51), 5 states have call predecessors, (51), 6 states have call successors, (51) Word has length 274 [2021-12-07 01:18:45,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:45,320 INFO L225 Difference]: With dead ends: 14171 [2021-12-07 01:18:45,320 INFO L226 Difference]: Without dead ends: 7535 [2021-12-07 01:18:45,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 606 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=1206, Unknown=0, NotChecked=0, Total=1406 [2021-12-07 01:18:45,330 INFO L933 BasicCegarLoop]: 1605 mSDtfsCounter, 1479 mSDsluCounter, 16845 mSDsCounter, 0 mSdLazyCounter, 6510 mSolverCounterSat, 1116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 18450 SdHoareTripleChecker+Invalid, 7626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1116 IncrementalHoareTripleChecker+Valid, 6510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:45,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1574 Valid, 18450 Invalid, 7626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1116 Valid, 6510 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2021-12-07 01:18:45,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2021-12-07 01:18:45,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 6588. [2021-12-07 01:18:45,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6588 states, 4825 states have (on average 1.2959585492227979) internal successors, (6253), 4909 states have internal predecessors, (6253), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2021-12-07 01:18:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6588 states to 6588 states and 8811 transitions. [2021-12-07 01:18:45,558 INFO L78 Accepts]: Start accepts. Automaton has 6588 states and 8811 transitions. Word has length 274 [2021-12-07 01:18:45,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:45,559 INFO L470 AbstractCegarLoop]: Abstraction has 6588 states and 8811 transitions. [2021-12-07 01:18:45,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 23 states have (on average 8.956521739130435) internal successors, (206), 20 states have internal predecessors, (206), 6 states have call successors, (71), 8 states have call predecessors, (71), 6 states have return successors, (51), 5 states have call predecessors, (51), 6 states have call successors, (51) [2021-12-07 01:18:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 6588 states and 8811 transitions. [2021-12-07 01:18:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-07 01:18:45,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:45,567 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:45,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 01:18:45,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-07 01:18:45,769 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:18:45,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:45,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1320991461, now seen corresponding path program 4 times [2021-12-07 01:18:45,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:45,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049294360] [2021-12-07 01:18:45,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:45,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:18:48,988 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:18:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:18:50,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:18:50,612 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:18:50,613 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:18:50,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 01:18:50,616 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:50,619 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:18:50,685 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-07 01:18:50,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:18:50 BoogieIcfgContainer [2021-12-07 01:18:50,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:18:50,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:18:50,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:18:50,861 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:18:50,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:16:30" (3/4) ... [2021-12-07 01:18:50,864 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:18:50,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:18:50,865 INFO L158 Benchmark]: Toolchain (without parser) took 148662.69ms. Allocated memory was 104.9MB in the beginning and 1.1GB in the end (delta: 952.1MB). Free memory was 71.9MB in the beginning and 393.2MB in the end (delta: -321.2MB). Peak memory consumption was 629.8MB. Max. memory is 16.1GB. [2021-12-07 01:18:50,865 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:18:50,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3159.29ms. Allocated memory was 104.9MB in the beginning and 176.2MB in the end (delta: 71.3MB). Free memory was 71.5MB in the beginning and 75.7MB in the end (delta: -4.1MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2021-12-07 01:18:50,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.54ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 75.7MB in the beginning and 123.6MB in the end (delta: -47.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2021-12-07 01:18:50,866 INFO L158 Benchmark]: Boogie Preprocessor took 159.70ms. Allocated memory is still 211.8MB. Free memory was 122.5MB in the beginning and 96.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-07 01:18:50,866 INFO L158 Benchmark]: RCFGBuilder took 5254.10ms. Allocated memory was 211.8MB in the beginning and 402.7MB in the end (delta: 190.8MB). Free memory was 96.3MB in the beginning and 228.8MB in the end (delta: -132.5MB). Peak memory consumption was 233.4MB. Max. memory is 16.1GB. [2021-12-07 01:18:50,866 INFO L158 Benchmark]: TraceAbstraction took 139909.78ms. Allocated memory was 402.7MB in the beginning and 1.1GB in the end (delta: 654.3MB). Free memory was 228.8MB in the beginning and 394.2MB in the end (delta: -165.4MB). Peak memory consumption was 567.6MB. Max. memory is 16.1GB. [2021-12-07 01:18:50,866 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 1.1GB. Free memory was 394.2MB in the beginning and 393.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:18:50,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3159.29ms. Allocated memory was 104.9MB in the beginning and 176.2MB in the end (delta: 71.3MB). Free memory was 71.5MB in the beginning and 75.7MB in the end (delta: -4.1MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.54ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 75.7MB in the beginning and 123.6MB in the end (delta: -47.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.70ms. Allocated memory is still 211.8MB. Free memory was 122.5MB in the beginning and 96.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5254.10ms. Allocated memory was 211.8MB in the beginning and 402.7MB in the end (delta: 190.8MB). Free memory was 96.3MB in the beginning and 228.8MB in the end (delta: -132.5MB). Peak memory consumption was 233.4MB. Max. memory is 16.1GB. * TraceAbstraction took 139909.78ms. Allocated memory was 402.7MB in the beginning and 1.1GB in the end (delta: 654.3MB). Free memory was 228.8MB in the beginning and 394.2MB in the end (delta: -165.4MB). Peak memory consumption was 567.6MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 1.1GB. Free memory was 394.2MB in the beginning and 393.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13209]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10111, overapproximation of bitwiseOr at line 10305, overapproximation of bitwiseAnd at line 10785. Possible FailurePath: [L6776] int LDV_IN_INTERRUPT = 1; [L6777] struct file *xenvif_dbg_io_ring_ops_fops_group2 ; [L6778] struct net_device *xenvif_netdev_ops_group1 ; [L6779] struct inode *xenvif_dbg_io_ring_ops_fops_group1 ; [L6780] struct xenbus_device *netback_driver_group0 ; [L6781] int ldv_state_variable_0 ; [L6782] int ldv_state_variable_5 ; [L6783] int ldv_state_variable_3 ; [L6784] struct net_device *xenvif_ethtool_ops_group0 ; [L6785] int ldv_timer_state_1 = 0; [L6786] int ldv_state_variable_2 ; [L6787] int ref_cnt ; [L6788] int ldv_state_variable_1 ; [L6789] struct timer_list *ldv_timer_list_1 ; [L6790] int ldv_state_variable_4 ; [L7425] unsigned int xenvif_max_queues ; [L7497] bool separate_tx_rx_irq = 1; [L7498] unsigned int rx_drain_timeout_msecs = 10000U; [L7499] unsigned int rx_stall_timeout_msecs = 60000U; [L7500] static unsigned int fatal_skb_slots = 20U; [L10142] int ldv_retval_1 ; [L10411] struct dentry *xen_netback_dbg_root = (struct dentry *)0; [L10523-L10526] static struct file_operations const xenvif_dbg_io_ring_ops_fops = {& __this_module, & seq_lseek, & seq_read, & xenvif_write_io_ring, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_dump_open, 0, & single_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11582-L11583] static struct xenbus_device_id const netback_ids[2U] = { {{'v', 'i', 'f', '\000'}}, {{'\000'}}}; [L11584-L11587] static struct xenbus_driver netback_driver = {0, (struct xenbus_device_id const *)(& netback_ids), & netback_probe, & frontend_changed, & netback_remove, 0, 0, & netback_uevent, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L11602] int ldv_retval_0 ; [L11603] int ldv_retval_4 ; [L12362-L12371] static struct xenvif_stat const xenvif_stats[5U] = { {{'r', 'x', '_', 'g', 's', 'o', '_', 'c', 'h', 'e', 'c', 'k', 's', 'u', 'm', '_', 'f', 'i', 'x', 'u', 'p', '\000'}, 16U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'e', 'n', 't', '\000'}, 24U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'u', 'c', 'c', 'e', 's', 's', '\000'}, 32U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 'f', 'a', 'i', 'l', '\000'}, 40U}, {{'t', 'x', '_', 'f', 'r', 'a', 'g', '_', 'o', 'v', 'e', 'r', 'f', 'l', 'o', 'w', '\000'}, 48U}}; [L12445-L12448] static struct ethtool_ops const xenvif_ethtool_ops = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & ethtool_op_get_link, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_get_strings, 0, & xenvif_get_ethtool_stats, 0, 0, 0, 0, & xenvif_get_sset_count, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12449-L12454] static struct net_device_ops const xenvif_netdev_ops = {0, 0, & xenvif_open, & xenvif_close, (netdev_tx_t (*)(struct sk_buff * , struct net_device * ))(& xenvif_start_xmit), 0, 0, 0, & eth_mac_addr, & eth_validate_addr, 0, 0, & xenvif_change_mtu, 0, 0, 0, & xenvif_get_stats, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_fix_features, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12856] int ldv_retval_3 ; [L12857] int ldv_retval_2 ; [L13248] int ldv_module_refcounter = 1; VAL [__this_module={245:-244}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10151] int tmp ; [L10152] int tmp___0 ; [L10154] FCALL ldv_initialize() [L10155] ldv_state_variable_4 = 0 [L10156] ldv_state_variable_1 = 1 [L10157] ref_cnt = 0 [L10158] ldv_state_variable_0 = 1 [L10159] ldv_state_variable_3 = 0 [L10160] ldv_state_variable_2 = 0 [L10161] ldv_state_variable_5 = 0 VAL [__this_module={245:-244}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={245:-244}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={245:-244}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10186] COND TRUE ldv_state_variable_0 == 1 [L10187] CALL, EXPR netback_init() [L10090] int rc ; [L10091] long tmp ; [L10092] bool tmp___0 ; [L10094] rc = 0 VAL [__this_module={245:-244}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10095] COND FALSE !((unsigned int )xen_domain_type == 0U) [L10099] CALL, EXPR cpumask_weight(cpu_online_mask) [L6561] int tmp ; [L6563] CALL, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6551] int tmp___0 ; [L6553] CALL, EXPR __bitmap_weight(src, nbits) [L13332] return __VERIFIER_nondet_int(); [L6553] RET, EXPR __bitmap_weight(src, nbits) [L6553] tmp___0 = __bitmap_weight(src, nbits) [L6554] return (tmp___0); VAL [\old(nbits)=259, \result=246, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, nbits=259, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={36893488147419103515:36893488147419103497}, src={36893488147419103515:36893488147419103497}, tmp___0=246, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6563] RET, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6563] tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6564] return ((unsigned int )tmp); VAL [\result=246, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={36893488147419103515:36893488147419103497}, srcp={36893488147419103515:36893488147419103497}, tmp=246, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10099] RET, EXPR cpumask_weight(cpu_online_mask) [L10099] xenvif_max_queues = cpumask_weight(cpu_online_mask) [L10100] COND FALSE !(fatal_skb_slots <= 17U) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] CALL, EXPR xenvif_xenbus_init() [L11590] int tmp ; [L11592] CALL, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L13376] return __VERIFIER_nondet_int(); [L11592] RET, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11592] tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11593] return (tmp); VAL [\result=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={245:-244}, arg0={69:0}, arg1={0:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND TRUE tmp___0 != 0 [L6700] return ((void *)0); VAL [\old(size)=300, \result={0:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={245:-244}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct dentry))={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, debugfs_create_dir("xen-netback", (struct dentry *)0)={0:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0) [L10112] CALL, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10253] RET, EXPR ldv_is_err_or_null(ptr) [L10253] tmp = ldv_is_err_or_null(ptr) [L10254] return (tmp); VAL [\result=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, IS_ERR_OR_NULL((void const *)xen_netback_dbg_root)=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, PTR_ERR((void const *)xen_netback_dbg_root)=2012, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10187] RET, EXPR netback_init() [L10187] ldv_retval_1 = netback_init() [L10188] COND TRUE ldv_retval_1 == 0 [L10189] ldv_state_variable_0 = 3 [L10190] ldv_state_variable_5 = 1 [L10191] CALL ldv_file_operations_5() [L11615] void *tmp ; [L11616] void *tmp___0 ; VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1000, \result={-18446744073709551617:0}, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={245:-244}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={245:-244}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={245:-244}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=504, \result={-36893488147419103233:0}, __this_module={245:-244}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10191] RET ldv_file_operations_5() [L10192] ldv_state_variable_3 = 1 [L10193] CALL ldv_initialize_ethtool_ops_3() [L12896] void *tmp ; VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={245:-244}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={245:-244}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={245:-244}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=3008, \result={-55340232221128654849:0}, __this_module={245:-244}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10193] RET ldv_initialize_ethtool_ops_3() [L10194] ldv_state_variable_4 = 1 [L10195] CALL ldv_initialize_xenbus_driver_4() [L11606] void *tmp ; VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={245:-244}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={245:-244}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={245:-244}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1664, \result={36893488147419103233:0}, __this_module={245:-244}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10166] COND TRUE ldv_state_variable_4 != 0 [L10167] CALL ldv_main_exported_4() [L11627] struct xenbus_device_id *ldvarg2 ; [L11628] void *tmp ; [L11629] enum xenbus_state ldvarg0 ; [L11630] struct kobj_uevent_env *ldvarg1 ; [L11631] void *tmp___0 ; [L11632] int tmp___1 ; VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103478:0}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551615:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551615:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551615:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=32, \result={-18446744073709551615:0}, __this_module={245:-244}, calloc(1UL, size)={-18446744073709551615:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709551615:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={-18446744073709551615:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103478:0}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103478:0}, ldvarg2={-18446744073709551615:0}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={245:-244}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={245:-244}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={245:-244}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=2336, \result={18446744073709551617:0}, __this_module={245:-244}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103478:0}, ldvarg2={-18446744073709551615:0}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103478:0}, ldvarg1={18446744073709551617:0}, ldvarg2={-18446744073709551615:0}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, tmp___0={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103478:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={245:-244}, c=0, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103478:0}, s={36893488147419103478:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={245:-244}, c=0, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, memset(s, c, n)={36893488147419103478:0}, n=4, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103478:0}, s={36893488147419103478:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103478:0}, __this_module={245:-244}, c=0, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103478:0}, s={36893488147419103478:0}, separate_tx_rx_irq=1, tmp={36893488147419103478:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={36893488147419103478:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103478:0}, ldvarg1={18446744073709551617:0}, ldvarg2={-18446744073709551615:0}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, tmp___0={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103478:0}, ldvarg1={18446744073709551617:0}, ldvarg2={-18446744073709551615:0}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551615:0}, tmp___0={18446744073709551617:0}, tmp___1=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11642] COND TRUE ldv_state_variable_4 == 1 [L11643] CALL netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2) [L10632] char const *message ; [L10633] struct xenbus_transaction xbt ; [L10634] int err ; [L10635] int sg ; [L10636] char const *script ; [L10637] struct backend_info *be ; [L10638] void *tmp ; [L10639] struct xenbus_transaction __constr_expr_0 ; [L10640] struct _ddebug descriptor ; [L10641] long tmp___0 ; [L10642] struct xenbus_transaction __constr_expr_1 ; [L10643] struct _ddebug descriptor___0 ; [L10644] long tmp___1 ; [L10645] struct xenbus_transaction __constr_expr_2 ; [L10646] void *tmp___2 ; [L10647] long tmp___3 ; [L10648] bool tmp___4 ; [L10649] struct _ddebug descriptor___1 ; [L10650] long tmp___5 ; VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND FALSE !(tmp___0 != 0) [L6702] tmp = malloc(size) [L6703] p = tmp VAL [\old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11777] bool tmp ; VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={245:-244}, cond=1, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6706] return (p); VAL [\old(size)=72, \result={-18446744073709549604:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=36893488147419103493, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709549604:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=36893488147419103493, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=261, \old(size)=72, \result={-18446744073709549604:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, flags=261, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={-18446744073709549604:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, kzalloc(72UL, 208U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, data={-18446744073709549604:0}, dev={36893488147419103233:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10323] dev->driver_data = data VAL [__this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, data={-18446744073709549604:0}, data={-18446744073709549604:0}, dev={36893488147419103233:60}, dev={36893488147419103233:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10661] sg = 1 VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10663] CALL, EXPR xenbus_transaction_start(& xbt) [L13713] return __VERIFIER_nondet_int(); [L10663] RET, EXPR xenbus_transaction_start(& xbt) [L10663] err = xenbus_transaction_start(& xbt) [L10664] COND TRUE err != 0 VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, err=1, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10779] descriptor___1.modname = "xen_netback" [L10780] descriptor___1.function = "netback_probe" [L10781] descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c" [L10782] descriptor___1.format = "failed\n" [L10783] descriptor___1.lineno = 380U [L10784] descriptor___1.flags = 0U [L10785] EXPR descriptor___1.flags VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, descriptor___1.flags=0, dev={36893488147419103233:0}, dev={36893488147419103233:0}, err=1, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=-2, \result=-2, __this_module={245:-244}, c=0, cpu_online_mask={36893488147419103515:36893488147419103497}, exp=-2, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, descriptor___1.flags=0, dev={36893488147419103233:0}, dev={36893488147419103233:0}, err=1, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L)=-2, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND TRUE tmp___5 != 0L VAL [__constr_expr_0={36893488147419103481:0}, __constr_expr_1={36893488147419103484:0}, __constr_expr_2={36893488147419103479:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, descriptor={36893488147419103485:0}, descriptor___0={36893488147419103483:0}, descriptor___1={36893488147419103482:0}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, err=1, fatal_skb_slots=20, id={-18446744073709551615:0}, id={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, tmp___5=-2, xbt={36893488147419103480:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10790] CALL netback_remove(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10607] struct backend_info *be ; [L10608] void *tmp ; [L10609] struct xenbus_transaction __constr_expr_0 ; VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] CALL, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10317] EXPR dev->driver_data [L10317] return ((void *)dev->driver_data); [L10611] RET, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, dev_get_drvdata((struct device const *)(& dev->dev))={-18446744073709549604:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] tmp = dev_get_drvdata((struct device const *)(& dev->dev)) [L10612] be = (struct backend_info *)tmp VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10613] CALL set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] EXPR be->state VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(state)=6, __this_module={245:-244}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, be->state=-4294967290, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, state=6, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] COND FALSE !((unsigned int )be->state != (unsigned int )state) [L10613] RET set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] CALL unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] EXPR (unsigned char *)be + 56UL VAL [(unsigned char *)be + 56UL=0, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] COND FALSE !((unsigned int )*((unsigned char *)be + 56UL) != 0U) [L11233] be->have_hotplug_status_watch = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] RET unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, be={-18446744073709549604:0}, be->vif={36893488147419103477:247}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] COND TRUE (unsigned long )be->vif != (unsigned long )((struct xenvif *)0) [L10616] CALL kobject_uevent(& dev->dev.kobj, 5) VAL [\old(arg1)=5, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, arg0={36893488147419103233:76}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13496] return __VERIFIER_nondet_int(); [L10616] RET kobject_uevent(& dev->dev.kobj, 5) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, be={-18446744073709549604:0}, be->vif={36893488147419103477:247}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] CALL xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103477:247}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] EXPR vif->credit_watch.node VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103477:247}, vif={36893488147419103477:247}, vif->credit_watch.node={249:18446744073709551367}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] COND FALSE !((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) [L10617] RET xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103477:0}, __this_module={245:-244}, be={-18446744073709549604:0}, be->vif={36893488147419103477:247}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103233:0}, dev={36893488147419103233:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10618] __constr_expr_0.id = 0U [L10619] EXPR dev->nodename [L10619] CALL xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L13694] return __VERIFIER_nondet_int(); [L10619] RET xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L10620] EXPR be->vif [L10620] CALL xenvif_free(be->vif) [L12828] struct xenvif_queue *queue ; [L12829] unsigned int num_queues ; [L12830] unsigned int queue_index ; [L12832] queue = (struct xenvif_queue *)0 [L12833] EXPR vif->num_queues [L12833] num_queues = vif->num_queues [L12834] EXPR vif->dev [L12834] CALL ldv_unregister_netdev_22(vif->dev) [L13184] FCALL unregister_netdev(dev) [L13185] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103495:36893488147419103501}, dev={36893488147419103495:36893488147419103501}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12834] RET ldv_unregister_netdev_22(vif->dev) [L12835] queue_index = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103477:247}, vif={36893488147419103477:247}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12842] COND FALSE !(queue_index < num_queues) [L12846] EXPR vif->queues VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103477:247}, vif={36893488147419103477:247}, vif->queues={36893488147419103511:36893488147419103499}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12846] FCALL vfree((void const *)vif->queues) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103477:247}, vif={36893488147419103477:247}, vif->queues={36893488147419103511:36893488147419103499}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12847] vif->queues = (struct xenvif_queue *)0 [L12848] vif->num_queues = 0U [L12849] EXPR vif->dev [L12849] CALL ldv_free_netdev_23(vif->dev) [L13192] FCALL free_netdev(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103495:36893488147419103501}, dev={36893488147419103495:36893488147419103501}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13193] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, dev={36893488147419103495:36893488147419103501}, dev={36893488147419103495:36893488147419103501}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12849] RET ldv_free_netdev_23(vif->dev) [L12850] CALL ldv_module_put_24(& __this_module) [L13200] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={245:-244}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13279] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={245:-244}, module={245:-244}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13280] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={245:-244}, module={245:-244}, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13281] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13209] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={245:-244}, cpu_online_mask={36893488147419103515:36893488147419103497}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={36893488147419103233:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103491, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654849:0}, xenvif_max_queues=246, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1308 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 139.6s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 91.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 22354 SdHoareTripleChecker+Valid, 86.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21104 mSDsluCounter, 125966 SdHoareTripleChecker+Invalid, 79.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104639 mSDsCounter, 11491 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39114 IncrementalHoareTripleChecker+Invalid, 50609 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11491 mSolverCounterUnsat, 21327 mSDtfsCounter, 39114 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2769 GetRequests, 2534 SyntacticMatches, 7 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6588occurred in iteration=12, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 12206 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 33.5s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 3870 NumberOfCodeBlocks, 3870 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4395 ConstructedInterpolants, 0 QuantifiedInterpolants, 7510 SizeOfPredicates, 12 NumberOfNonLiveVariables, 16014 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 4336/4367 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-07 01:18:51,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:18:52,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:18:52,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:18:52,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:18:52,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:18:52,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:18:52,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:18:52,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:18:52,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:18:52,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:18:52,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:18:52,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:18:52,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:18:52,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:18:52,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:18:52,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:18:52,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:18:52,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:18:52,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:18:52,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:18:52,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:18:52,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:18:52,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:18:52,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:18:52,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:18:52,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:18:52,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:18:52,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:18:52,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:18:52,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:18:52,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:18:52,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:18:52,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:18:52,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:18:52,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:18:52,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:18:52,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:18:52,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:18:52,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:18:52,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:18:52,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:18:52,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-07 01:18:52,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:18:52,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:18:52,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:18:52,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:18:52,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:18:52,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:18:52,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:18:52,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:18:52,543 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:18:52,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:18:52,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:18:52,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:18:52,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:18:52,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:18:52,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-07 01:18:52,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 01:18:52,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 01:18:52,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:18:52,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:18:52,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:18:52,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:18:52,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:18:52,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:18:52,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:18:52,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:18:52,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:18:52,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:18:52,545 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 01:18:52,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 01:18:52,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:18:52,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:18:52,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:18:52,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:18:52,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 01:18:52,546 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-12-07 01:18:52,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:18:52,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:18:52,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:18:52,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:18:52,786 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:18:52,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-07 01:18:52,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/7d2086a2c/3ec96096d41949348902cc84a8a1f053/FLAGb11127b73 [2021-12-07 01:18:53,464 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:18:53,465 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-07 01:18:53,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/7d2086a2c/3ec96096d41949348902cc84a8a1f053/FLAGb11127b73 [2021-12-07 01:18:53,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/data/7d2086a2c/3ec96096d41949348902cc84a8a1f053 [2021-12-07 01:18:53,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:18:53,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:18:53,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:18:53,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:18:53,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:18:53,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:18:53" (1/1) ... [2021-12-07 01:18:53,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a23d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:53, skipping insertion in model container [2021-12-07 01:18:53,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:18:53" (1/1) ... [2021-12-07 01:18:53,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:18:53,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:18:56,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-07 01:18:56,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:18:56,248 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-07 01:18:56,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:18:56,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-07 01:18:56,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:18:56,669 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:18:57,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-07 01:18:57,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:18:57,422 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:18:57,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57 WrapperNode [2021-12-07 01:18:57,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:18:57,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:18:57,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:18:57,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:18:57,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,603 INFO L137 Inliner]: procedures = 440, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4357 [2021-12-07 01:18:57,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:18:57,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:18:57,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:18:57,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:18:57,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:18:57,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:18:57,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:18:57,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:18:57,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (1/1) ... [2021-12-07 01:18:57,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:18:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:18:57,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:18:57,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:18:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-07 01:18:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-07 01:18:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-07 01:18:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-12-07 01:18:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-12-07 01:18:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-07 01:18:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-07 01:18:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:18:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:18:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-12-07 01:18:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-12-07 01:18:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-07 01:18:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-12-07 01:18:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:18:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-12-07 01:18:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-12-07 01:18:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-07 01:18:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-12-07 01:18:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-07 01:18:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-07 01:18:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-12-07 01:18:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-12-07 01:18:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-07 01:18:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-07 01:18:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-07 01:18:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-07 01:18:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:18:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:18:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-12-07 01:18:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-12-07 01:18:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:18:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:18:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-12-07 01:18:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-12-07 01:18:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-07 01:18:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 01:18:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-07 01:18:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-07 01:18:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-07 01:18:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-07 01:18:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-07 01:18:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-12-07 01:18:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:18:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-12-07 01:18:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-07 01:18:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-12-07 01:18:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-12-07 01:18:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-07 01:18:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-07 01:18:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-07 01:18:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-12-07 01:18:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-12-07 01:18:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-12-07 01:18:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-07 01:18:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-07 01:18:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-07 01:18:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-12-07 01:18:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-07 01:18:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-07 01:18:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:18:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:18:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-07 01:18:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-12-07 01:18:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:18:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-07 01:18:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-12-07 01:18:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-07 01:18:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-07 01:18:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-07 01:18:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-12-07 01:18:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-07 01:18:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-07 01:18:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-07 01:18:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-12-07 01:18:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-07 01:18:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-07 01:18:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:18:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-07 01:18:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-12-07 01:18:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-12-07 01:18:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-07 01:18:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-12-07 01:18:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-07 01:18:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-07 01:18:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:18:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:18:57,862 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:18:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-07 01:18:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-12-07 01:18:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-07 01:18:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-07 01:18:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-07 01:18:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-07 01:18:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-07 01:18:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-07 01:18:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-07 01:18:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-07 01:18:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-07 01:18:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-07 01:18:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-12-07 01:18:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-12-07 01:18:58,268 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:18:58,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:18:59,137 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:19:36,889 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:19:36,907 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:19:36,907 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:19:36,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:36 BoogieIcfgContainer [2021-12-07 01:19:36,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:19:36,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:19:36,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:19:36,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:19:36,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:18:53" (1/3) ... [2021-12-07 01:19:36,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627c663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:19:36, skipping insertion in model container [2021-12-07 01:19:36,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:18:57" (2/3) ... [2021-12-07 01:19:36,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627c663e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:19:36, skipping insertion in model container [2021-12-07 01:19:36,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:36" (3/3) ... [2021-12-07 01:19:36,916 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-07 01:19:36,919 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:19:36,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:19:36,966 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:19:36,972 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:19:36,972 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:19:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 1307 states, 948 states have (on average 1.3206751054852321) internal successors, (1252), 974 states have internal predecessors, (1252), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2021-12-07 01:19:37,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-07 01:19:37,017 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:37,017 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:37,018 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:37,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:37,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1510187125, now seen corresponding path program 1 times [2021-12-07 01:19:37,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:37,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954796508] [2021-12-07 01:19:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:37,036 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:37,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:37,037 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:37,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-07 01:19:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:37,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:19:37,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:19:37,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:19:37,900 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:37,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954796508] [2021-12-07 01:19:37,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954796508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:37,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:37,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:19:37,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590259138] [2021-12-07 01:19:37,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:37,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:19:37,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:37,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:19:37,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:19:37,936 INFO L87 Difference]: Start difference. First operand has 1307 states, 948 states have (on average 1.3206751054852321) internal successors, (1252), 974 states have internal predecessors, (1252), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:38,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:38,160 INFO L93 Difference]: Finished difference Result 3905 states and 5464 transitions. [2021-12-07 01:19:38,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:19:38,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-12-07 01:19:38,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:38,188 INFO L225 Difference]: With dead ends: 3905 [2021-12-07 01:19:38,189 INFO L226 Difference]: Without dead ends: 2553 [2021-12-07 01:19:38,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:19:38,207 INFO L933 BasicCegarLoop]: 2044 mSDtfsCounter, 1761 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:38,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1761 Valid, 3814 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:19:38,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2021-12-07 01:19:38,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2550. [2021-12-07 01:19:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 1853 states have (on average 1.3038316243928765) internal successors, (2416), 1887 states have internal predecessors, (2416), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2021-12-07 01:19:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3466 transitions. [2021-12-07 01:19:38,367 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3466 transitions. Word has length 19 [2021-12-07 01:19:38,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:38,367 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 3466 transitions. [2021-12-07 01:19:38,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:19:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3466 transitions. [2021-12-07 01:19:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-07 01:19:38,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:38,379 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:38,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:19:38,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:38,580 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:38,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:38,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1054431279, now seen corresponding path program 1 times [2021-12-07 01:19:38,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:38,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064571766] [2021-12-07 01:19:38,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:38,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:38,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:38,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-07 01:19:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:39,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:19:39,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-07 01:19:39,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:19:39,853 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:39,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064571766] [2021-12-07 01:19:39,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064571766] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:39,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:39,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:19:39,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849017847] [2021-12-07 01:19:39,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:39,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:19:39,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:39,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:19:39,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:19:39,856 INFO L87 Difference]: Start difference. First operand 2550 states and 3466 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-07 01:19:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:40,266 INFO L93 Difference]: Finished difference Result 6119 states and 8301 transitions. [2021-12-07 01:19:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:19:40,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2021-12-07 01:19:40,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:40,287 INFO L225 Difference]: With dead ends: 6119 [2021-12-07 01:19:40,287 INFO L226 Difference]: Without dead ends: 3572 [2021-12-07 01:19:40,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:19:40,300 INFO L933 BasicCegarLoop]: 1851 mSDtfsCounter, 693 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:40,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [693 Valid, 3572 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-07 01:19:40,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2021-12-07 01:19:40,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3560. [2021-12-07 01:19:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3560 states, 2610 states have (on average 1.3114942528735631) internal successors, (3423), 2655 states have internal predecessors, (3423), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2021-12-07 01:19:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4825 transitions. [2021-12-07 01:19:40,437 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4825 transitions. Word has length 106 [2021-12-07 01:19:40,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:40,437 INFO L470 AbstractCegarLoop]: Abstraction has 3560 states and 4825 transitions. [2021-12-07 01:19:40,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-07 01:19:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4825 transitions. [2021-12-07 01:19:40,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-07 01:19:40,443 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:40,443 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:40,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-07 01:19:40,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:40,644 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:40,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:40,645 INFO L85 PathProgramCache]: Analyzing trace with hash 772852535, now seen corresponding path program 1 times [2021-12-07 01:19:40,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:40,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930485256] [2021-12-07 01:19:40,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:40,646 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:40,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:40,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:40,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-07 01:19:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:41,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 01:19:41,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:42,336 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-07 01:19:42,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:19:42,336 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:42,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930485256] [2021-12-07 01:19:42,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930485256] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:42,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:42,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 01:19:42,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307471049] [2021-12-07 01:19:42,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:42,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 01:19:42,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:42,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 01:19:42,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 01:19:42,338 INFO L87 Difference]: Start difference. First operand 3560 states and 4825 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-07 01:19:42,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:42,983 INFO L93 Difference]: Finished difference Result 7134 states and 9669 transitions. [2021-12-07 01:19:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:19:42,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2021-12-07 01:19:42,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:43,004 INFO L225 Difference]: With dead ends: 7134 [2021-12-07 01:19:43,004 INFO L226 Difference]: Without dead ends: 3571 [2021-12-07 01:19:43,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:19:43,017 INFO L933 BasicCegarLoop]: 1743 mSDtfsCounter, 10 mSDsluCounter, 3480 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5223 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:43,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 5223 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:19:43,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2021-12-07 01:19:43,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 3563. [2021-12-07 01:19:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2613 states have (on average 1.310371220818982) internal successors, (3424), 2658 states have internal predecessors, (3424), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2021-12-07 01:19:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4826 transitions. [2021-12-07 01:19:43,140 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4826 transitions. Word has length 185 [2021-12-07 01:19:43,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:43,141 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 4826 transitions. [2021-12-07 01:19:43,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-07 01:19:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4826 transitions. [2021-12-07 01:19:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-07 01:19:43,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:43,147 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:43,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-07 01:19:43,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:43,347 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:43,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:43,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1258493088, now seen corresponding path program 1 times [2021-12-07 01:19:43,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:43,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736185035] [2021-12-07 01:19:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:43,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:43,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:43,350 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:43,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-07 01:19:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:44,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:19:44,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:45,109 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-07 01:19:45,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:19:45,109 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:45,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736185035] [2021-12-07 01:19:45,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736185035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:45,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:45,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:19:45,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136105285] [2021-12-07 01:19:45,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:45,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:19:45,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:45,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:19:45,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:19:45,111 INFO L87 Difference]: Start difference. First operand 3563 states and 4826 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-07 01:19:45,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:45,214 INFO L93 Difference]: Finished difference Result 7123 states and 9649 transitions. [2021-12-07 01:19:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:19:45,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 194 [2021-12-07 01:19:45,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:45,241 INFO L225 Difference]: With dead ends: 7123 [2021-12-07 01:19:45,241 INFO L226 Difference]: Without dead ends: 3563 [2021-12-07 01:19:45,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:19:45,259 INFO L933 BasicCegarLoop]: 1743 mSDtfsCounter, 1729 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:45,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1729 Valid, 1743 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:19:45,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2021-12-07 01:19:45,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3563. [2021-12-07 01:19:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2613 states have (on average 1.3088404133180254) internal successors, (3420), 2658 states have internal predecessors, (3420), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2021-12-07 01:19:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4822 transitions. [2021-12-07 01:19:45,393 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4822 transitions. Word has length 194 [2021-12-07 01:19:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:45,393 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 4822 transitions. [2021-12-07 01:19:45,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-07 01:19:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4822 transitions. [2021-12-07 01:19:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-07 01:19:45,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:45,399 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:45,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-07 01:19:45,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:45,599 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:45,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:45,600 INFO L85 PathProgramCache]: Analyzing trace with hash 442445858, now seen corresponding path program 1 times [2021-12-07 01:19:45,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:45,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378802876] [2021-12-07 01:19:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:45,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:45,602 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:45,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-07 01:19:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:46,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1886 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:19:46,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-12-07 01:19:47,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:19:47,482 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:47,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378802876] [2021-12-07 01:19:47,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378802876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:47,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:47,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:19:47,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636025186] [2021-12-07 01:19:47,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:47,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:19:47,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:47,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:19:47,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:19:47,484 INFO L87 Difference]: Start difference. First operand 3563 states and 4822 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-07 01:19:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:48,213 INFO L93 Difference]: Finished difference Result 7148 states and 9672 transitions. [2021-12-07 01:19:48,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:19:48,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 194 [2021-12-07 01:19:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:48,231 INFO L225 Difference]: With dead ends: 7148 [2021-12-07 01:19:48,231 INFO L226 Difference]: Without dead ends: 3578 [2021-12-07 01:19:48,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:19:48,243 INFO L933 BasicCegarLoop]: 1744 mSDtfsCounter, 22 mSDsluCounter, 5219 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6963 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:48,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 6963 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:19:48,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3578 states. [2021-12-07 01:19:48,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3578 to 3558. [2021-12-07 01:19:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3558 states, 2608 states have (on average 1.3075153374233128) internal successors, (3410), 2653 states have internal predecessors, (3410), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2021-12-07 01:19:48,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 4812 transitions. [2021-12-07 01:19:48,359 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 4812 transitions. Word has length 194 [2021-12-07 01:19:48,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:48,359 INFO L470 AbstractCegarLoop]: Abstraction has 3558 states and 4812 transitions. [2021-12-07 01:19:48,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-07 01:19:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 4812 transitions. [2021-12-07 01:19:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-07 01:19:48,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:48,365 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:48,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-07 01:19:48,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:48,566 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:48,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1488410957, now seen corresponding path program 1 times [2021-12-07 01:19:48,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:48,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306086005] [2021-12-07 01:19:48,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:48,568 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:48,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:48,568 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:48,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-07 01:19:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:49,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 01:19:49,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-07 01:19:50,332 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:19:50,332 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:50,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306086005] [2021-12-07 01:19:50,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306086005] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:50,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:50,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:19:50,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267274779] [2021-12-07 01:19:50,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:50,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:19:50,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:50,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:19:50,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:19:50,334 INFO L87 Difference]: Start difference. First operand 3558 states and 4812 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-07 01:19:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:50,706 INFO L93 Difference]: Finished difference Result 8446 states and 11707 transitions. [2021-12-07 01:19:50,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:19:50,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 214 [2021-12-07 01:19:50,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:50,753 INFO L225 Difference]: With dead ends: 8446 [2021-12-07 01:19:50,753 INFO L226 Difference]: Without dead ends: 4891 [2021-12-07 01:19:50,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:19:50,763 INFO L933 BasicCegarLoop]: 2264 mSDtfsCounter, 436 mSDsluCounter, 10867 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 13131 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:50,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 13131 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:19:50,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4891 states. [2021-12-07 01:19:50,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4891 to 3582. [2021-12-07 01:19:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3582 states, 2628 states have (on average 1.3051750380517504) internal successors, (3430), 2673 states have internal predecessors, (3430), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2021-12-07 01:19:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4848 transitions. [2021-12-07 01:19:50,894 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4848 transitions. Word has length 214 [2021-12-07 01:19:50,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:50,894 INFO L470 AbstractCegarLoop]: Abstraction has 3582 states and 4848 transitions. [2021-12-07 01:19:50,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-07 01:19:50,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4848 transitions. [2021-12-07 01:19:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-07 01:19:50,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:50,900 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:50,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-07 01:19:51,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:51,101 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:51,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:51,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1523065739, now seen corresponding path program 1 times [2021-12-07 01:19:51,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:51,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435519559] [2021-12-07 01:19:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:51,104 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:51,106 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:51,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-07 01:19:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:52,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:19:52,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-07 01:19:52,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:19:52,914 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:52,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435519559] [2021-12-07 01:19:52,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435519559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:52,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:52,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:19:52,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103121583] [2021-12-07 01:19:52,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:52,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:19:52,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:52,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:19:52,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:19:52,916 INFO L87 Difference]: Start difference. First operand 3582 states and 4848 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 01:19:53,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:53,519 INFO L93 Difference]: Finished difference Result 7185 states and 9753 transitions. [2021-12-07 01:19:53,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:19:53,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 220 [2021-12-07 01:19:53,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:53,545 INFO L225 Difference]: With dead ends: 7185 [2021-12-07 01:19:53,545 INFO L226 Difference]: Without dead ends: 3586 [2021-12-07 01:19:53,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:19:53,559 INFO L933 BasicCegarLoop]: 1732 mSDtfsCounter, 6 mSDsluCounter, 6903 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8635 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:53,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 8635 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:19:53,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2021-12-07 01:19:53,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3586. [2021-12-07 01:19:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2632 states have (on average 1.3047112462006079) internal successors, (3434), 2677 states have internal predecessors, (3434), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2021-12-07 01:19:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 4852 transitions. [2021-12-07 01:19:53,685 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 4852 transitions. Word has length 220 [2021-12-07 01:19:53,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:53,685 INFO L470 AbstractCegarLoop]: Abstraction has 3586 states and 4852 transitions. [2021-12-07 01:19:53,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-07 01:19:53,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 4852 transitions. [2021-12-07 01:19:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-07 01:19:53,691 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:53,692 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:53,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-07 01:19:53,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:53,892 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:53,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2026463350, now seen corresponding path program 1 times [2021-12-07 01:19:53,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:53,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325732676] [2021-12-07 01:19:53,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:53,894 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:53,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:53,895 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:53,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-07 01:19:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:54,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 01:19:54,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:19:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-07 01:19:55,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:19:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-07 01:19:56,467 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:19:56,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325732676] [2021-12-07 01:19:56,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325732676] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:19:56,467 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:19:56,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-07 01:19:56,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050731421] [2021-12-07 01:19:56,467 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:19:56,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-07 01:19:56,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:19:56,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 01:19:56,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:19:56,469 INFO L87 Difference]: Start difference. First operand 3586 states and 4852 transitions. Second operand has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-07 01:19:57,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:57,585 INFO L93 Difference]: Finished difference Result 7213 states and 9785 transitions. [2021-12-07 01:19:57,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:19:57,586 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 221 [2021-12-07 01:19:57,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:57,612 INFO L225 Difference]: With dead ends: 7213 [2021-12-07 01:19:57,612 INFO L226 Difference]: Without dead ends: 3610 [2021-12-07 01:19:57,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:19:57,620 INFO L933 BasicCegarLoop]: 1733 mSDtfsCounter, 10 mSDsluCounter, 12090 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13823 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:57,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 13823 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-07 01:19:57,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2021-12-07 01:19:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3610. [2021-12-07 01:19:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3610 states, 2648 states have (on average 1.302870090634441) internal successors, (3450), 2693 states have internal predecessors, (3450), 706 states have call successors, (706), 252 states have call predecessors, (706), 255 states have return successors, (720), 691 states have call predecessors, (720), 704 states have call successors, (720) [2021-12-07 01:19:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3610 states to 3610 states and 4876 transitions. [2021-12-07 01:19:57,755 INFO L78 Accepts]: Start accepts. Automaton has 3610 states and 4876 transitions. Word has length 221 [2021-12-07 01:19:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:57,756 INFO L470 AbstractCegarLoop]: Abstraction has 3610 states and 4876 transitions. [2021-12-07 01:19:57,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-07 01:19:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3610 states and 4876 transitions. [2021-12-07 01:19:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-07 01:19:57,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:57,763 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:57,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-07 01:19:57,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:19:57,964 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:19:57,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:57,964 INFO L85 PathProgramCache]: Analyzing trace with hash -392715413, now seen corresponding path program 2 times [2021-12-07 01:19:57,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:19:57,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218820979] [2021-12-07 01:19:57,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:19:57,966 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:19:57,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:19:57,967 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:19:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-07 01:20:11,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-07 01:20:11,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:20:11,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1975 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:20:11,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:20:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-12-07 01:20:12,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:20:12,287 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:20:12,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218820979] [2021-12-07 01:20:12,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218820979] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:12,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:12,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:20:12,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527918560] [2021-12-07 01:20:12,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:12,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:20:12,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:20:12,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:20:12,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:20:12,289 INFO L87 Difference]: Start difference. First operand 3610 states and 4876 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-07 01:20:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:12,897 INFO L93 Difference]: Finished difference Result 9546 states and 12881 transitions. [2021-12-07 01:20:12,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:20:12,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 222 [2021-12-07 01:20:12,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:12,917 INFO L225 Difference]: With dead ends: 9546 [2021-12-07 01:20:12,917 INFO L226 Difference]: Without dead ends: 5939 [2021-12-07 01:20:12,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:20:12,924 INFO L933 BasicCegarLoop]: 2622 mSDtfsCounter, 1679 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 4173 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:12,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1679 Valid, 4173 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:20:12,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2021-12-07 01:20:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 5921. [2021-12-07 01:20:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5921 states, 4331 states have (on average 1.2980835834680213) internal successors, (5622), 4411 states have internal predecessors, (5622), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 425 states have return successors, (1191), 1134 states have call predecessors, (1191), 1162 states have call successors, (1191) [2021-12-07 01:20:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5921 states to 5921 states and 7977 transitions. [2021-12-07 01:20:13,092 INFO L78 Accepts]: Start accepts. Automaton has 5921 states and 7977 transitions. Word has length 222 [2021-12-07 01:20:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:13,092 INFO L470 AbstractCegarLoop]: Abstraction has 5921 states and 7977 transitions. [2021-12-07 01:20:13,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-07 01:20:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5921 states and 7977 transitions. [2021-12-07 01:20:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-07 01:20:13,100 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:13,100 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:13,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-07 01:20:13,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:20:13,301 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:20:13,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:13,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1583384332, now seen corresponding path program 1 times [2021-12-07 01:20:13,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:20:13,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734329184] [2021-12-07 01:20:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:13,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:20:13,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:20:13,304 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:20:13,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-07 01:20:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:14,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 01:20:14,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:20:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-07 01:20:15,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:20:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-12-07 01:20:16,587 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:20:16,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734329184] [2021-12-07 01:20:16,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734329184] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:20:16,587 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:20:16,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-12-07 01:20:16,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441777017] [2021-12-07 01:20:16,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:20:16,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-07 01:20:16,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:20:16,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 01:20:16,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-07 01:20:16,589 INFO L87 Difference]: Start difference. First operand 5921 states and 7977 transitions. Second operand has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-07 01:20:17,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:17,697 INFO L93 Difference]: Finished difference Result 11893 states and 16059 transitions. [2021-12-07 01:20:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 01:20:17,698 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 253 [2021-12-07 01:20:17,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:17,717 INFO L225 Difference]: With dead ends: 11893 [2021-12-07 01:20:17,717 INFO L226 Difference]: Without dead ends: 5927 [2021-12-07 01:20:17,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-12-07 01:20:17,730 INFO L933 BasicCegarLoop]: 1733 mSDtfsCounter, 15 mSDsluCounter, 8648 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 10381 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:17,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 10381 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-07 01:20:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5927 states. [2021-12-07 01:20:17,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5927 to 5927. [2021-12-07 01:20:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5927 states, 4337 states have (on average 1.297671201291215) internal successors, (5628), 4417 states have internal predecessors, (5628), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 425 states have return successors, (1191), 1134 states have call predecessors, (1191), 1162 states have call successors, (1191) [2021-12-07 01:20:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5927 states and 7983 transitions. [2021-12-07 01:20:17,931 INFO L78 Accepts]: Start accepts. Automaton has 5927 states and 7983 transitions. Word has length 253 [2021-12-07 01:20:17,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:17,931 INFO L470 AbstractCegarLoop]: Abstraction has 5927 states and 7983 transitions. [2021-12-07 01:20:17,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 15.363636363636363) internal successors, (169), 13 states have internal predecessors, (169), 4 states have call successors, (42), 2 states have call predecessors, (42), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-07 01:20:17,932 INFO L276 IsEmpty]: Start isEmpty. Operand 5927 states and 7983 transitions. [2021-12-07 01:20:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-07 01:20:17,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:17,939 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:17,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-07 01:20:18,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:20:18,140 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:20:18,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:18,141 INFO L85 PathProgramCache]: Analyzing trace with hash 496092909, now seen corresponding path program 2 times [2021-12-07 01:20:18,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:20:18,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409750902] [2021-12-07 01:20:18,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:20:18,142 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:20:18,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:20:18,143 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:20:18,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-07 01:20:18,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-07 01:20:18,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:20:19,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1809 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-07 01:20:19,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:20:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-12-07 01:20:20,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:20:20,096 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:20:20,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409750902] [2021-12-07 01:20:20,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409750902] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:20,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:20,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:20:20,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839309728] [2021-12-07 01:20:20,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:20,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:20:20,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:20:20,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:20:20,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:20:20,098 INFO L87 Difference]: Start difference. First operand 5927 states and 7983 transitions. Second operand has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 01:20:20,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:20,801 INFO L93 Difference]: Finished difference Result 13656 states and 18768 transitions. [2021-12-07 01:20:20,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 01:20:20,805 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) Word has length 254 [2021-12-07 01:20:20,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:20,822 INFO L225 Difference]: With dead ends: 13656 [2021-12-07 01:20:20,822 INFO L226 Difference]: Without dead ends: 7732 [2021-12-07 01:20:20,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:20:20,832 INFO L933 BasicCegarLoop]: 2221 mSDtfsCounter, 351 mSDsluCounter, 17349 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 19570 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:20,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 19570 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-07 01:20:20,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7732 states. [2021-12-07 01:20:21,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7732 to 5949. [2021-12-07 01:20:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5949 states, 4353 states have (on average 1.2965770732827935) internal successors, (5644), 4433 states have internal predecessors, (5644), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2021-12-07 01:20:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 8023 transitions. [2021-12-07 01:20:21,020 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 8023 transitions. Word has length 254 [2021-12-07 01:20:21,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:21,020 INFO L470 AbstractCegarLoop]: Abstraction has 5949 states and 8023 transitions. [2021-12-07 01:20:21,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.0) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-07 01:20:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 8023 transitions. [2021-12-07 01:20:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-12-07 01:20:21,027 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:21,027 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:21,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-07 01:20:21,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:20:21,228 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:20:21,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:21,229 INFO L85 PathProgramCache]: Analyzing trace with hash -791178202, now seen corresponding path program 1 times [2021-12-07 01:20:21,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:20:21,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615886486] [2021-12-07 01:20:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:21,231 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:20:21,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:20:21,231 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:20:21,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-07 01:20:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:22,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 2250 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:20:22,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:20:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-12-07 01:20:23,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:20:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-07 01:20:25,065 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:20:25,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615886486] [2021-12-07 01:20:25,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615886486] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:20:25,066 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 01:20:25,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-12-07 01:20:25,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009735267] [2021-12-07 01:20:25,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 01:20:25,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-07 01:20:25,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:20:25,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-07 01:20:25,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-12-07 01:20:25,067 INFO L87 Difference]: Start difference. First operand 5949 states and 8023 transitions. Second operand has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2021-12-07 01:20:26,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:26,607 INFO L93 Difference]: Finished difference Result 11949 states and 16151 transitions. [2021-12-07 01:20:26,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:20:26,608 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 274 [2021-12-07 01:20:26,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:26,626 INFO L225 Difference]: With dead ends: 11949 [2021-12-07 01:20:26,627 INFO L226 Difference]: Without dead ends: 5955 [2021-12-07 01:20:26,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-12-07 01:20:26,643 INFO L933 BasicCegarLoop]: 1731 mSDtfsCounter, 14 mSDsluCounter, 13800 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 15531 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:26,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 15531 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-07 01:20:26,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2021-12-07 01:20:26,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5955. [2021-12-07 01:20:26,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5955 states, 4359 states have (on average 1.2961688460656113) internal successors, (5650), 4439 states have internal predecessors, (5650), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2021-12-07 01:20:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 8029 transitions. [2021-12-07 01:20:26,835 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 8029 transitions. Word has length 274 [2021-12-07 01:20:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:26,836 INFO L470 AbstractCegarLoop]: Abstraction has 5955 states and 8029 transitions. [2021-12-07 01:20:26,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 14.384615384615385) internal successors, (187), 15 states have internal predecessors, (187), 4 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2021-12-07 01:20:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 8029 transitions. [2021-12-07 01:20:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-07 01:20:26,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:26,843 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:26,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-07 01:20:27,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:20:27,043 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:20:27,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:27,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1320991461, now seen corresponding path program 2 times [2021-12-07 01:20:27,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:20:27,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827240843] [2021-12-07 01:20:27,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-07 01:20:27,046 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:20:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:20:27,047 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:20:27,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-07 01:20:27,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-07 01:20:27,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-07 01:20:27,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 01:20:27,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:20:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-12-07 01:20:28,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:20:28,389 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-07 01:20:28,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827240843] [2021-12-07 01:20:28,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827240843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:28,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:28,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:20:28,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409292870] [2021-12-07 01:20:28,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:28,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:20:28,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-07 01:20:28,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:20:28,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:20:28,391 INFO L87 Difference]: Start difference. First operand 5955 states and 8029 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-07 01:20:29,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:29,167 INFO L93 Difference]: Finished difference Result 13668 states and 18782 transitions. [2021-12-07 01:20:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:20:29,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 275 [2021-12-07 01:20:29,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:29,185 INFO L225 Difference]: With dead ends: 13668 [2021-12-07 01:20:29,186 INFO L226 Difference]: Without dead ends: 7716 [2021-12-07 01:20:29,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:20:29,197 INFO L933 BasicCegarLoop]: 2223 mSDtfsCounter, 350 mSDsluCounter, 8450 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 10673 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:29,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 10673 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 01:20:29,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7716 states. [2021-12-07 01:20:29,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7716 to 5955. [2021-12-07 01:20:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5955 states, 4359 states have (on average 1.2957100252351457) internal successors, (5648), 4439 states have internal predecessors, (5648), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1215), 1140 states have call predecessors, (1215), 1162 states have call successors, (1215) [2021-12-07 01:20:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 8027 transitions. [2021-12-07 01:20:29,434 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 8027 transitions. Word has length 275 [2021-12-07 01:20:29,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:29,435 INFO L470 AbstractCegarLoop]: Abstraction has 5955 states and 8027 transitions. [2021-12-07 01:20:29,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-07 01:20:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 8027 transitions. [2021-12-07 01:20:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-07 01:20:29,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:29,446 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:29,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-07 01:20:29,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:20:29,647 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:20:29,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:29,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2097956829, now seen corresponding path program 1 times [2021-12-07 01:20:29,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-07 01:20:29,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339455900] [2021-12-07 01:20:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:29,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-07 01:20:29,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat [2021-12-07 01:20:29,651 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-07 01:20:29,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-07 01:21:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:21:25,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:23:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:23:44,305 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-07 01:23:44,305 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:23:44,305 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:23:44,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-07 01:23:44,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-07 01:23:44,517 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:44,525 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:23:44,590 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-07 01:23:44,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:23:44 BoogieIcfgContainer [2021-12-07 01:23:44,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:23:44,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:23:44,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:23:44,792 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:23:44,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:19:36" (3/4) ... [2021-12-07 01:23:44,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:23:44,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:23:44,795 INFO L158 Benchmark]: Toolchain (without parser) took 290972.31ms. Allocated memory was 56.6MB in the beginning and 474.0MB in the end (delta: 417.3MB). Free memory was 29.7MB in the beginning and 197.8MB in the end (delta: -168.1MB). Peak memory consumption was 249.7MB. Max. memory is 16.1GB. [2021-12-07 01:23:44,795 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:23:44,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3598.07ms. Allocated memory was 56.6MB in the beginning and 226.5MB in the end (delta: 169.9MB). Free memory was 29.5MB in the beginning and 113.0MB in the end (delta: -83.5MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. [2021-12-07 01:23:44,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.08ms. Allocated memory is still 226.5MB. Free memory was 113.0MB in the beginning and 87.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-07 01:23:44,796 INFO L158 Benchmark]: Boogie Preprocessor took 188.29ms. Allocated memory is still 226.5MB. Free memory was 87.8MB in the beginning and 124.4MB in the end (delta: -36.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-07 01:23:44,796 INFO L158 Benchmark]: RCFGBuilder took 39117.12ms. Allocated memory was 226.5MB in the beginning and 327.2MB in the end (delta: 100.7MB). Free memory was 124.4MB in the beginning and 82.9MB in the end (delta: 41.4MB). Peak memory consumption was 206.8MB. Max. memory is 16.1GB. [2021-12-07 01:23:44,796 INFO L158 Benchmark]: TraceAbstraction took 247879.82ms. Allocated memory was 327.2MB in the beginning and 474.0MB in the end (delta: 146.8MB). Free memory was 82.9MB in the beginning and 197.8MB in the end (delta: -114.9MB). Peak memory consumption was 128.4MB. Max. memory is 16.1GB. [2021-12-07 01:23:44,797 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 474.0MB. Free memory is still 197.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:23:44,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3598.07ms. Allocated memory was 56.6MB in the beginning and 226.5MB in the end (delta: 169.9MB). Free memory was 29.5MB in the beginning and 113.0MB in the end (delta: -83.5MB). Peak memory consumption was 120.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.08ms. Allocated memory is still 226.5MB. Free memory was 113.0MB in the beginning and 87.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.29ms. Allocated memory is still 226.5MB. Free memory was 87.8MB in the beginning and 124.4MB in the end (delta: -36.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 39117.12ms. Allocated memory was 226.5MB in the beginning and 327.2MB in the end (delta: 100.7MB). Free memory was 124.4MB in the beginning and 82.9MB in the end (delta: 41.4MB). Peak memory consumption was 206.8MB. Max. memory is 16.1GB. * TraceAbstraction took 247879.82ms. Allocated memory was 327.2MB in the beginning and 474.0MB in the end (delta: 146.8MB). Free memory was 82.9MB in the beginning and 197.8MB in the end (delta: -114.9MB). Peak memory consumption was 128.4MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 474.0MB. Free memory is still 197.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13209]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10111. Possible FailurePath: [L6776] int LDV_IN_INTERRUPT = 1; [L6777] struct file *xenvif_dbg_io_ring_ops_fops_group2 ; [L6778] struct net_device *xenvif_netdev_ops_group1 ; [L6779] struct inode *xenvif_dbg_io_ring_ops_fops_group1 ; [L6780] struct xenbus_device *netback_driver_group0 ; [L6781] int ldv_state_variable_0 ; [L6782] int ldv_state_variable_5 ; [L6783] int ldv_state_variable_3 ; [L6784] struct net_device *xenvif_ethtool_ops_group0 ; [L6785] int ldv_timer_state_1 = 0; [L6786] int ldv_state_variable_2 ; [L6787] int ref_cnt ; [L6788] int ldv_state_variable_1 ; [L6789] struct timer_list *ldv_timer_list_1 ; [L6790] int ldv_state_variable_4 ; [L7425] unsigned int xenvif_max_queues ; [L7497] bool separate_tx_rx_irq = 1; [L7498] unsigned int rx_drain_timeout_msecs = 10000U; [L7499] unsigned int rx_stall_timeout_msecs = 60000U; [L7500] static unsigned int fatal_skb_slots = 20U; [L10142] int ldv_retval_1 ; [L10411] struct dentry *xen_netback_dbg_root = (struct dentry *)0; [L10523-L10526] static struct file_operations const xenvif_dbg_io_ring_ops_fops = {& __this_module, & seq_lseek, & seq_read, & xenvif_write_io_ring, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_dump_open, 0, & single_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11582-L11583] static struct xenbus_device_id const netback_ids[2U] = { {{'v', 'i', 'f', '\000'}}, {{'\000'}}}; [L11584-L11587] static struct xenbus_driver netback_driver = {0, (struct xenbus_device_id const *)(& netback_ids), & netback_probe, & frontend_changed, & netback_remove, 0, 0, & netback_uevent, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L11602] int ldv_retval_0 ; [L11603] int ldv_retval_4 ; [L12362-L12371] static struct xenvif_stat const xenvif_stats[5U] = { {{'r', 'x', '_', 'g', 's', 'o', '_', 'c', 'h', 'e', 'c', 'k', 's', 'u', 'm', '_', 'f', 'i', 'x', 'u', 'p', '\000'}, 16U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'e', 'n', 't', '\000'}, 24U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'u', 'c', 'c', 'e', 's', 's', '\000'}, 32U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 'f', 'a', 'i', 'l', '\000'}, 40U}, {{'t', 'x', '_', 'f', 'r', 'a', 'g', '_', 'o', 'v', 'e', 'r', 'f', 'l', 'o', 'w', '\000'}, 48U}}; [L12445-L12448] static struct ethtool_ops const xenvif_ethtool_ops = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & ethtool_op_get_link, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_get_strings, 0, & xenvif_get_ethtool_stats, 0, 0, 0, 0, & xenvif_get_sset_count, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12449-L12454] static struct net_device_ops const xenvif_netdev_ops = {0, 0, & xenvif_open, & xenvif_close, (netdev_tx_t (*)(struct sk_buff * , struct net_device * ))(& xenvif_start_xmit), 0, 0, 0, & eth_mac_addr, & eth_validate_addr, 0, 0, & xenvif_change_mtu, 0, 0, 0, & xenvif_get_stats, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_fix_features, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12856] int ldv_retval_3 ; [L12857] int ldv_retval_2 ; [L13248] int ldv_module_refcounter = 1; VAL [__this_module={2048:-8935141110947184512}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10151] int tmp ; [L10152] int tmp___0 ; [L10154] FCALL ldv_initialize() [L10155] ldv_state_variable_4 = 0 [L10156] ldv_state_variable_1 = 1 [L10157] ref_cnt = 0 [L10158] ldv_state_variable_0 = 1 [L10159] ldv_state_variable_3 = 0 [L10160] ldv_state_variable_2 = 0 [L10161] ldv_state_variable_5 = 0 VAL [__this_module={2048:-8935141110947184512}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={2048:-8935141110947184512}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={2048:-8935141110947184512}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10186] COND TRUE ldv_state_variable_0 == 1 [L10187] CALL, EXPR netback_init() [L10090] int rc ; [L10091] long tmp ; [L10092] bool tmp___0 ; [L10094] rc = 0 VAL [__this_module={2048:-8935141110947184512}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10095] COND FALSE !((unsigned int )xen_domain_type == 0U) [L10099] CALL, EXPR cpumask_weight(cpu_online_mask) [L6561] int tmp ; [L6563] CALL, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6551] int tmp___0 ; [L6553] CALL, EXPR __bitmap_weight(src, nbits) [L13332] return __VERIFIER_nondet_int(); [L6553] RET, EXPR __bitmap_weight(src, nbits) [L6553] tmp___0 = __bitmap_weight(src, nbits) [L6554] return (tmp___0); VAL [\old(nbits)=246, \result=247, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, nbits=246, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={245:246}, src={245:246}, tmp___0=247, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6563] RET, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6563] tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6564] return ((unsigned int )tmp); VAL [\result=247, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={245:246}, srcp={245:246}, tmp=247, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10099] RET, EXPR cpumask_weight(cpu_online_mask) [L10099] xenvif_max_queues = cpumask_weight(cpu_online_mask) [L10100] COND FALSE !(fatal_skb_slots <= 17U) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] CALL, EXPR xenvif_xenbus_init() [L11590] int tmp ; [L11592] CALL, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L13376] return __VERIFIER_nondet_int(); [L11592] RET, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11592] tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11593] return (tmp); VAL [\result=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={2048:-8935141110947184512}, arg0={69:0}, arg1={0:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND TRUE tmp___0 != 0 [L6700] return ((void *)0); VAL [\old(size)=300, \result={0:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=2147483648, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={2048:-8935141110947184512}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct dentry))={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, debugfs_create_dir("xen-netback", (struct dentry *)0)={0:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0) [L10112] CALL, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10253] RET, EXPR ldv_is_err_or_null(ptr) [L10253] tmp = ldv_is_err_or_null(ptr) [L10254] return (tmp); VAL [\result=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, IS_ERR_OR_NULL((void const *)xen_netback_dbg_root)=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, PTR_ERR((void const *)xen_netback_dbg_root)=2012, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, tmp___0=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10187] RET, EXPR netback_init() [L10187] ldv_retval_1 = netback_init() [L10188] COND TRUE ldv_retval_1 == 0 [L10189] ldv_state_variable_0 = 3 [L10190] ldv_state_variable_5 = 1 [L10191] CALL ldv_file_operations_5() [L11615] void *tmp ; [L11616] void *tmp___0 ; VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={32811:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={32811:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={32811:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={32811:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={32811:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={32811:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={32811:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1000, \result={32811:0}, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={32811:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={32811:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={32811:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={32811:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={32811:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={584115558441:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={584115558441:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={584115558441:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={584115558441:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={584115558441:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={584115558441:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={584115558441:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=504, \result={584115558441:0}, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={584115558441:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={584115558441:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={584115558441:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={584115558441:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={32811:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={32811:0}, tmp___0={584115558441:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10191] RET ldv_file_operations_5() [L10192] ldv_state_variable_3 = 1 [L10193] CALL ldv_initialize_ethtool_ops_3() [L12896] void *tmp ; VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={249:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={249:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={249:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={249:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={249:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={249:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={249:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=3008, \result={249:0}, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={249:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={249:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={249:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={249:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={249:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10193] RET ldv_initialize_ethtool_ops_3() [L10194] ldv_state_variable_4 = 1 [L10195] CALL ldv_initialize_xenbus_driver_4() [L11606] void *tmp ; VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={254:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={254:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={254:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={254:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={254:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={254:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={254:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1664, \result={254:0}, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={254:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, p={254:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={254:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={254:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={254:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, tmp___0=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10166] COND TRUE ldv_state_variable_4 != 0 [L10167] CALL ldv_main_exported_4() [L11627] struct xenbus_device_id *ldvarg2 ; [L11628] void *tmp ; [L11629] enum xenbus_state ldvarg0 ; [L11630] struct kobj_uevent_env *ldvarg1 ; [L11631] void *tmp___0 ; [L11632] int tmp___1 ; VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={584384169248:0}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={2471:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={2471:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={2471:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={2471:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={2471:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={2471:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={2471:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=32, \result={2471:0}, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={2471:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={2471:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={2471:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={2471:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={584384169248:0}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={584384169248:0}, ldvarg2={2471:0}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={2471:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={447750345760:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={447750345760:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={447750345760:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={447750345760:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={447750345760:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={447750345760:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={447750345760:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=2336, \result={447750345760:0}, __this_module={2048:-8935141110947184512}, calloc(1UL, size)={447750345760:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={447750345760:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={447750345760:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={447750345760:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={584384169248:0}, ldvarg2={2471:0}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={2471:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={584384169248:0}, ldvarg1={447750345760:0}, ldvarg2={2471:0}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={2471:0}, tmp___0={447750345760:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=null, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={584384169248:0}, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=null, __this_module={2048:-8935141110947184512}, c=0, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=null, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={584384169248:0}, s={584384169248:0}, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=null, __this_module={2048:-8935141110947184512}, c=0, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, memset(s, c, n)={584384169248:0}, n=null, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={584384169248:0}, s={584384169248:0}, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=null, \result={584384169248:0}, __this_module={2048:-8935141110947184512}, c=0, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=null, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={584384169248:0}, s={584384169248:0}, separate_tx_rx_irq=1, tmp={584384169248:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={584384169248:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={584384169248:0}, ldvarg1={447750345760:0}, ldvarg2={2471:0}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={2471:0}, tmp___0={447750345760:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={584384169248:0}, ldvarg1={447750345760:0}, ldvarg2={2471:0}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={2471:0}, tmp___0={447750345760:0}, tmp___1=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11642] COND TRUE ldv_state_variable_4 == 1 [L11643] CALL netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2) [L10632] char const *message ; [L10633] struct xenbus_transaction xbt ; [L10634] int err ; [L10635] int sg ; [L10636] char const *script ; [L10637] struct backend_info *be ; [L10638] void *tmp ; [L10639] struct xenbus_transaction __constr_expr_0 ; [L10640] struct _ddebug descriptor ; [L10641] long tmp___0 ; [L10642] struct xenbus_transaction __constr_expr_1 ; [L10643] struct _ddebug descriptor___0 ; [L10644] long tmp___1 ; [L10645] struct xenbus_transaction __constr_expr_2 ; [L10646] void *tmp___2 ; [L10647] long tmp___3 ; [L10648] bool tmp___4 ; [L10649] struct _ddebug descriptor___1 ; [L10650] long tmp___5 ; VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=32976, \old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND FALSE !(tmp___0 != 0) [L6702] tmp = malloc(size) [L6703] p = tmp VAL [\old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={1896:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={1896:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11777] bool tmp ; VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={1896:0}, ptr={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={1896:0}, ptr={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={1896:0}, ptr={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ptr={1896:0}, ptr={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={1896:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={2048:-8935141110947184512}, cond=1, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={1896:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6706] return (p); VAL [\old(size)=72, \result={1896:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, p={1896:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={1896:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=null, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={1896:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=null, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=32976, \old(size)=72, \result={1896:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, flags=32976, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={1896:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={1896:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, id={2471:0}, id={2471:0}, kzalloc(72UL, 208U)={1896:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, data={1896:0}, dev={254:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10323] dev->driver_data = data VAL [__this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, data={1896:0}, data={1896:0}, dev={254:60}, dev={254:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10661] sg = 1 VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={1896:0}, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10663] CALL, EXPR xenbus_transaction_start(& xbt) [L13713] return __VERIFIER_nondet_int(); [L10663] RET, EXPR xenbus_transaction_start(& xbt) [L10663] err = xenbus_transaction_start(& xbt) [L10664] COND TRUE err != 0 VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, err=2147483648, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={1896:0}, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10779] descriptor___1.modname = "xen_netback" [L10780] descriptor___1.function = "netback_probe" [L10781] descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c" [L10782] descriptor___1.format = "failed\n" [L10783] descriptor___1.lineno = 380U [L10784] descriptor___1.flags = 0U [L10785] EXPR descriptor___1.flags VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, descriptor___1.flags=0, dev={254:0}, dev={254:0}, err=2147483648, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={1896:0}, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={2048:-8935141110947184512}, c=0, cpu_online_mask={245:246}, exp=0, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, descriptor___1.flags=0, dev={254:0}, dev={254:0}, err=2147483648, fatal_skb_slots=20, id={2471:0}, id={2471:0}, ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={1896:0}, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND FALSE !(tmp___5 != 0L) VAL [__constr_expr_0={824633859881:0}, __constr_expr_1={824633857053:0}, __constr_expr_2={824633862680:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, descriptor={144115462953900649:0}, descriptor___0={824635953912:0}, descriptor___1={4611686851651338654:0}, dev={254:0}, dev={254:0}, err=2147483648, fatal_skb_slots=20, id={2471:0}, id={2471:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={1896:0}, tmp___5=0, xbt={858993591224:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10790] CALL netback_remove(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10607] struct backend_info *be ; [L10608] void *tmp ; [L10609] struct xenbus_transaction __constr_expr_0 ; VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] CALL, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, dev={254:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10317] EXPR dev->driver_data [L10317] return ((void *)dev->driver_data); [L10611] RET, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, dev_get_drvdata((struct device const *)(& dev->dev))={1896:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] tmp = dev_get_drvdata((struct device const *)(& dev->dev)) [L10612] be = (struct backend_info *)tmp VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10613] CALL set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] EXPR be->state VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, \old(state)=6, __this_module={2048:-8935141110947184512}, be={1896:0}, be={1896:0}, be->state=6, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, state=6, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] COND FALSE !((unsigned int )be->state != (unsigned int )state) [L10613] RET set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] CALL unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] EXPR (unsigned char *)be + 56UL VAL [(unsigned char *)be + 56UL=0, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, be={1896:0}, be={1896:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] COND FALSE !((unsigned int )*((unsigned char *)be + 56UL) != 0U) [L11233] be->have_hotplug_status_watch = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, be={1896:0}, be={1896:0}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] RET unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, be->vif={-3385581019808625584:-46}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] COND TRUE (unsigned long )be->vif != (unsigned long )((struct xenvif *)0) [L10616] CALL kobject_uevent(& dev->dev.kobj, 5) VAL [\old(arg1)=5, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, arg0={254:76}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13496] return __VERIFIER_nondet_int(); [L10616] RET kobject_uevent(& dev->dev.kobj, 5) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=248, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, be->vif={-3385581019808625584:-46}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] CALL xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={-3385581019808625584:-46}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] EXPR vif->credit_watch.node VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={-3385581019808625584:-46}, vif={-3385581019808625584:-46}, vif->credit_watch.node={1125899973951488:-1125899973951488}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] COND FALSE !((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) [L10617] RET xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __constr_expr_0={-9223371761974635792:0}, __this_module={2048:-8935141110947184512}, be={1896:0}, be->vif={-3385581019808625584:-46}, cpu_online_mask={245:246}, dev={254:0}, dev={254:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1896:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10618] __constr_expr_0.id = 0U [L10619] EXPR dev->nodename [L10619] CALL xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L13694] return __VERIFIER_nondet_int(); [L10619] RET xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L10620] EXPR be->vif [L10620] CALL xenvif_free(be->vif) [L12828] struct xenvif_queue *queue ; [L12829] unsigned int num_queues ; [L12830] unsigned int queue_index ; [L12832] queue = (struct xenvif_queue *)0 [L12833] EXPR vif->num_queues [L12833] num_queues = vif->num_queues [L12834] EXPR vif->dev [L12834] CALL ldv_unregister_netdev_22(vif->dev) [L13184] FCALL unregister_netdev(dev) [L13185] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, dev={38280757357053184:142807801856}, dev={38280757357053184:142807801856}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12834] RET ldv_unregister_netdev_22(vif->dev) [L12835] queue_index = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={-3385581019808625584:-46}, vif={-3385581019808625584:-46}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12842] COND FALSE !(queue_index < num_queues) [L12846] EXPR vif->queues VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={-3385581019808625584:-46}, vif={-3385581019808625584:-46}, vif->queues={131328:1125917153824768}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12846] FCALL vfree((void const *)vif->queues) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={-3385581019808625584:-46}, vif={-3385581019808625584:-46}, vif->queues={131328:1125917153824768}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12847] vif->queues = (struct xenvif_queue *)0 [L12848] vif->num_queues = 0U [L12849] EXPR vif->dev [L12849] CALL ldv_free_netdev_23(vif->dev) [L13192] FCALL free_netdev(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, dev={38280757357053184:142807801856}, dev={38280757357053184:142807801856}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13193] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, dev={38280757357053184:142807801856}, dev={38280757357053184:142807801856}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12849] RET ldv_free_netdev_23(vif->dev) [L12850] CALL ldv_module_put_24(& __this_module) [L13200] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={2048:-8935141110947184512}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13279] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={2048:-8935141110947184512}, module={2048:-8935141110947184512}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13280] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={2048:-8935141110947184512}, module={2048:-8935141110947184512}, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13281] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13209] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=null, \old(ldv_timer_list_1)=null, \old(ldv_timer_state_1)=0, __this_module={2048:-8935141110947184512}, cpu_online_mask={245:246}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={254:0}, netback_ids={240:0}, nr_cpu_ids=246, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={32811:0}, xenvif_dbg_io_ring_ops_fops_group2={584115558441:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={249:0}, xenvif_max_queues=247, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1308 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 247.6s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7329 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7076 mSDsluCounter, 117232 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91848 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 786 IncrementalHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 25384 mSDtfsCounter, 786 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3382 GetRequests, 3300 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5955occurred in iteration=12, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 4914 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 75.5s SatisfiabilityAnalysisTime, 14.8s InterpolantComputationTime, 2906 NumberOfCodeBlocks, 2596 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3363 ConstructedInterpolants, 0 QuantifiedInterpolants, 4109 SizeOfPredicates, 30 NumberOfNonLiveVariables, 24259 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 3181/3201 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-07 01:23:44,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c67660-b5d1-4cfb-8423-7de2f34b1585/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample