./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.1-dev-0f8a17c [2021-11-17 02:58:27,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 02:58:27,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 02:58:27,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 02:58:27,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 02:58:27,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 02:58:27,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 02:58:27,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 02:58:27,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 02:58:27,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 02:58:27,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 02:58:27,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 02:58:27,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 02:58:27,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 02:58:27,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 02:58:27,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 02:58:27,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 02:58:27,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 02:58:27,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 02:58:27,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 02:58:27,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 02:58:27,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 02:58:27,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 02:58:27,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 02:58:27,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 02:58:27,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 02:58:27,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 02:58:27,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 02:58:27,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 02:58:27,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 02:58:27,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 02:58:27,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 02:58:27,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 02:58:27,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 02:58:27,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 02:58:27,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 02:58:27,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 02:58:27,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 02:58:27,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 02:58:27,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 02:58:27,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 02:58:27,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 02:58:27,806 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 02:58:27,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 02:58:27,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 02:58:27,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 02:58:27,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 02:58:27,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 02:58:27,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 02:58:27,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 02:58:27,812 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 02:58:27,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 02:58:27,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 02:58:27,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 02:58:27,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 02:58:27,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 02:58:27,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 02:58:27,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 02:58:27,815 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 02:58:27,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 02:58:27,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 02:58:27,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 02:58:27,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 02:58:27,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 02:58:27,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 02:58:27,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 02:58:27,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 02:58:27,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 02:58:27,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 02:58:27,817 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 02:58:27,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 02:58:27,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 02:58:27,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 02:58:27,818 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-11-17 02:58:28,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 02:58:28,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 02:58:28,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 02:58:28,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 02:58:28,143 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 02:58:28,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-11-17 02:58:28,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dea4344f/9ab2e062c3c141eba3b4dfed41e0a251/FLAG3f971af92 [2021-11-17 02:58:29,241 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 02:58:29,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-11-17 02:58:29,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dea4344f/9ab2e062c3c141eba3b4dfed41e0a251/FLAG3f971af92 [2021-11-17 02:58:29,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dea4344f/9ab2e062c3c141eba3b4dfed41e0a251 [2021-11-17 02:58:29,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 02:58:29,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 02:58:29,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 02:58:29,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 02:58:29,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 02:58:29,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:58:29" (1/1) ... [2021-11-17 02:58:29,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e772b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:29, skipping insertion in model container [2021-11-17 02:58:29,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:58:29" (1/1) ... [2021-11-17 02:58:29,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 02:58:29,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 02:58:34,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 02:58:34,278 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 02:58:34,354 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 02:58:35,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 02:58:35,089 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 02:58:35,282 INFO L208 MainTranslator]: Completed translation [2021-11-17 02:58:35,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35 WrapperNode [2021-11-17 02:58:35,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 02:58:35,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 02:58:35,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 02:58:35,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 02:58:35,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,592 INFO L137 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4477 [2021-11-17 02:58:35,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 02:58:35,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 02:58:35,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 02:58:35,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 02:58:35,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 02:58:35,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 02:58:35,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 02:58:35,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 02:58:35,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (1/1) ... [2021-11-17 02:58:35,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 02:58:35,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 02:58:35,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 02:58:35,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 02:58:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 02:58:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 02:58:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 02:58:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-11-17 02:58:35,981 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-11-17 02:58:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-17 02:58:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-17 02:58:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 02:58:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 02:58:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-11-17 02:58:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-11-17 02:58:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-17 02:58:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-17 02:58:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-11-17 02:58:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-11-17 02:58:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 02:58:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 02:58:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-11-17 02:58:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-11-17 02:58:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-11-17 02:58:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-11-17 02:58:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 02:58:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 02:58:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-11-17 02:58:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-11-17 02:58:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 02:58:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 02:58:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-11-17 02:58:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-11-17 02:58:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-17 02:58:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-17 02:58:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 02:58:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 02:58:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 02:58:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 02:58:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-11-17 02:58:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-11-17 02:58:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 02:58:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 02:58:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-11-17 02:58:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-11-17 02:58:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 02:58:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-17 02:58:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-17 02:58:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 02:58:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 02:58:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 02:58:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 02:58:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 02:58:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-17 02:58:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-17 02:58:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 02:58:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 02:58:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 02:58:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 02:58:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 02:58:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-11-17 02:58:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-11-17 02:58:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 02:58:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 02:58:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 02:58:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-11-17 02:58:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-11-17 02:58:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-17 02:58:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-17 02:58:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-11-17 02:58:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-11-17 02:58:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-11-17 02:58:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-11-17 02:58:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 02:58:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 02:58:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 02:58:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 02:58:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-11-17 02:58:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-11-17 02:58:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 02:58:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-11-17 02:58:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-11-17 02:58:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 02:58:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 02:58:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-11-17 02:58:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-11-17 02:58:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-17 02:58:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-17 02:58:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-17 02:58:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-17 02:58:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-11-17 02:58:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-11-17 02:58:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 02:58:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 02:58:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 02:58:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 02:58:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 02:58:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 02:58:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 02:58:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 02:58:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 02:58:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 02:58:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-11-17 02:58:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-11-17 02:58:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 02:58:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 02:58:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 02:58:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 02:58:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-11-17 02:58:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-11-17 02:58:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 02:58:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 02:58:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-17 02:58:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-17 02:58:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-17 02:58:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-17 02:58:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-17 02:58:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-17 02:58:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-17 02:58:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-17 02:58:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 02:58:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 02:58:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-11-17 02:58:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-11-17 02:58:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-11-17 02:58:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-11-17 02:58:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 02:58:36,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 02:58:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 02:58:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 02:58:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 02:58:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 02:58:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-17 02:58:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-17 02:58:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 02:58:36,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 02:58:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-11-17 02:58:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-11-17 02:58:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-11-17 02:58:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-11-17 02:58:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 02:58:36,017 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 02:58:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 02:58:36,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 02:58:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 02:58:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-11-17 02:58:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-11-17 02:58:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 02:58:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-11-17 02:58:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-11-17 02:58:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-17 02:58:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-17 02:58:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-11-17 02:58:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-11-17 02:58:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 02:58:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 02:58:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 02:58:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 02:58:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 02:58:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 02:58:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 02:58:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 02:58:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 02:58:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-11-17 02:58:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-11-17 02:58:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 02:58:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 02:58:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-11-17 02:58:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-11-17 02:58:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 02:58:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 02:58:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 02:58:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 02:58:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 02:58:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 02:58:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 02:58:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-17 02:58:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-17 02:58:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-11-17 02:58:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-11-17 02:58:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 02:58:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 02:58:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 02:58:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 02:58:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 02:58:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 02:58:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 02:58:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 02:58:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 02:58:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 02:58:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 02:58:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 02:58:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 02:58:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-11-17 02:58:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-11-17 02:58:36,734 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 02:58:36,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 02:58:37,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 02:58:45,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 02:58:45,712 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 02:58:45,712 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 02:58:45,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:58:45 BoogieIcfgContainer [2021-11-17 02:58:45,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 02:58:45,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 02:58:45,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 02:58:45,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 02:58:45,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:58:29" (1/3) ... [2021-11-17 02:58:45,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b21f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:58:45, skipping insertion in model container [2021-11-17 02:58:45,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:58:35" (2/3) ... [2021-11-17 02:58:45,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b21f6d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:58:45, skipping insertion in model container [2021-11-17 02:58:45,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:58:45" (3/3) ... [2021-11-17 02:58:45,726 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 [2021-11-17 02:58:45,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 02:58:45,732 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 02:58:45,783 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 02:58:45,790 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 [2021-11-17 02:58:45,791 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 02:58:45,838 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) [2021-11-17 02:58:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-17 02:58:45,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:58:45,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:58:45,847 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:58:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:58:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1510187125, now seen corresponding path program 1 times [2021-11-17 02:58:45,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:58:45,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745147267] [2021-11-17 02:58:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:58:45,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:58:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 02:58:46,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:58:46,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745147267] [2021-11-17 02:58:46,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745147267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:58:46,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:58:46,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-17 02:58:46,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971038921] [2021-11-17 02:58:46,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:58:46,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 02:58:46,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:58:46,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 02:58:46,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 02:58:46,541 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) [2021-11-17 02:58:46,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:58:46,863 INFO L93 Difference]: Finished difference Result 3905 states and 5464 transitions. [2021-11-17 02:58:46,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 02:58:46,866 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 [2021-11-17 02:58:46,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:58:46,911 INFO L225 Difference]: With dead ends: 3905 [2021-11-17 02:58:46,911 INFO L226 Difference]: Without dead ends: 2553 [2021-11-17 02:58:46,934 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 [2021-11-17 02:58:46,944 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 [2021-11-17 02:58:46,945 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] [2021-11-17 02:58:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2021-11-17 02:58:47,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2550. [2021-11-17 02:58:47,181 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) [2021-11-17 02:58:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3466 transitions. [2021-11-17 02:58:47,215 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3466 transitions. Word has length 19 [2021-11-17 02:58:47,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:58:47,216 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 3466 transitions. [2021-11-17 02:58:47,217 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) [2021-11-17 02:58:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3466 transitions. [2021-11-17 02:58:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 02:58:47,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:58:47,237 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] [2021-11-17 02:58:47,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 02:58:47,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:58:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:58:47,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1054431279, now seen corresponding path program 1 times [2021-11-17 02:58:47,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:58:47,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215598150] [2021-11-17 02:58:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:58:47,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:58:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:58:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:58:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:58:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 02:58:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:58:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:58:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 02:58:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:58:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 02:58:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 02:58:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:58:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 02:58:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 02:58:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 02:58:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 02:58:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:58:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-17 02:58:47,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:58:47,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215598150] [2021-11-17 02:58:47,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215598150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:58:47,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:58:47,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 02:58:47,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343041035] [2021-11-17 02:58:47,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:58:47,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 02:58:47,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:58:47,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 02:58:47,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-17 02:58:47,933 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) [2021-11-17 02:58:51,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:58:53,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:58:58,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:58:59,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:01,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:04,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:59:04,325 INFO L93 Difference]: Finished difference Result 6629 states and 9102 transitions. [2021-11-17 02:59:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 02:59:04,326 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 [2021-11-17 02:59:04,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:59:04,359 INFO L225 Difference]: With dead ends: 6629 [2021-11-17 02:59:04,359 INFO L226 Difference]: Without dead ends: 4082 [2021-11-17 02:59:04,376 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 [2021-11-17 02:59:04,378 INFO L933 BasicCegarLoop]: 1733 mSDtfsCounter, 1492 mSDsluCounter, 2895 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 603 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 4628 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-11-17 02:59:04,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1592 Valid, 4628 Invalid, 2458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [603 Valid, 1852 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2021-11-17 02:59:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2021-11-17 02:59:04,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 3560. [2021-11-17 02:59:04,572 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) [2021-11-17 02:59:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4825 transitions. [2021-11-17 02:59:04,598 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4825 transitions. Word has length 106 [2021-11-17 02:59:04,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:59:04,599 INFO L470 AbstractCegarLoop]: Abstraction has 3560 states and 4825 transitions. [2021-11-17 02:59:04,599 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) [2021-11-17 02:59:04,600 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4825 transitions. [2021-11-17 02:59:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-17 02:59:04,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:59:04,614 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] [2021-11-17 02:59:04,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 02:59:04,614 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:59:04,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:59:04,615 INFO L85 PathProgramCache]: Analyzing trace with hash 772852535, now seen corresponding path program 1 times [2021-11-17 02:59:04,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:59:04,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230801737] [2021-11-17 02:59:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:59:04,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:59:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 02:59:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 02:59:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 02:59:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 02:59:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 02:59:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 02:59:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 02:59:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 02:59:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 02:59:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 02:59:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 02:59:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 02:59:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 02:59:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 02:59:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 02:59:05,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:59:05,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230801737] [2021-11-17 02:59:05,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230801737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:59:05,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:59:05,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 02:59:05,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916140162] [2021-11-17 02:59:05,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:59:05,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 02:59:05,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:59:05,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 02:59:05,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-17 02:59:05,243 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) [2021-11-17 02:59:07,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:09,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:11,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:13,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:16,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:18,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:20,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:24,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:28,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:59:28,640 INFO L93 Difference]: Finished difference Result 7644 states and 10470 transitions. [2021-11-17 02:59:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 02:59:28,641 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 [2021-11-17 02:59:28,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:59:28,670 INFO L225 Difference]: With dead ends: 7644 [2021-11-17 02:59:28,670 INFO L226 Difference]: Without dead ends: 4081 [2021-11-17 02:59:28,690 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 [2021-11-17 02:59:28,691 INFO L933 BasicCegarLoop]: 1638 mSDtfsCounter, 518 mSDsluCounter, 4898 mSDsCounter, 0 mSdLazyCounter, 2614 mSolverCounterSat, 372 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 6536 SdHoareTripleChecker+Invalid, 2991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 2614 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-11-17 02:59:28,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [561 Valid, 6536 Invalid, 2991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [372 Valid, 2614 Invalid, 5 Unknown, 0 Unchecked, 22.9s Time] [2021-11-17 02:59:28,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4081 states. [2021-11-17 02:59:28,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4081 to 3563. [2021-11-17 02:59:28,848 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) [2021-11-17 02:59:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4826 transitions. [2021-11-17 02:59:28,871 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4826 transitions. Word has length 185 [2021-11-17 02:59:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:59:28,874 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 4826 transitions. [2021-11-17 02:59:28,874 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) [2021-11-17 02:59:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4826 transitions. [2021-11-17 02:59:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-17 02:59:28,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:59:28,884 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] [2021-11-17 02:59:28,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 02:59:28,885 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:59:28,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:59:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1258493088, now seen corresponding path program 1 times [2021-11-17 02:59:28,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:59:28,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958418593] [2021-11-17 02:59:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:59:28,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:59:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 02:59:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 02:59:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 02:59:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 02:59:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 02:59:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 02:59:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 02:59:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 02:59:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 02:59:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 02:59:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:59:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 02:59:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 02:59:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 02:59:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 02:59:29,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:59:29,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958418593] [2021-11-17 02:59:29,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958418593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:59:29,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:59:29,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 02:59:29,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980056571] [2021-11-17 02:59:29,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:59:29,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 02:59:29,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:59:29,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 02:59:29,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-17 02:59:29,605 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) [2021-11-17 02:59:31,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:34,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:36,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:43,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:59:43,766 INFO L93 Difference]: Finished difference Result 10343 states and 14184 transitions. [2021-11-17 02:59:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 02:59:43,767 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 [2021-11-17 02:59:43,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:59:43,808 INFO L225 Difference]: With dead ends: 10343 [2021-11-17 02:59:43,809 INFO L226 Difference]: Without dead ends: 6783 [2021-11-17 02:59:43,827 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 [2021-11-17 02:59:43,828 INFO L933 BasicCegarLoop]: 1782 mSDtfsCounter, 3918 mSDsluCounter, 3803 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 1824 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4166 SdHoareTripleChecker+Valid, 5585 SdHoareTripleChecker+Invalid, 4637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1824 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-11-17 02:59:43,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4166 Valid, 5585 Invalid, 4637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1824 Valid, 2812 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2021-11-17 02:59:43,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6783 states. [2021-11-17 02:59:44,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6783 to 5852. [2021-11-17 02:59:44,099 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) [2021-11-17 02:59:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 7907 transitions. [2021-11-17 02:59:44,125 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 7907 transitions. Word has length 194 [2021-11-17 02:59:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:59:44,128 INFO L470 AbstractCegarLoop]: Abstraction has 5852 states and 7907 transitions. [2021-11-17 02:59:44,128 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) [2021-11-17 02:59:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 7907 transitions. [2021-11-17 02:59:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-17 02:59:44,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:59:44,138 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] [2021-11-17 02:59:44,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 02:59:44,139 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:59:44,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:59:44,139 INFO L85 PathProgramCache]: Analyzing trace with hash -322687177, now seen corresponding path program 1 times [2021-11-17 02:59:44,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:59:44,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486527115] [2021-11-17 02:59:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:59:44,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:59:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 02:59:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 02:59:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 02:59:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 02:59:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 02:59:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 02:59:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 02:59:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 02:59:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 02:59:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 02:59:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 02:59:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 02:59:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 02:59:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 02:59:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 02:59:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 02:59:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 02:59:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 02:59:44,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:59:44,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486527115] [2021-11-17 02:59:44,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486527115] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:59:44,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:59:44,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 02:59:44,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273003224] [2021-11-17 02:59:44,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:59:44,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 02:59:44,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:59:44,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 02:59:44,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-17 02:59:44,765 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) [2021-11-17 02:59:46,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:48,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:51,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:54,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:59:56,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:59:56,139 INFO L93 Difference]: Finished difference Result 12637 states and 17289 transitions. [2021-11-17 02:59:56,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 02:59:56,140 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 [2021-11-17 02:59:56,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:59:56,179 INFO L225 Difference]: With dead ends: 12637 [2021-11-17 02:59:56,180 INFO L226 Difference]: Without dead ends: 6788 [2021-11-17 02:59:56,205 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 [2021-11-17 02:59:56,206 INFO L933 BasicCegarLoop]: 1624 mSDtfsCounter, 3690 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 2029 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3896 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2029 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-17 02:59:56,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3896 Valid, 3252 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2029 Valid, 1004 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2021-11-17 02:59:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6788 states. [2021-11-17 02:59:56,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6788 to 5852. [2021-11-17 02:59:56,457 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) [2021-11-17 02:59:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 7901 transitions. [2021-11-17 02:59:56,478 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 7901 transitions. Word has length 225 [2021-11-17 02:59:56,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:59:56,479 INFO L470 AbstractCegarLoop]: Abstraction has 5852 states and 7901 transitions. [2021-11-17 02:59:56,480 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) [2021-11-17 02:59:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 7901 transitions. [2021-11-17 02:59:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-17 02:59:56,489 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:59:56,489 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] [2021-11-17 02:59:56,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 02:59:56,490 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:59:56,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:59:56,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1898259317, now seen corresponding path program 1 times [2021-11-17 02:59:56,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:59:56,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502082931] [2021-11-17 02:59:56,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:59:56,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:59:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 02:59:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 02:59:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 02:59:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 02:59:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 02:59:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 02:59:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:59:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 02:59:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 02:59:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:59:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 02:59:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 02:59:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 02:59:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 02:59:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 02:59:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 02:59:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 02:59:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 02:59:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 02:59:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:59:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-17 02:59:57,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:59:57,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502082931] [2021-11-17 02:59:57,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502082931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:59:57,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:59:57,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-17 02:59:57,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430789013] [2021-11-17 02:59:57,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:59:57,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-17 02:59:57,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:59:57,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-17 02:59:57,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-11-17 02:59:57,300 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) [2021-11-17 02:59:59,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:01,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:03,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:07,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:08,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:13,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:17,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:20,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:00:20,896 INFO L93 Difference]: Finished difference Result 14399 states and 20114 transitions. [2021-11-17 03:00:20,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-17 03:00:20,897 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 [2021-11-17 03:00:20,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:00:20,949 INFO L225 Difference]: With dead ends: 14399 [2021-11-17 03:00:20,949 INFO L226 Difference]: Without dead ends: 8550 [2021-11-17 03:00:20,976 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 [2021-11-17 03:00:20,977 INFO L933 BasicCegarLoop]: 2110 mSDtfsCounter, 2038 mSDsluCounter, 18761 mSDsCounter, 0 mSdLazyCounter, 5788 mSolverCounterSat, 1402 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2183 SdHoareTripleChecker+Valid, 20871 SdHoareTripleChecker+Invalid, 7193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1402 IncrementalHoareTripleChecker+Valid, 5788 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2021-11-17 03:00:20,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2183 Valid, 20871 Invalid, 7193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1402 Valid, 5788 Invalid, 3 Unknown, 0 Unchecked, 22.9s Time] [2021-11-17 03:00:20,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8550 states. [2021-11-17 03:00:21,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8550 to 5874. [2021-11-17 03:00:21,282 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) [2021-11-17 03:00:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5874 states to 5874 states and 7941 transitions. [2021-11-17 03:00:21,307 INFO L78 Accepts]: Start accepts. Automaton has 5874 states and 7941 transitions. Word has length 225 [2021-11-17 03:00:21,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:00:21,309 INFO L470 AbstractCegarLoop]: Abstraction has 5874 states and 7941 transitions. [2021-11-17 03:00:21,309 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) [2021-11-17 03:00:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5874 states and 7941 transitions. [2021-11-17 03:00:21,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-17 03:00:21,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:00:21,319 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] [2021-11-17 03:00:21,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 03:00:21,319 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:00:21,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:00:21,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1181179054, now seen corresponding path program 1 times [2021-11-17 03:00:21,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:00:21,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377006917] [2021-11-17 03:00:21,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:00:21,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:00:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 03:00:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 03:00:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 03:00:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 03:00:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 03:00:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 03:00:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:00:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 03:00:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:00:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:00:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 03:00:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 03:00:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 03:00:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 03:00:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-17 03:00:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 03:00:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 03:00:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 03:00:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 03:00:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 03:00:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-17 03:00:22,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:00:22,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377006917] [2021-11-17 03:00:22,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377006917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:00:22,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:00:22,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 03:00:22,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247732220] [2021-11-17 03:00:22,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:00:22,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 03:00:22,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:00:22,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 03:00:22,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-17 03:00:22,113 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) [2021-11-17 03:00:24,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:26,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:30,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:33,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:35,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:36,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:00:36,817 INFO L93 Difference]: Finished difference Result 12693 states and 17357 transitions. [2021-11-17 03:00:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 03:00:36,818 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 [2021-11-17 03:00:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:00:36,863 INFO L225 Difference]: With dead ends: 12693 [2021-11-17 03:00:36,863 INFO L226 Difference]: Without dead ends: 6822 [2021-11-17 03:00:36,886 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 [2021-11-17 03:00:36,888 INFO L933 BasicCegarLoop]: 1626 mSDtfsCounter, 974 mSDsluCounter, 7776 mSDsCounter, 0 mSdLazyCounter, 3355 mSolverCounterSat, 726 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 9402 SdHoareTripleChecker+Invalid, 4084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 3355 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-17 03:00:36,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1034 Valid, 9402 Invalid, 4084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 3355 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2021-11-17 03:00:36,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6822 states. [2021-11-17 03:00:37,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6822 to 5922. [2021-11-17 03:00:37,185 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) [2021-11-17 03:00:37,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5922 states to 5922 states and 7995 transitions. [2021-11-17 03:00:37,212 INFO L78 Accepts]: Start accepts. Automaton has 5922 states and 7995 transitions. Word has length 245 [2021-11-17 03:00:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:00:37,214 INFO L470 AbstractCegarLoop]: Abstraction has 5922 states and 7995 transitions. [2021-11-17 03:00:37,214 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) [2021-11-17 03:00:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 5922 states and 7995 transitions. [2021-11-17 03:00:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-17 03:00:37,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:00:37,228 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] [2021-11-17 03:00:37,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 03:00:37,229 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:00:37,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:00:37,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1960443043, now seen corresponding path program 1 times [2021-11-17 03:00:37,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:00:37,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506884794] [2021-11-17 03:00:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:00:37,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:00:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 03:00:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 03:00:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 03:00:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-17 03:00:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 03:00:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 03:00:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:00:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 03:00:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:00:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:00:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 03:00:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 03:00:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 03:00:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 03:00:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 03:00:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 03:00:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:00:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 03:00:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 03:00:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 03:00:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-17 03:00:37,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:00:37,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506884794] [2021-11-17 03:00:37,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506884794] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:00:37,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914978568] [2021-11-17 03:00:37,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:00:37,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:00:37,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:00:37,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:00:38,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 03:00:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:38,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 3631 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-17 03:00:38,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:00:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-11-17 03:00:39,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 03:00:39,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914978568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:00:39,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 03:00:39,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-11-17 03:00:39,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505616619] [2021-11-17 03:00:39,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:00:39,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 03:00:39,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:00:39,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 03:00:39,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-11-17 03:00:39,646 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) [2021-11-17 03:00:41,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:42,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:00:42,046 INFO L93 Difference]: Finished difference Result 11872 states and 16027 transitions. [2021-11-17 03:00:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 03:00:42,047 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 [2021-11-17 03:00:42,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:00:42,076 INFO L225 Difference]: With dead ends: 11872 [2021-11-17 03:00:42,076 INFO L226 Difference]: Without dead ends: 5938 [2021-11-17 03:00:42,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-11-17 03:00:42,100 INFO L933 BasicCegarLoop]: 1744 mSDtfsCounter, 22 mSDsluCounter, 5219 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6963 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 03:00:42,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 6963 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 03:00:42,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5938 states. [2021-11-17 03:00:42,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5938 to 5913. [2021-11-17 03:00:42,341 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) [2021-11-17 03:00:42,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 7978 transitions. [2021-11-17 03:00:42,365 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 7978 transitions. Word has length 246 [2021-11-17 03:00:42,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:00:42,366 INFO L470 AbstractCegarLoop]: Abstraction has 5913 states and 7978 transitions. [2021-11-17 03:00:42,367 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) [2021-11-17 03:00:42,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 7978 transitions. [2021-11-17 03:00:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-17 03:00:42,377 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:00:42,378 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] [2021-11-17 03:00:42,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-17 03:00:42,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:00:42,604 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:00:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:00:42,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1314978962, now seen corresponding path program 1 times [2021-11-17 03:00:42,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:00:42,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149054045] [2021-11-17 03:00:42,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:00:42,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:00:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 03:00:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 03:00:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 03:00:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 03:00:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 03:00:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 03:00:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 03:00:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 03:00:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:00:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 03:00:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 03:00:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:00:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:00:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:00:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 03:00:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 03:00:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 03:00:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 03:00:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-17 03:00:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 03:00:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 03:00:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 03:00:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 03:00:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 03:00:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:00:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-11-17 03:00:43,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:00:43,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149054045] [2021-11-17 03:00:43,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149054045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:00:43,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:00:43,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-17 03:00:43,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444019979] [2021-11-17 03:00:43,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:00:43,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 03:00:43,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:00:43,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 03:00:43,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-17 03:00:43,416 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) [2021-11-17 03:00:45,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:47,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:51,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:00:52,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:01:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:01:01,070 INFO L93 Difference]: Finished difference Result 15329 states and 21289 transitions. [2021-11-17 03:01:01,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-17 03:01:01,071 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 [2021-11-17 03:01:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:01:01,119 INFO L225 Difference]: With dead ends: 15329 [2021-11-17 03:01:01,120 INFO L226 Difference]: Without dead ends: 9419 [2021-11-17 03:01:01,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2021-11-17 03:01:01,147 INFO L933 BasicCegarLoop]: 2199 mSDtfsCounter, 2391 mSDsluCounter, 14277 mSDsCounter, 0 mSdLazyCounter, 4889 mSolverCounterSat, 1162 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 16476 SdHoareTripleChecker+Invalid, 6053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 4889 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-11-17 03:01:01,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2627 Valid, 16476 Invalid, 6053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1162 Valid, 4889 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2021-11-17 03:01:01,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9419 states. [2021-11-17 03:01:01,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9419 to 6565. [2021-11-17 03:01:01,490 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) [2021-11-17 03:01:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6565 states to 6565 states and 8795 transitions. [2021-11-17 03:01:01,521 INFO L78 Accepts]: Start accepts. Automaton has 6565 states and 8795 transitions. Word has length 266 [2021-11-17 03:01:01,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:01:01,522 INFO L470 AbstractCegarLoop]: Abstraction has 6565 states and 8795 transitions. [2021-11-17 03:01:01,522 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) [2021-11-17 03:01:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 6565 states and 8795 transitions. [2021-11-17 03:01:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-17 03:01:01,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:01:01,538 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] [2021-11-17 03:01:01,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 03:01:01,538 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:01:01,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:01:01,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1960950714, now seen corresponding path program 1 times [2021-11-17 03:01:01,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:01:01,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910583438] [2021-11-17 03:01:01,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:01:01,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:01:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 03:01:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 03:01:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 03:01:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 03:01:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 03:01:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:01:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 03:01:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 03:01:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 03:01:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 03:01:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 03:01:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:01:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:01:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 03:01:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 03:01:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 03:01:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 03:01:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 03:01:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 03:01:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 03:01:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 03:01:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 03:01:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 03:01:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-17 03:01:02,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:01:02,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910583438] [2021-11-17 03:01:02,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910583438] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:01:02,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315434048] [2021-11-17 03:01:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:01:02,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:01:02,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:01:02,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:01:02,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 03:01:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:05,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 3754 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-17 03:01:05,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:01:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-17 03:01:06,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:01:07,430 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-17 03:01:07,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315434048] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:01:07,431 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:01:07,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2021-11-17 03:01:07,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200403097] [2021-11-17 03:01:07,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:01:07,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-17 03:01:07,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:01:07,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-17 03:01:07,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-11-17 03:01:07,434 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) [2021-11-17 03:01:09,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:01:11,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:01:12,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:01:18,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:01:26,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:01:26,487 INFO L93 Difference]: Finished difference Result 14158 states and 19187 transitions. [2021-11-17 03:01:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-17 03:01:26,488 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 [2021-11-17 03:01:26,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:01:26,529 INFO L225 Difference]: With dead ends: 14158 [2021-11-17 03:01:26,529 INFO L226 Difference]: Without dead ends: 7540 [2021-11-17 03:01:26,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2021-11-17 03:01:26,558 INFO L933 BasicCegarLoop]: 1614 mSDtfsCounter, 1024 mSDsluCounter, 10397 mSDsCounter, 0 mSdLazyCounter, 4275 mSolverCounterSat, 769 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 12011 SdHoareTripleChecker+Invalid, 5046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 4275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:01:26,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1083 Valid, 12011 Invalid, 5046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [769 Valid, 4275 Invalid, 2 Unknown, 0 Unchecked, 18.3s Time] [2021-11-17 03:01:26,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7540 states. [2021-11-17 03:01:26,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7540 to 6572. [2021-11-17 03:01:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6572 states, 4804 states have (on average 1.298293089092423) internal successors, (6237), 4895 states have internal predecessors, (6237), 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) [2021-11-17 03:01:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6572 states to 6572 states and 8802 transitions. [2021-11-17 03:01:27,003 INFO L78 Accepts]: Start accepts. Automaton has 6572 states and 8802 transitions. Word has length 272 [2021-11-17 03:01:27,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:01:27,004 INFO L470 AbstractCegarLoop]: Abstraction has 6572 states and 8802 transitions. [2021-11-17 03:01:27,005 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) [2021-11-17 03:01:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 6572 states and 8802 transitions. [2021-11-17 03:01:27,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-17 03:01:27,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:01:27,019 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] [2021-11-17 03:01:27,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 03:01:27,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-17 03:01:27,243 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:01:27,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:01:27,244 INFO L85 PathProgramCache]: Analyzing trace with hash -582218043, now seen corresponding path program 2 times [2021-11-17 03:01:27,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:01:27,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118491663] [2021-11-17 03:01:27,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:01:27,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:01:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 03:01:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 03:01:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 03:01:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 03:01:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 03:01:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:01:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 03:01:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 03:01:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 03:01:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:01:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 03:01:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 03:01:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:01:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:01:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:01:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 03:01:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 03:01:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:01:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 03:01:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 03:01:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 03:01:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 03:01:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 03:01:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 03:01:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 03:01:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:01:28,117 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-17 03:01:28,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:01:28,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118491663] [2021-11-17 03:01:28,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118491663] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:01:28,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721037569] [2021-11-17 03:01:28,118 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 03:01:28,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:01:28,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:01:28,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:01:28,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 03:01:57,569 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 03:01:57,569 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:01:57,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 3760 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-17 03:01:57,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:01:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-17 03:01:58,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:01:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-17 03:01:59,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721037569] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:01:59,086 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:01:59,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2021-11-17 03:01:59,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192372931] [2021-11-17 03:01:59,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:01:59,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-17 03:01:59,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:01:59,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-17 03:01:59,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2021-11-17 03:01:59,090 INFO L87 Difference]: Start difference. First operand 6572 states and 8802 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) [2021-11-17 03:02:01,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:02:03,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:02:14,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:02:14,201 INFO L93 Difference]: Finished difference Result 14186 states and 19219 transitions. [2021-11-17 03:02:14,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-17 03:02:14,202 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 [2021-11-17 03:02:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:02:14,240 INFO L225 Difference]: With dead ends: 14186 [2021-11-17 03:02:14,240 INFO L226 Difference]: Without dead ends: 7526 [2021-11-17 03:02:14,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=262, Invalid=1298, Unknown=0, NotChecked=0, Total=1560 [2021-11-17 03:02:14,267 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 2163 mSDsluCounter, 15036 mSDsCounter, 0 mSdLazyCounter, 5617 mSolverCounterSat, 1821 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 16648 SdHoareTripleChecker+Invalid, 7440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 5617 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-17 03:02:14,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2222 Valid, 16648 Invalid, 7440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1821 Valid, 5617 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2021-11-17 03:02:14,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7526 states. [2021-11-17 03:02:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7526 to 6579. [2021-11-17 03:02:14,637 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) [2021-11-17 03:02:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6579 states to 6579 states and 8802 transitions. [2021-11-17 03:02:14,662 INFO L78 Accepts]: Start accepts. Automaton has 6579 states and 8802 transitions. Word has length 273 [2021-11-17 03:02:14,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:02:14,663 INFO L470 AbstractCegarLoop]: Abstraction has 6579 states and 8802 transitions. [2021-11-17 03:02:14,663 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) [2021-11-17 03:02:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 6579 states and 8802 transitions. [2021-11-17 03:02:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-17 03:02:14,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:02:14,676 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] [2021-11-17 03:02:14,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 03:02:14,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:02:14,890 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:02:14,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:02:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash -791178202, now seen corresponding path program 3 times [2021-11-17 03:02:14,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:02:14,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437108367] [2021-11-17 03:02:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:02:14,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:02:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 03:02:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 03:02:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-17 03:02:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 03:02:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:02:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 03:02:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:02:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:02:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:02:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 03:02:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:02:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 03:02:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:02:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 03:02:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:02:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 03:02:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 03:02:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:02:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 03:02:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:02:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 03:02:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 03:02:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 03:02:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 03:02:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 03:02:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 03:02:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 03:02:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 03:02:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 03:02:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 03:02:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:02:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-17 03:02:15,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:02:15,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437108367] [2021-11-17 03:02:15,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437108367] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 03:02:15,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977523261] [2021-11-17 03:02:15,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 03:02:15,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:02:15,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:02:15,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 03:02:15,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 03:03:54,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-17 03:03:54,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:03:55,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 3766 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-17 03:03:55,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:03:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-17 03:03:56,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:03:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-17 03:03:57,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977523261] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:03:57,794 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 03:03:57,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 24 [2021-11-17 03:03:57,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234594058] [2021-11-17 03:03:57,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 03:03:57,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-17 03:03:57,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:03:57,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-17 03:03:57,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2021-11-17 03:03:57,796 INFO L87 Difference]: Start difference. First operand 6579 states and 8802 transitions. Second operand has 24 states, 22 states have (on average 9.227272727272727) internal successors, (203), 18 states have internal predecessors, (203), 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) [2021-11-17 03:04:06,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:04:18,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:04:18,429 INFO L93 Difference]: Finished difference Result 14171 states and 19165 transitions. [2021-11-17 03:04:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-17 03:04:18,430 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 9.227272727272727) internal successors, (203), 18 states have internal predecessors, (203), 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 274 [2021-11-17 03:04:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:04:18,472 INFO L225 Difference]: With dead ends: 14171 [2021-11-17 03:04:18,472 INFO L226 Difference]: Without dead ends: 7535 [2021-11-17 03:04:18,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 608 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=184, Invalid=1148, Unknown=0, NotChecked=0, Total=1332 [2021-11-17 03:04:18,502 INFO L933 BasicCegarLoop]: 1610 mSDtfsCounter, 1724 mSDsluCounter, 17085 mSDsCounter, 0 mSdLazyCounter, 6505 mSolverCounterSat, 1459 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 18695 SdHoareTripleChecker+Invalid, 7965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1459 IncrementalHoareTripleChecker+Valid, 6505 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2021-11-17 03:04:18,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1783 Valid, 18695 Invalid, 7965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1459 Valid, 6505 Invalid, 1 Unknown, 0 Unchecked, 19.6s Time] [2021-11-17 03:04:18,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2021-11-17 03:04:18,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 6588. [2021-11-17 03:04:18,899 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) [2021-11-17 03:04:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6588 states to 6588 states and 8811 transitions. [2021-11-17 03:04:18,925 INFO L78 Accepts]: Start accepts. Automaton has 6588 states and 8811 transitions. Word has length 274 [2021-11-17 03:04:18,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:04:18,929 INFO L470 AbstractCegarLoop]: Abstraction has 6588 states and 8811 transitions. [2021-11-17 03:04:18,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 9.227272727272727) internal successors, (203), 18 states have internal predecessors, (203), 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) [2021-11-17 03:04:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 6588 states and 8811 transitions. [2021-11-17 03:04:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-17 03:04:18,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:04:18,942 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] [2021-11-17 03:04:19,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 03:04:19,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 03:04:19,157 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:04:19,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:04:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1320991461, now seen corresponding path program 4 times [2021-11-17 03:04:19,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:04:19,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919711854] [2021-11-17 03:04:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:04:19,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:04:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-17 03:04:22,960 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-17 03:04:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-17 03:04:25,668 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-17 03:04:25,669 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-17 03:04:25,670 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 03:04:25,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 03:04:25,675 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:04:25,679 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-17 03:04:25,745 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-11-17 03:04:25,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:04:25 BoogieIcfgContainer [2021-11-17 03:04:25,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-17 03:04:25,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-17 03:04:25,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-17 03:04:25,994 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-17 03:04:25,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:58:45" (3/4) ... [2021-11-17 03:04:25,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-17 03:04:25,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-17 03:04:25,998 INFO L158 Benchmark]: Toolchain (without parser) took 356268.59ms. Allocated memory was 111.1MB in the beginning and 775.9MB in the end (delta: 664.8MB). Free memory was 62.0MB in the beginning and 468.7MB in the end (delta: -406.7MB). Peak memory consumption was 257.5MB. Max. memory is 16.1GB. [2021-11-17 03:04:25,999 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 03:04:26,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5552.53ms. Allocated memory was 111.1MB in the beginning and 207.6MB in the end (delta: 96.5MB). Free memory was 61.7MB in the beginning and 95.0MB in the end (delta: -33.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2021-11-17 03:04:26,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 306.15ms. Allocated memory is still 207.6MB. Free memory was 95.0MB in the beginning and 67.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-17 03:04:26,000 INFO L158 Benchmark]: Boogie Preprocessor took 290.92ms. Allocated memory is still 207.6MB. Free memory was 67.7MB in the beginning and 99.0MB in the end (delta: -31.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-17 03:04:26,000 INFO L158 Benchmark]: RCFGBuilder took 9830.72ms. Allocated memory was 207.6MB in the beginning and 539.0MB in the end (delta: 331.4MB). Free memory was 99.0MB in the beginning and 288.0MB in the end (delta: -189.0MB). Peak memory consumption was 282.8MB. Max. memory is 16.1GB. [2021-11-17 03:04:26,001 INFO L158 Benchmark]: TraceAbstraction took 340275.04ms. Allocated memory was 539.0MB in the beginning and 775.9MB in the end (delta: 237.0MB). Free memory was 287.0MB in the beginning and 469.3MB in the end (delta: -182.3MB). Peak memory consumption was 370.8MB. Max. memory is 16.1GB. [2021-11-17 03:04:26,001 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 775.9MB. Free memory was 469.3MB in the beginning and 468.7MB in the end (delta: 596.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 03:04:26,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5552.53ms. Allocated memory was 111.1MB in the beginning and 207.6MB in the end (delta: 96.5MB). Free memory was 61.7MB in the beginning and 95.0MB in the end (delta: -33.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 306.15ms. Allocated memory is still 207.6MB. Free memory was 95.0MB in the beginning and 67.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 290.92ms. Allocated memory is still 207.6MB. Free memory was 67.7MB in the beginning and 99.0MB in the end (delta: -31.2MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * RCFGBuilder took 9830.72ms. Allocated memory was 207.6MB in the beginning and 539.0MB in the end (delta: 331.4MB). Free memory was 99.0MB in the beginning and 288.0MB in the end (delta: -189.0MB). Peak memory consumption was 282.8MB. Max. memory is 16.1GB. * TraceAbstraction took 340275.04ms. Allocated memory was 539.0MB in the beginning and 775.9MB in the end (delta: 237.0MB). Free memory was 287.0MB in the beginning and 469.3MB in the end (delta: -182.3MB). Peak memory consumption was 370.8MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 775.9MB. Free memory was 469.3MB in the beginning and 468.7MB in the end (delta: 596.0kB). 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, 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={257:-256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={257:-256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={257:-256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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)=197, \result=239, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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=197, netback_driver={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={18446744073709551836:18446744073709551818}, src={18446744073709551836:18446744073709551818}, tmp___0=239, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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=239, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={18446744073709551836:18446744073709551818}, srcp={18446744073709551836:18446744073709551818}, tmp=239, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={257:-256}, arg0={69:0}, arg1={0:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={257:-256}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={257:-256}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={257:-256}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={257:-256}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6736] return (p); VAL [\old(size)=1000, \result={-18446744073709551617:0}, __this_module={257:-256}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={257:-256}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={257:-256}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={257:-256}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6736] return (p); VAL [\old(size)=504, \result={-36893488147419103233:0}, __this_module={257:-256}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={257:-256}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={257:-256}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={257:-256}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6736] return (p); VAL [\old(size)=3008, \result={18446744073709551617:0}, __this_module={257:-256}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={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=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6736] return (p); VAL [\old(size)=1664, \result={-73786976294838206463:0}, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={0:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551799:0}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6736] return (p); VAL [\old(size)=32, \result={-73786976294838206465:0}, __this_module={257:-256}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={-73786976294838206465:0}, 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={18446744073709551799:0}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551799:0}, ldvarg2={-73786976294838206465:0}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={257:-256}, calloc(1UL, size)={-92233720368547758081:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={257:-256}, calloc(1UL, size)={-92233720368547758081:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-92233720368547758081:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={-92233720368547758081:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={257:-256}, calloc(1UL, size)={-92233720368547758081:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-92233720368547758081:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={-92233720368547758081:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6736] return (p); VAL [\old(size)=2336, \result={-92233720368547758081:0}, __this_module={257:-256}, calloc(1UL, size)={-92233720368547758081:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-92233720368547758081:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={-92233720368547758081:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={-92233720368547758081:0}, 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={18446744073709551799:0}, ldvarg2={-73786976294838206465:0}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551799:0}, ldvarg1={-92233720368547758081:0}, ldvarg2={-73786976294838206465:0}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={-92233720368547758081:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={18446744073709551799:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={257:-256}, c=0, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={18446744073709551799:0}, s={18446744073709551799:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={257:-256}, c=0, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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)={18446744073709551799:0}, n=4, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={18446744073709551799:0}, s={18446744073709551799:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={18446744073709551799:0}, __this_module={257:-256}, c=0, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={18446744073709551799:0}, s={18446744073709551799:0}, separate_tx_rx_irq=1, tmp={18446744073709551799:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={18446744073709551799:0}, 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={18446744073709551799:0}, ldvarg1={-92233720368547758081:0}, ldvarg2={-73786976294838206465:0}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={-92233720368547758081:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551799:0}, ldvarg1={-92233720368547758081:0}, ldvarg2={-73786976294838206465:0}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={-92233720368547758081:0}, tmp___1=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-129127208515966859300:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-129127208515966859300:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-129127208515966859300:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-129127208515966859300:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ptr={-129127208515966859300:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11777] bool tmp ; VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ptr={-129127208515966859300:0}, ptr={-129127208515966859300:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ptr={-129127208515966859300:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ptr={-129127208515966859300:0}, ptr={-129127208515966859300:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ptr={-129127208515966859300:0}, ptr={-129127208515966859300:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ptr={-129127208515966859300:0}, ptr={-129127208515966859300:0}, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-129127208515966859300:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-129127208515966859300:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={257:-256}, cond=1, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-129127208515966859300:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-129127208515966859300:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6706] return (p); VAL [\old(size)=72, \result={-129127208515966859300:0}, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, p={-129127208515966859300:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-129127208515966859300:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=18446744073709551814, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-129127208515966859300:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=18446744073709551814, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=198, \old(size)=72, \result={-129127208515966859300:0}, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, flags=198, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={-129127208515966859300:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={-129127208515966859300:0}, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, kzalloc(72UL, 208U)={-129127208515966859300:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, data={-129127208515966859300:0}, dev={-73786976294838206463:60}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10323] dev->driver_data = data VAL [__this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, data={-129127208515966859300:0}, data={-129127208515966859300:0}, dev={-73786976294838206463:60}, dev={-73786976294838206463:60}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10661] sg = 1 VAL [__constr_expr_0={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-129127208515966859300:0}, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-129127208515966859300:0}, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, descriptor___1.flags=0, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-129127208515966859300:0}, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=-2, \result=-2, __this_module={257:-256}, c=0, cpu_online_mask={18446744073709551836:18446744073709551818}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, descriptor___1.flags=0, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-129127208515966859300:0}, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND TRUE tmp___5 != 0L VAL [__constr_expr_0={18446744073709551803:0}, __constr_expr_1={18446744073709551806:0}, __constr_expr_2={18446744073709551801:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, descriptor={18446744073709551807:0}, descriptor___0={18446744073709551805:0}, descriptor___1={18446744073709551804:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-129127208515966859300:0}, tmp___5=-2, xbt={18446744073709551802:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:60}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, dev_get_drvdata((struct device const *)(& dev->dev))={-129127208515966859300:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, be={-129127208515966859300:0}, be={-129127208515966859300:0}, be->state=-4294967290, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, be={-129127208515966859300:0}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, be={-129127208515966859300:0}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, be={-129127208515966859300:0}, be->vif={18446744073709551791:-176}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, arg0={-73786976294838206463:76}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, be={-129127208515966859300:0}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, be={-129127208515966859300:0}, be->vif={18446744073709551791:-176}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={18446744073709551791:-176}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={18446744073709551791:-176}, vif={18446744073709551791:-176}, vif->credit_watch.node={241:18446744073709551375}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={18446744073709551791:0}, __this_module={257:-256}, be={-129127208515966859300:0}, be->vif={18446744073709551791:-176}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, 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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-129127208515966859300:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={18446744073709551816:18446744073709551822}, dev={18446744073709551816:18446744073709551822}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551791:-176}, vif={18446744073709551791:-176}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551791:-176}, vif={18446744073709551791:-176}, vif->queues={18446744073709551832:18446744073709551820}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551791:-176}, vif={18446744073709551791:-176}, vif->queues={18446744073709551832:18446744073709551820}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={18446744073709551816:18446744073709551822}, dev={18446744073709551816:18446744073709551822}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, dev={18446744073709551816:18446744073709551822}, dev={18446744073709551816:18446744073709551822}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={257:-256}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={257:-256}, module={257:-256}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={257:-256}, module={257:-256}, netback_driver={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] [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={257:-256}, cpu_online_mask={18446744073709551836:18446744073709551818}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={18446744073709551796:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={18446744073709551794:0}, nr_cpu_ids=18446744073709551813, 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={18446744073709551797:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-36893488147419103233:0}, xenvif_ethtool_ops={18446744073709551798:0}, xenvif_ethtool_ops_group0={18446744073709551617:0}, xenvif_max_queues=239, xenvif_netdev_ops={18446744073709551793:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={18446744073709551795:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1308 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 339.9s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.2s, AutomataDifference: 179.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 25 mSolverCounterUnknown, 22930 SdHoareTripleChecker+Valid, 171.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21715 mSDsluCounter, 124881 SdHoareTripleChecker+Invalid, 159.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103545 mSDsCounter, 12175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38738 IncrementalHoareTripleChecker+Invalid, 50938 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12175 mSolverCounterUnsat, 21336 mSDtfsCounter, 38738 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2769 GetRequests, 2536 SyntacticMatches, 7 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6588occurred in iteration=12, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 12227 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 136.7s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 3870 NumberOfCodeBlocks, 3870 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4395 ConstructedInterpolants, 0 QuantifiedInterpolants, 7480 SizeOfPredicates, 11 NumberOfNonLiveVariables, 14911 ConjunctsInSsa, 54 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 [2021-11-17 03:04:26,251 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-17 03:04:26,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.1-dev-0f8a17c [2021-11-17 03:04:28,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 03:04:28,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 03:04:28,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 03:04:28,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 03:04:28,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 03:04:28,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 03:04:28,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 03:04:28,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 03:04:28,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 03:04:28,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 03:04:28,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 03:04:28,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 03:04:28,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 03:04:28,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 03:04:28,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 03:04:28,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 03:04:28,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 03:04:28,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 03:04:28,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 03:04:28,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 03:04:28,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 03:04:28,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 03:04:28,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 03:04:28,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 03:04:28,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 03:04:28,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 03:04:28,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 03:04:28,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 03:04:28,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 03:04:28,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 03:04:28,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 03:04:28,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 03:04:28,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 03:04:28,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 03:04:28,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 03:04:28,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 03:04:28,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 03:04:28,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 03:04:28,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 03:04:28,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 03:04:28,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-17 03:04:28,359 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 03:04:28,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 03:04:28,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 03:04:28,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 03:04:28,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 03:04:28,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 03:04:28,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 03:04:28,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 03:04:28,363 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 03:04:28,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 03:04:28,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 03:04:28,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 03:04:28,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 03:04:28,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 03:04:28,365 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-17 03:04:28,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-17 03:04:28,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 03:04:28,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 03:04:28,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 03:04:28,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 03:04:28,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 03:04:28,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 03:04:28,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:04:28,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 03:04:28,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 03:04:28,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 03:04:28,367 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-17 03:04:28,367 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-17 03:04:28,368 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 03:04:28,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 03:04:28,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 03:04:28,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 03:04:28,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-17 03:04:28,369 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-11-17 03:04:28,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 03:04:28,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 03:04:28,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 03:04:28,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 03:04:28,711 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 03:04:28,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2021-11-17 03:04:28,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82337a62b/f237621df2dd429b95c7112c89854020/FLAG59313c16e [2021-11-17 03:04:29,809 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 03:04:29,809 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2021-11-17 03:04:29,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82337a62b/f237621df2dd429b95c7112c89854020/FLAG59313c16e [2021-11-17 03:04:30,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82337a62b/f237621df2dd429b95c7112c89854020 [2021-11-17 03:04:30,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 03:04:30,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 03:04:30,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 03:04:30,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 03:04:30,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 03:04:30,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:04:30" (1/1) ... [2021-11-17 03:04:30,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a1d01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:30, skipping insertion in model container [2021-11-17 03:04:30,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:04:30" (1/1) ... [2021-11-17 03:04:30,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 03:04:30,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 03:04:33,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 03:04:33,704 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:04:33,766 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 03:04:34,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2021-11-17 03:04:34,653 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:04:34,804 INFO L208 MainTranslator]: Completed translation [2021-11-17 03:04:34,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34 WrapperNode [2021-11-17 03:04:34,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 03:04:34,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 03:04:34,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 03:04:34,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 03:04:34,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:34,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,122 INFO L137 Inliner]: procedures = 440, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4351 [2021-11-17 03:04:35,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 03:04:35,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 03:04:35,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 03:04:35,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 03:04:35,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 03:04:35,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 03:04:35,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 03:04:35,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 03:04:35,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (1/1) ... [2021-11-17 03:04:35,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:04:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:04:35,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 03:04:35,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 03:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 03:04:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 03:04:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 03:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-11-17 03:04:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-11-17 03:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-17 03:04:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-17 03:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 03:04:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 03:04:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-11-17 03:04:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-11-17 03:04:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-17 03:04:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-17 03:04:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-11-17 03:04:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-11-17 03:04:35,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 03:04:35,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 03:04:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-11-17 03:04:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-11-17 03:04:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-11-17 03:04:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-11-17 03:04:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 03:04:35,461 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 03:04:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-11-17 03:04:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-11-17 03:04:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 03:04:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 03:04:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-11-17 03:04:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-11-17 03:04:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-17 03:04:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-17 03:04:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 03:04:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 03:04:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 03:04:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 03:04:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-11-17 03:04:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-11-17 03:04:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 03:04:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 03:04:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-11-17 03:04:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-11-17 03:04:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 03:04:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-17 03:04:35,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-17 03:04:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-17 03:04:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-17 03:04:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-17 03:04:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 03:04:35,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 03:04:35,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 03:04:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 03:04:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-17 03:04:35,467 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-17 03:04:35,467 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 03:04:35,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 03:04:35,468 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 03:04:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 03:04:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-11-17 03:04:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-11-17 03:04:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 03:04:35,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 03:04:35,469 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-11-17 03:04:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-11-17 03:04:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-17 03:04:35,470 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-17 03:04:35,470 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-11-17 03:04:35,471 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-11-17 03:04:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-11-17 03:04:35,471 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-11-17 03:04:35,471 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 03:04:35,471 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 03:04:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 03:04:35,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 03:04:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-11-17 03:04:35,472 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-11-17 03:04:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 03:04:35,472 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-11-17 03:04:35,473 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-11-17 03:04:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 03:04:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 03:04:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-17 03:04:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-11-17 03:04:35,473 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-11-17 03:04:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-17 03:04:35,473 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-11-17 03:04:35,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-11-17 03:04:35,474 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-17 03:04:35,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-17 03:04:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-17 03:04:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-11-17 03:04:35,475 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-11-17 03:04:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 03:04:35,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 03:04:35,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 03:04:35,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 03:04:35,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-17 03:04:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 03:04:35,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 03:04:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 03:04:35,478 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 03:04:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-17 03:04:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-17 03:04:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-17 03:04:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 03:04:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-17 03:04:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 03:04:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-11-17 03:04:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-11-17 03:04:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 03:04:35,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 03:04:35,479 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 03:04:35,480 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 03:04:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-11-17 03:04:35,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-11-17 03:04:35,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 03:04:35,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 03:04:35,481 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-17 03:04:35,483 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-11-17 03:04:35,484 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-11-17 03:04:35,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-11-17 03:04:35,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-17 03:04:35,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-17 03:04:35,486 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-17 03:04:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-17 03:04:35,486 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 03:04:35,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 03:04:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-11-17 03:04:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-11-17 03:04:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-11-17 03:04:35,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-11-17 03:04:35,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 03:04:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 03:04:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 03:04:35,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 03:04:35,492 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-17 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-17 03:04:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 03:04:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-11-17 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-11-17 03:04:35,493 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-11-17 03:04:35,493 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-11-17 03:04:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 03:04:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 03:04:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 03:04:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-11-17 03:04:35,494 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-11-17 03:04:35,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 03:04:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-11-17 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-11-17 03:04:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-17 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-17 03:04:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-11-17 03:04:35,495 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-11-17 03:04:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-17 03:04:35,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-17 03:04:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-17 03:04:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 03:04:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 03:04:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-17 03:04:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 03:04:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 03:04:35,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 03:04:35,496 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 03:04:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 03:04:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-11-17 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-11-17 03:04:35,497 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 03:04:35,497 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 03:04:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-11-17 03:04:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-11-17 03:04:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 03:04:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 03:04:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 03:04:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 03:04:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-17 03:04:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-17 03:04:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-17 03:04:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 03:04:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 03:04:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 03:04:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-11-17 03:04:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-11-17 03:04:36,254 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 03:04:36,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 03:04:36,748 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 03:05:01,275 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 03:05:01,299 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 03:05:01,302 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 03:05:01,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:05:01 BoogieIcfgContainer [2021-11-17 03:05:01,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 03:05:01,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 03:05:01,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 03:05:01,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 03:05:01,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:04:30" (1/3) ... [2021-11-17 03:05:01,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fef46ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:05:01, skipping insertion in model container [2021-11-17 03:05:01,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:04:34" (2/3) ... [2021-11-17 03:05:01,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fef46ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:05:01, skipping insertion in model container [2021-11-17 03:05:01,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:05:01" (3/3) ... [2021-11-17 03:05:01,316 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 [2021-11-17 03:05:01,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 03:05:01,323 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 03:05:01,399 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 03:05:01,410 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 [2021-11-17 03:05:01,411 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 03:05:01,464 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) [2021-11-17 03:05:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-17 03:05:01,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:01,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:05:01,472 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:01,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1510187125, now seen corresponding path program 1 times [2021-11-17 03:05:01,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:01,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384725067] [2021-11-17 03:05:01,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:01,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:01,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:01,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-17 03:05:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:02,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 03:05:02,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 03:05:02,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 03:05:03,081 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:03,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384725067] [2021-11-17 03:05:03,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384725067] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:05:03,082 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:05:03,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-17 03:05:03,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563284075] [2021-11-17 03:05:03,084 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:05:03,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 03:05:03,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:03,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 03:05:03,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 03:05:03,118 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) [2021-11-17 03:05:03,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:03,460 INFO L93 Difference]: Finished difference Result 3905 states and 5464 transitions. [2021-11-17 03:05:03,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 03:05:03,464 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 [2021-11-17 03:05:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:03,511 INFO L225 Difference]: With dead ends: 3905 [2021-11-17 03:05:03,511 INFO L226 Difference]: Without dead ends: 2553 [2021-11-17 03:05:03,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 03:05:03,543 INFO L933 BasicCegarLoop]: 2044 mSDtfsCounter, 1761 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 03:05:03,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1761 Valid, 3814 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 03:05:03,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2021-11-17 03:05:03,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2550. [2021-11-17 03:05:03,781 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) [2021-11-17 03:05:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3466 transitions. [2021-11-17 03:05:03,806 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3466 transitions. Word has length 19 [2021-11-17 03:05:03,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:03,807 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 3466 transitions. [2021-11-17 03:05:03,807 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) [2021-11-17 03:05:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3466 transitions. [2021-11-17 03:05:03,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 03:05:03,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:03,826 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] [2021-11-17 03:05:03,855 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-17 03:05:04,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:04,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:04,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1054431279, now seen corresponding path program 1 times [2021-11-17 03:05:04,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:04,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2089822515] [2021-11-17 03:05:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:04,056 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:04,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:04,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:04,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-17 03:05:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:05,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 03:05:05,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-17 03:05:05,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:06,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-17 03:05:06,470 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:06,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2089822515] [2021-11-17 03:05:06,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2089822515] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:05:06,470 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:05:06,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-17 03:05:06,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376978750] [2021-11-17 03:05:06,470 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:05:06,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 03:05:06,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:06,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 03:05:06,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 03:05:06,473 INFO L87 Difference]: Start difference. First operand 2550 states and 3466 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 03:05:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:06,955 INFO L93 Difference]: Finished difference Result 6119 states and 8301 transitions. [2021-11-17 03:05:06,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 03:05:06,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 106 [2021-11-17 03:05:06,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:06,978 INFO L225 Difference]: With dead ends: 6119 [2021-11-17 03:05:06,979 INFO L226 Difference]: Without dead ends: 3572 [2021-11-17 03:05:06,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 03:05:06,995 INFO L933 BasicCegarLoop]: 1851 mSDtfsCounter, 693 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2021-11-17 03:05:06,996 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] [2021-11-17 03:05:07,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2021-11-17 03:05:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3560. [2021-11-17 03:05:07,184 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) [2021-11-17 03:05:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4825 transitions. [2021-11-17 03:05:07,207 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4825 transitions. Word has length 106 [2021-11-17 03:05:07,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:07,207 INFO L470 AbstractCegarLoop]: Abstraction has 3560 states and 4825 transitions. [2021-11-17 03:05:07,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 03:05:07,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4825 transitions. [2021-11-17 03:05:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-17 03:05:07,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:07,215 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] [2021-11-17 03:05:07,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-17 03:05:07,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:07,442 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:07,443 INFO L85 PathProgramCache]: Analyzing trace with hash 772852535, now seen corresponding path program 1 times [2021-11-17 03:05:07,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:07,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836150357] [2021-11-17 03:05:07,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:07,446 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:07,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:07,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:07,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-17 03:05:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:08,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 1754 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 03:05:08,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-17 03:05:10,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 03:05:10,881 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:10,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836150357] [2021-11-17 03:05:10,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836150357] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:05:10,881 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:05:10,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-17 03:05:10,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459428033] [2021-11-17 03:05:10,881 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:05:10,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 03:05:10,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:10,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 03:05:10,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:05:10,883 INFO L87 Difference]: Start difference. First operand 3560 states and 4825 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-17 03:05:13,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:05:13,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:13,364 INFO L93 Difference]: Finished difference Result 7141 states and 9676 transitions. [2021-11-17 03:05:13,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 03:05:13,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 185 [2021-11-17 03:05:13,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:13,386 INFO L225 Difference]: With dead ends: 7141 [2021-11-17 03:05:13,387 INFO L226 Difference]: Without dead ends: 3576 [2021-11-17 03:05:13,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:05:13,408 INFO L933 BasicCegarLoop]: 1743 mSDtfsCounter, 15 mSDsluCounter, 6965 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8708 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:05:13,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 8708 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 03:05:13,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2021-11-17 03:05:13,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 3561. [2021-11-17 03:05:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 2611 states have (on average 1.3094599770202988) internal successors, (3419), 2656 states have internal predecessors, (3419), 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) [2021-11-17 03:05:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 4821 transitions. [2021-11-17 03:05:13,546 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 4821 transitions. Word has length 185 [2021-11-17 03:05:13,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:13,549 INFO L470 AbstractCegarLoop]: Abstraction has 3561 states and 4821 transitions. [2021-11-17 03:05:13,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2021-11-17 03:05:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 4821 transitions. [2021-11-17 03:05:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-17 03:05:13,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:13,560 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] [2021-11-17 03:05:13,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-17 03:05:13,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:13,775 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:13,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:13,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1258493088, now seen corresponding path program 1 times [2021-11-17 03:05:13,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:13,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765143914] [2021-11-17 03:05:13,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:13,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:13,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:13,781 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:13,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-17 03:05:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:14,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1793 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 03:05:14,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 03:05:16,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 03:05:16,789 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:16,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765143914] [2021-11-17 03:05:16,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765143914] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:05:16,789 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:05:16,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-17 03:05:16,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163884921] [2021-11-17 03:05:16,789 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:05:16,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 03:05:16,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:16,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 03:05:16,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 03:05:16,791 INFO L87 Difference]: Start difference. First operand 3561 states and 4821 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 03:05:16,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:16,914 INFO L93 Difference]: Finished difference Result 7119 states and 9639 transitions. [2021-11-17 03:05:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 03:05:16,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 194 [2021-11-17 03:05:16,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:16,935 INFO L225 Difference]: With dead ends: 7119 [2021-11-17 03:05:16,935 INFO L226 Difference]: Without dead ends: 3561 [2021-11-17 03:05:16,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 03:05:16,953 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 [2021-11-17 03:05:16,953 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] [2021-11-17 03:05:16,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2021-11-17 03:05:17,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 3561. [2021-11-17 03:05:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3561 states, 2611 states have (on average 1.3079279969360398) internal successors, (3415), 2656 states have internal predecessors, (3415), 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) [2021-11-17 03:05:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3561 states and 4817 transitions. [2021-11-17 03:05:17,094 INFO L78 Accepts]: Start accepts. Automaton has 3561 states and 4817 transitions. Word has length 194 [2021-11-17 03:05:17,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:17,094 INFO L470 AbstractCegarLoop]: Abstraction has 3561 states and 4817 transitions. [2021-11-17 03:05:17,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 03:05:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3561 states and 4817 transitions. [2021-11-17 03:05:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-17 03:05:17,101 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:17,101 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] [2021-11-17 03:05:17,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-17 03:05:17,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:17,323 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:17,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:17,324 INFO L85 PathProgramCache]: Analyzing trace with hash 442445858, now seen corresponding path program 1 times [2021-11-17 03:05:17,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:17,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880024848] [2021-11-17 03:05:17,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:17,326 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:17,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:17,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:17,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-17 03:05:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:18,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 1792 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 03:05:18,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-17 03:05:19,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 03:05:20,448 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:20,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880024848] [2021-11-17 03:05:20,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880024848] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:05:20,448 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:05:20,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-17 03:05:20,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932053847] [2021-11-17 03:05:20,448 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:05:20,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 03:05:20,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:20,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 03:05:20,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 03:05:20,449 INFO L87 Difference]: Start difference. First operand 3561 states and 4817 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 03:05:22,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:05:23,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:23,079 INFO L93 Difference]: Finished difference Result 7140 states and 9653 transitions. [2021-11-17 03:05:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 03:05:23,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 194 [2021-11-17 03:05:23,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:23,100 INFO L225 Difference]: With dead ends: 7140 [2021-11-17 03:05:23,101 INFO L226 Difference]: Without dead ends: 3576 [2021-11-17 03:05:23,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 03:05:23,120 INFO L933 BasicCegarLoop]: 1744 mSDtfsCounter, 21 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 6962 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:05:23,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 6962 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 03:05:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2021-11-17 03:05:23,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 3558. [2021-11-17 03:05:23,248 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) [2021-11-17 03:05:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 4812 transitions. [2021-11-17 03:05:23,263 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 4812 transitions. Word has length 194 [2021-11-17 03:05:23,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:23,264 INFO L470 AbstractCegarLoop]: Abstraction has 3558 states and 4812 transitions. [2021-11-17 03:05:23,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 03:05:23,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 4812 transitions. [2021-11-17 03:05:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-17 03:05:23,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:23,273 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] [2021-11-17 03:05:23,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-17 03:05:23,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:23,492 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:23,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:23,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1488410957, now seen corresponding path program 1 times [2021-11-17 03:05:23,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:23,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24473783] [2021-11-17 03:05:23,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:23,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:23,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:23,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:23,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-17 03:05:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:24,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 03:05:24,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 03:05:25,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 03:05:27,127 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:27,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24473783] [2021-11-17 03:05:27,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24473783] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:05:27,127 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:05:27,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-17 03:05:27,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031332284] [2021-11-17 03:05:27,128 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:05:27,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 03:05:27,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:27,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 03:05:27,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-17 03:05:27,129 INFO L87 Difference]: Start difference. First operand 3558 states and 4812 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 10 states have internal predecessors, (146), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (38), 4 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 03:05:28,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:28,835 INFO L93 Difference]: Finished difference Result 9747 states and 13741 transitions. [2021-11-17 03:05:28,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 03:05:28,836 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 10 states have internal predecessors, (146), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (38), 4 states have call predecessors, (38), 2 states have call successors, (38) Word has length 214 [2021-11-17 03:05:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:28,871 INFO L225 Difference]: With dead ends: 9747 [2021-11-17 03:05:28,872 INFO L226 Difference]: Without dead ends: 6192 [2021-11-17 03:05:28,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-17 03:05:28,890 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 1300 mSDsluCounter, 18674 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 21023 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:05:28,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1498 Valid, 21023 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-17 03:05:28,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6192 states. [2021-11-17 03:05:29,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6192 to 3582. [2021-11-17 03:05:29,062 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) [2021-11-17 03:05:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4848 transitions. [2021-11-17 03:05:29,077 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4848 transitions. Word has length 214 [2021-11-17 03:05:29,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:29,078 INFO L470 AbstractCegarLoop]: Abstraction has 3582 states and 4848 transitions. [2021-11-17 03:05:29,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 10 states have internal predecessors, (146), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (38), 4 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 03:05:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4848 transitions. [2021-11-17 03:05:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-17 03:05:29,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:29,086 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] [2021-11-17 03:05:29,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-17 03:05:29,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:29,308 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:29,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:29,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1523065739, now seen corresponding path program 1 times [2021-11-17 03:05:29,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:29,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233406295] [2021-11-17 03:05:29,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:29,310 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:29,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:29,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:29,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-17 03:05:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:30,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 1859 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-17 03:05:30,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-17 03:05:31,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:32,365 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-17 03:05:32,365 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:32,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233406295] [2021-11-17 03:05:32,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233406295] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:05:32,366 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:05:32,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-17 03:05:32,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592169703] [2021-11-17 03:05:32,366 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:05:32,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 03:05:32,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:32,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 03:05:32,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:05:32,368 INFO L87 Difference]: Start difference. First operand 3582 states and 4848 transitions. Second operand has 9 states, 7 states have (on average 19.0) internal successors, (133), 9 states have internal predecessors, (133), 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) [2021-11-17 03:05:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:33,436 INFO L93 Difference]: Finished difference Result 7205 states and 9777 transitions. [2021-11-17 03:05:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 03:05:33,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 19.0) internal successors, (133), 9 states have internal predecessors, (133), 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 220 [2021-11-17 03:05:33,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:33,469 INFO L225 Difference]: With dead ends: 7205 [2021-11-17 03:05:33,469 INFO L226 Difference]: Without dead ends: 3606 [2021-11-17 03:05:33,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-11-17 03:05:33,486 INFO L933 BasicCegarLoop]: 1731 mSDtfsCounter, 9 mSDsluCounter, 8621 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 10352 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-17 03:05:33,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 10352 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-17 03:05:33,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2021-11-17 03:05:33,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3606. [2021-11-17 03:05:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3606 states, 2644 states have (on average 1.3033282904689865) internal successors, (3446), 2689 states have internal predecessors, (3446), 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) [2021-11-17 03:05:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3606 states and 4872 transitions. [2021-11-17 03:05:33,640 INFO L78 Accepts]: Start accepts. Automaton has 3606 states and 4872 transitions. Word has length 220 [2021-11-17 03:05:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:33,641 INFO L470 AbstractCegarLoop]: Abstraction has 3606 states and 4872 transitions. [2021-11-17 03:05:33,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 19.0) internal successors, (133), 9 states have internal predecessors, (133), 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) [2021-11-17 03:05:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 4872 transitions. [2021-11-17 03:05:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-17 03:05:33,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:33,648 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] [2021-11-17 03:05:33,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-17 03:05:33,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:33,862 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:33,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2026463350, now seen corresponding path program 1 times [2021-11-17 03:05:33,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:33,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495490756] [2021-11-17 03:05:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:05:33,864 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:33,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:33,896 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:33,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-17 03:05:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:05:34,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-17 03:05:34,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:05:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-17 03:05:35,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:05:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-17 03:05:37,226 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:05:37,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495490756] [2021-11-17 03:05:37,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [495490756] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:05:37,226 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 03:05:37,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-11-17 03:05:37,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323546232] [2021-11-17 03:05:37,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 03:05:37,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 03:05:37,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:05:37,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 03:05:37,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:05:37,228 INFO L87 Difference]: Start difference. First operand 3606 states and 4872 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) [2021-11-17 03:05:38,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:05:38,161 INFO L93 Difference]: Finished difference Result 7245 states and 9813 transitions. [2021-11-17 03:05:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:05:38,162 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 [2021-11-17 03:05:38,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:05:38,184 INFO L225 Difference]: With dead ends: 7245 [2021-11-17 03:05:38,185 INFO L226 Difference]: Without dead ends: 3610 [2021-11-17 03:05:38,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-11-17 03:05:38,228 INFO L933 BasicCegarLoop]: 1733 mSDtfsCounter, 14 mSDsluCounter, 5187 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 6920 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-17 03:05:38,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 6920 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-17 03:05:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2021-11-17 03:05:38,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3610. [2021-11-17 03:05:38,339 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) [2021-11-17 03:05:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3610 states to 3610 states and 4876 transitions. [2021-11-17 03:05:38,351 INFO L78 Accepts]: Start accepts. Automaton has 3610 states and 4876 transitions. Word has length 221 [2021-11-17 03:05:38,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:05:38,353 INFO L470 AbstractCegarLoop]: Abstraction has 3610 states and 4876 transitions. [2021-11-17 03:05:38,353 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) [2021-11-17 03:05:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3610 states and 4876 transitions. [2021-11-17 03:05:38,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-17 03:05:38,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:05:38,362 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] [2021-11-17 03:05:38,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-17 03:05:38,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:05:38,584 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:05:38,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:05:38,584 INFO L85 PathProgramCache]: Analyzing trace with hash -392715413, now seen corresponding path program 2 times [2021-11-17 03:05:38,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:05:38,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891343777] [2021-11-17 03:05:38,586 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 03:05:38,586 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:05:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:05:38,586 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:05:38,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-17 03:06:01,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 03:06:01,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:06:01,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1869 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 03:06:01,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:06:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2021-11-17 03:06:02,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:06:02,943 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-17 03:06:02,943 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:06:02,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891343777] [2021-11-17 03:06:02,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891343777] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:06:02,944 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:06:02,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-17 03:06:02,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481900396] [2021-11-17 03:06:02,944 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:06:02,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 03:06:02,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:06:02,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 03:06:02,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 03:06:02,946 INFO L87 Difference]: Start difference. First operand 3610 states and 4876 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-17 03:06:05,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:06:07,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:06:07,469 INFO L93 Difference]: Finished difference Result 10634 states and 14340 transitions. [2021-11-17 03:06:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 03:06:07,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) Word has length 222 [2021-11-17 03:06:07,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:06:07,496 INFO L225 Difference]: With dead ends: 10634 [2021-11-17 03:06:07,497 INFO L226 Difference]: Without dead ends: 7027 [2021-11-17 03:06:07,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-17 03:06:07,510 INFO L933 BasicCegarLoop]: 2713 mSDtfsCounter, 3081 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 457 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 4791 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:06:07,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3081 Valid, 4791 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 218 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-17 03:06:07,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7027 states. [2021-11-17 03:06:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7027 to 6986. [2021-11-17 03:06:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6986 states, 5133 states have (on average 1.3017728423923631) internal successors, (6682), 5224 states have internal predecessors, (6682), 1347 states have call successors, (1347), 498 states have call predecessors, (1347), 505 states have return successors, (1377), 1316 states have call predecessors, (1377), 1345 states have call successors, (1377) [2021-11-17 03:06:07,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6986 states to 6986 states and 9406 transitions. [2021-11-17 03:06:07,754 INFO L78 Accepts]: Start accepts. Automaton has 6986 states and 9406 transitions. Word has length 222 [2021-11-17 03:06:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:06:07,754 INFO L470 AbstractCegarLoop]: Abstraction has 6986 states and 9406 transitions. [2021-11-17 03:06:07,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 4 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (35), 4 states have call predecessors, (35), 4 states have call successors, (35) [2021-11-17 03:06:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 6986 states and 9406 transitions. [2021-11-17 03:06:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-17 03:06:07,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:06:07,765 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] [2021-11-17 03:06:07,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-17 03:06:07,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:06:07,966 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:06:07,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:06:07,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1583384332, now seen corresponding path program 1 times [2021-11-17 03:06:07,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:06:07,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745835470] [2021-11-17 03:06:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:06:07,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:06:07,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:06:07,970 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:06:07,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-17 03:06:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:06:09,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 2007 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 03:06:09,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:06:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-17 03:06:10,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:06:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-17 03:06:12,048 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:06:12,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745835470] [2021-11-17 03:06:12,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745835470] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:06:12,048 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 03:06:12,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-11-17 03:06:12,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526759620] [2021-11-17 03:06:12,049 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 03:06:12,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-17 03:06:12,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:06:12,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-17 03:06:12,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-17 03:06:12,050 INFO L87 Difference]: Start difference. First operand 6986 states and 9406 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) [2021-11-17 03:06:13,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:06:13,475 INFO L93 Difference]: Finished difference Result 14041 states and 18953 transitions. [2021-11-17 03:06:13,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 03:06:13,476 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 [2021-11-17 03:06:13,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:06:13,504 INFO L225 Difference]: With dead ends: 14041 [2021-11-17 03:06:13,504 INFO L226 Difference]: Without dead ends: 6994 [2021-11-17 03:06:13,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-11-17 03:06:13,526 INFO L933 BasicCegarLoop]: 1733 mSDtfsCounter, 11 mSDsluCounter, 12088 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 13821 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-17 03:06:13,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 13821 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-17 03:06:13,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6994 states. [2021-11-17 03:06:13,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6994 to 6994. [2021-11-17 03:06:13,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6994 states, 5141 states have (on average 1.3013032483952538) internal successors, (6690), 5232 states have internal predecessors, (6690), 1347 states have call successors, (1347), 498 states have call predecessors, (1347), 505 states have return successors, (1377), 1316 states have call predecessors, (1377), 1345 states have call successors, (1377) [2021-11-17 03:06:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6994 states to 6994 states and 9414 transitions. [2021-11-17 03:06:13,853 INFO L78 Accepts]: Start accepts. Automaton has 6994 states and 9414 transitions. Word has length 253 [2021-11-17 03:06:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:06:13,854 INFO L470 AbstractCegarLoop]: Abstraction has 6994 states and 9414 transitions. [2021-11-17 03:06:13,854 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) [2021-11-17 03:06:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6994 states and 9414 transitions. [2021-11-17 03:06:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-11-17 03:06:13,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:06:13,862 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] [2021-11-17 03:06:13,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-17 03:06:14,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:06:14,084 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:06:14,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:06:14,084 INFO L85 PathProgramCache]: Analyzing trace with hash 496092909, now seen corresponding path program 2 times [2021-11-17 03:06:14,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:06:14,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618074399] [2021-11-17 03:06:14,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 03:06:14,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:06:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:06:14,088 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:06:14,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-17 03:06:14,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-17 03:06:14,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:06:15,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-17 03:06:15,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:06:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-17 03:06:16,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:06:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-17 03:06:19,738 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:06:19,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618074399] [2021-11-17 03:06:19,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618074399] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:06:19,738 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:06:19,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2021-11-17 03:06:19,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055119716] [2021-11-17 03:06:19,738 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:06:19,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-17 03:06:19,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:06:19,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-17 03:06:19,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-11-17 03:06:19,740 INFO L87 Difference]: Start difference. First operand 6994 states and 9414 transitions. Second operand has 18 states, 18 states have (on average 9.0) internal successors, (162), 12 states have internal predecessors, (162), 2 states have call successors, (38), 2 states have call predecessors, (38), 8 states have return successors, (38), 8 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 03:06:21,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:06:21,463 INFO L93 Difference]: Finished difference Result 18717 states and 26167 transitions. [2021-11-17 03:06:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 03:06:21,464 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.0) internal successors, (162), 12 states have internal predecessors, (162), 2 states have call successors, (38), 2 states have call predecessors, (38), 8 states have return successors, (38), 8 states have call predecessors, (38), 2 states have call successors, (38) Word has length 254 [2021-11-17 03:06:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:06:21,509 INFO L225 Difference]: With dead ends: 18717 [2021-11-17 03:06:21,509 INFO L226 Difference]: Without dead ends: 11726 [2021-11-17 03:06:21,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2021-11-17 03:06:21,535 INFO L933 BasicCegarLoop]: 2301 mSDtfsCounter, 1041 mSDsluCounter, 25160 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 27461 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:06:21,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1185 Valid, 27461 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-17 03:06:21,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11726 states. [2021-11-17 03:06:21,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11726 to 7016. [2021-11-17 03:06:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7016 states, 5157 states have (on average 1.3003684312584836) internal successors, (6706), 5248 states have internal predecessors, (6706), 1347 states have call successors, (1347), 498 states have call predecessors, (1347), 511 states have return successors, (1401), 1322 states have call predecessors, (1401), 1345 states have call successors, (1401) [2021-11-17 03:06:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7016 states to 7016 states and 9454 transitions. [2021-11-17 03:06:21,920 INFO L78 Accepts]: Start accepts. Automaton has 7016 states and 9454 transitions. Word has length 254 [2021-11-17 03:06:21,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:06:21,921 INFO L470 AbstractCegarLoop]: Abstraction has 7016 states and 9454 transitions. [2021-11-17 03:06:21,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.0) internal successors, (162), 12 states have internal predecessors, (162), 2 states have call successors, (38), 2 states have call predecessors, (38), 8 states have return successors, (38), 8 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 03:06:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 7016 states and 9454 transitions. [2021-11-17 03:06:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-17 03:06:21,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:06:21,929 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] [2021-11-17 03:06:21,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-17 03:06:22,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:06:22,152 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:06:22,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:06:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash -791178202, now seen corresponding path program 1 times [2021-11-17 03:06:22,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:06:22,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351458684] [2021-11-17 03:06:22,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:06:22,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:06:22,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:06:22,155 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:06:22,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-17 03:06:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:06:23,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 2053 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-17 03:06:23,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:06:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-11-17 03:06:24,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:06:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-17 03:06:26,699 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:06:26,699 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351458684] [2021-11-17 03:06:26,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351458684] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 03:06:26,699 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 03:06:26,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-11-17 03:06:26,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871021040] [2021-11-17 03:06:26,699 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 03:06:26,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-17 03:06:26,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:06:26,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-17 03:06:26,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-11-17 03:06:26,700 INFO L87 Difference]: Start difference. First operand 7016 states and 9454 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) [2021-11-17 03:06:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:06:28,487 INFO L93 Difference]: Finished difference Result 14101 states and 19049 transitions. [2021-11-17 03:06:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 03:06:28,488 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 [2021-11-17 03:06:28,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:06:28,513 INFO L225 Difference]: With dead ends: 14101 [2021-11-17 03:06:28,514 INFO L226 Difference]: Without dead ends: 7024 [2021-11-17 03:06:28,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-11-17 03:06:28,534 INFO L933 BasicCegarLoop]: 1733 mSDtfsCounter, 10 mSDsluCounter, 17283 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 19016 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:06:28,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 19016 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-17 03:06:28,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7024 states. [2021-11-17 03:06:28,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7024 to 7024. [2021-11-17 03:06:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7024 states, 5165 states have (on average 1.2999031945788964) internal successors, (6714), 5256 states have internal predecessors, (6714), 1347 states have call successors, (1347), 498 states have call predecessors, (1347), 511 states have return successors, (1401), 1322 states have call predecessors, (1401), 1345 states have call successors, (1401) [2021-11-17 03:06:28,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7024 states to 7024 states and 9462 transitions. [2021-11-17 03:06:28,853 INFO L78 Accepts]: Start accepts. Automaton has 7024 states and 9462 transitions. Word has length 274 [2021-11-17 03:06:28,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:06:28,854 INFO L470 AbstractCegarLoop]: Abstraction has 7024 states and 9462 transitions. [2021-11-17 03:06:28,854 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) [2021-11-17 03:06:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 7024 states and 9462 transitions. [2021-11-17 03:06:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-17 03:06:28,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:06:28,864 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] [2021-11-17 03:06:28,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-17 03:06:29,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:06:29,084 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:06:29,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:06:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1320991461, now seen corresponding path program 2 times [2021-11-17 03:06:29,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:06:29,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710509146] [2021-11-17 03:06:29,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 03:06:29,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:06:29,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:06:29,086 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:06:29,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-17 03:06:29,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-17 03:06:29,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 03:06:29,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1531 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-17 03:06:29,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 03:06:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-11-17 03:06:30,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 03:06:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-11-17 03:06:31,770 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-17 03:06:31,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710509146] [2021-11-17 03:06:31,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710509146] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-17 03:06:31,771 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:06:31,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-17 03:06:31,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866189539] [2021-11-17 03:06:31,771 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-17 03:06:31,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 03:06:31,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-17 03:06:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 03:06:31,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 03:06:31,773 INFO L87 Difference]: Start difference. First operand 7024 states and 9462 transitions. Second operand has 8 states, 6 states have (on average 26.166666666666668) internal successors, (157), 7 states have internal predecessors, (157), 4 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-17 03:06:32,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:06:32,760 INFO L93 Difference]: Finished difference Result 16387 states and 22551 transitions. [2021-11-17 03:06:32,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 03:06:32,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 26.166666666666668) internal successors, (157), 7 states have internal predecessors, (157), 4 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 275 [2021-11-17 03:06:32,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:06:32,798 INFO L225 Difference]: With dead ends: 16387 [2021-11-17 03:06:32,798 INFO L226 Difference]: Without dead ends: 9366 [2021-11-17 03:06:32,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 541 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:06:32,821 INFO L933 BasicCegarLoop]: 2223 mSDtfsCounter, 350 mSDsluCounter, 10670 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 12893 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-17 03:06:32,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 12893 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 25 Unchecked, 0.6s Time] [2021-11-17 03:06:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9366 states. [2021-11-17 03:06:33,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9366 to 7024. [2021-11-17 03:06:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7024 states, 5165 states have (on average 1.299515972894482) internal successors, (6712), 5256 states have internal predecessors, (6712), 1347 states have call successors, (1347), 498 states have call predecessors, (1347), 511 states have return successors, (1401), 1322 states have call predecessors, (1401), 1345 states have call successors, (1401) [2021-11-17 03:06:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7024 states to 7024 states and 9460 transitions. [2021-11-17 03:06:33,193 INFO L78 Accepts]: Start accepts. Automaton has 7024 states and 9460 transitions. Word has length 275 [2021-11-17 03:06:33,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:06:33,194 INFO L470 AbstractCegarLoop]: Abstraction has 7024 states and 9460 transitions. [2021-11-17 03:06:33,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 26.166666666666668) internal successors, (157), 7 states have internal predecessors, (157), 4 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-17 03:06:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 7024 states and 9460 transitions. [2021-11-17 03:06:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-17 03:06:33,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:06:33,202 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] [2021-11-17 03:06:33,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-17 03:06:33,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:06:33,424 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:06:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:06:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2097956829, now seen corresponding path program 1 times [2021-11-17 03:06:33,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-17 03:06:33,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392675310] [2021-11-17 03:06:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:06:33,426 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-17 03:06:33,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-17 03:06:33,427 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-17 03:06:33,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-17 03:09:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-17 03:09:11,942 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-17 03:10:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-17 03:10:55,902 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-17 03:10:55,902 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-17 03:10:55,903 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 03:10:56,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-17 03:10:56,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-17 03:10:56,107 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:10:56,109 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-17 03:10:56,167 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-11-17 03:10:56,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:10:56 BoogieIcfgContainer [2021-11-17 03:10:56,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-17 03:10:56,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-17 03:10:56,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-17 03:10:56,398 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-17 03:10:56,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:05:01" (3/4) ... [2021-11-17 03:10:56,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-17 03:10:56,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-17 03:10:56,402 INFO L158 Benchmark]: Toolchain (without parser) took 386105.38ms. Allocated memory was 52.4MB in the beginning and 643.8MB in the end (delta: 591.4MB). Free memory was 23.5MB in the beginning and 215.2MB in the end (delta: -191.7MB). Peak memory consumption was 401.6MB. Max. memory is 16.1GB. [2021-11-17 03:10:56,402 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 52.4MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-17 03:10:56,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4507.47ms. Allocated memory was 52.4MB in the beginning and 237.0MB in the end (delta: 184.5MB). Free memory was 23.2MB in the beginning and 154.3MB in the end (delta: -131.0MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2021-11-17 03:10:56,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 317.37ms. Allocated memory is still 237.0MB. Free memory was 154.3MB in the beginning and 128.0MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-17 03:10:56,404 INFO L158 Benchmark]: Boogie Preprocessor took 252.49ms. Allocated memory is still 237.0MB. Free memory was 128.0MB in the beginning and 99.7MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-17 03:10:56,404 INFO L158 Benchmark]: RCFGBuilder took 25930.29ms. Allocated memory was 237.0MB in the beginning and 520.1MB in the end (delta: 283.1MB). Free memory was 99.7MB in the beginning and 152.9MB in the end (delta: -53.2MB). Peak memory consumption was 234.5MB. Max. memory is 16.1GB. [2021-11-17 03:10:56,404 INFO L158 Benchmark]: TraceAbstraction took 355086.92ms. Allocated memory was 520.1MB in the beginning and 643.8MB in the end (delta: 123.7MB). Free memory was 152.9MB in the beginning and 216.3MB in the end (delta: -63.3MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2021-11-17 03:10:56,404 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 643.8MB. Free memory was 216.3MB in the beginning and 215.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-17 03:10:56,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 52.4MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4507.47ms. Allocated memory was 52.4MB in the beginning and 237.0MB in the end (delta: 184.5MB). Free memory was 23.2MB in the beginning and 154.3MB in the end (delta: -131.0MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 317.37ms. Allocated memory is still 237.0MB. Free memory was 154.3MB in the beginning and 128.0MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 252.49ms. Allocated memory is still 237.0MB. Free memory was 128.0MB in the beginning and 99.7MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 25930.29ms. Allocated memory was 237.0MB in the beginning and 520.1MB in the end (delta: 283.1MB). Free memory was 99.7MB in the beginning and 152.9MB in the end (delta: -53.2MB). Peak memory consumption was 234.5MB. Max. memory is 16.1GB. * TraceAbstraction took 355086.92ms. Allocated memory was 520.1MB in the beginning and 643.8MB in the end (delta: 123.7MB). Free memory was 152.9MB in the beginning and 216.3MB in the end (delta: -63.3MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 643.8MB. Free memory was 216.3MB in the beginning and 215.2MB 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. 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={6917599413569323008:-9214362604183486464}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={6917599413569323008:-9214362604183486464}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={6917599413569323008:-9214362604183486464}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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)=241, \result=242, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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=241, netback_driver={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={239:241}, src={239:241}, tmp___0=242, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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=242, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={239:241}, srcp={239:241}, tmp=242, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={6917599413569323008:-9214362604183486464}, arg0={69:0}, arg1={0:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=2147483778, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={6917599413569323008:-9214362604183486464}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={1582972791437647104:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={1582972791437647104:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={1582972791437647104:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={1582972791437647104:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={1582972791437647104:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={1582972791437647104:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={1582972791437647104:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6736] return (p); VAL [\old(size)=1000, \result={1582972791437647104:0}, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={1582972791437647104:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={1582972791437647104:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={1582972791437647104:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={1582972791437647104:0}, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1582972791437647104:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087411683701021080:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087411683701021080:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={2087411683701021080:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={2087411683701021080:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087411683701021080:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={2087411683701021080:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={2087411683701021080:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6736] return (p); VAL [\old(size)=504, \result={2087411683701021080:0}, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087411683701021080:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={2087411683701021080:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={2087411683701021080:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={2087411683701021080:0}, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1582972791437647104:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={1582972791437647104:0}, tmp___0={2087411683701021080:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={281474976710656:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={281474976710656:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={281474976710656:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={281474976710656:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={281474976710656:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={281474976710656:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={281474976710656:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6736] return (p); VAL [\old(size)=3008, \result={281474976710656:0}, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={281474976710656:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={281474976710656:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={281474976710656:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={281474976710656:0}, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={281474976710656:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087383242914136064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087383242914136064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={2087383242914136064:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={2087383242914136064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087383242914136064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={2087383242914136064:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={2087383242914136064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6736] return (p); VAL [\old(size)=1664, \result={2087383242914136064:0}, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={2087383242914136064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={2087383242914136064:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={2087383242914136064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={0:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={2087383242914136064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087411683701022105:0}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={4295000064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={4295000064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={4295000064:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={4295000064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={4295000064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={4295000064:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={4295000064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6736] return (p); VAL [\old(size)=32, \result={4295000064:0}, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={4295000064:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={4295000064:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={4295000064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={4295000064:0}, 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={2087411683701022105:0}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087411683701022105:0}, ldvarg2={4295000064:0}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={4295000064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={626:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={626:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={626:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={626:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={626:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={626:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={626:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6736] return (p); VAL [\old(size)=2336, \result={626:0}, __this_module={6917599413569323008:-9214362604183486464}, calloc(1UL, size)={626:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={626:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={626:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={626:0}, 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={2087411683701022105:0}, ldvarg2={4295000064:0}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={4295000064:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087411683701022105:0}, ldvarg1={626:0}, ldvarg2={4295000064:0}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={4295000064:0}, tmp___0={626:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=null, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={2087411683701022105:0}, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=null, __this_module={6917599413569323008:-9214362604183486464}, c=0, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={2087411683701022105:0}, s={2087411683701022105:0}, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=null, __this_module={6917599413569323008:-9214362604183486464}, c=0, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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)={2087411683701022105:0}, n=null, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={2087411683701022105:0}, s={2087411683701022105:0}, separate_tx_rx_irq=1, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=null, \result={2087411683701022105:0}, __this_module={6917599413569323008:-9214362604183486464}, c=0, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={2087411683701022105:0}, s={2087411683701022105:0}, separate_tx_rx_irq=1, tmp={2087411683701022105:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={2087411683701022105:0}, 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={2087411683701022105:0}, ldvarg1={626:0}, ldvarg2={4295000064:0}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={4295000064:0}, tmp___0={626:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087411683701022105:0}, ldvarg1={626:0}, ldvarg2={4295000064:0}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={4295000064:0}, tmp___0={626:0}, tmp___1=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=32976, \old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={456:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={456:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={456:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={456:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ptr={456:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11777] bool tmp ; VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ptr={456:0}, ptr={456:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ptr={456:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ptr={456:0}, ptr={456:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ptr={456:0}, ptr={456:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ptr={456:0}, ptr={456:0}, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={456:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={456:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={6917599413569323008:-9214362604183486464}, cond=1, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={456:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={456:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6706] return (p); VAL [\old(size)=72, \result={456:0}, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, p={456:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={456:0}, tmp___0=0, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=null, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={456:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={456:0}, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={456:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={456:0}, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, kzalloc(72UL, 208U)={456:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, data={456:0}, dev={2087383242914136064:60}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10323] dev->driver_data = data VAL [__this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, data={456:0}, data={456:0}, dev={2087383242914136064:60}, dev={2087383242914136064:60}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10661] sg = 1 VAL [__constr_expr_0={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={456:0}, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, err=2147615744, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={456:0}, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, descriptor___1.flags=0, dev={2087383242914136064:0}, dev={2087383242914136064:0}, err=2147615744, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={456:0}, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={6917599413569323008:-9214362604183486464}, c=0, cpu_online_mask={239:241}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, descriptor___1.flags=0, dev={2087383242914136064:0}, dev={2087383242914136064:0}, err=2147615744, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={456:0}, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND FALSE !(tmp___5 != 0L) VAL [__constr_expr_0={2087411692429377287:0}, __constr_expr_1={2232651661887668230:0}, __constr_expr_2={2089663475377782791:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, descriptor={2233777561794527238:0}, descriptor___0={2087416073610608644:0}, descriptor___1={-2466009563951006592:0}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, err=2147615744, fatal_skb_slots=20, id={4295000064:0}, id={4295000064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={456:0}, tmp___5=0, xbt={2157151498825857031:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, dev={2087383242914136064:60}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, dev_get_drvdata((struct device const *)(& dev->dev))={456:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, be={456:0}, be={456:0}, be->state=6, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, be={456:0}, be={456:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, be={456:0}, be={456:0}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, be->vif={-8646849415546928128:-46}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, arg0={2087383242914136064:76}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=243, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, be->vif={-8646849415546928128:-46}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={-8646849415546928128:-46}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={-8646849415546928128:-46}, vif={-8646849415546928128:-46}, vif->credit_watch.node={128:-128}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={-2431943798775864179:0}, __this_module={6917599413569323008:-9214362604183486464}, be={456:0}, be->vif={-8646849415546928128:-46}, cpu_online_mask={239:241}, dev={2087383242914136064:0}, dev={2087383242914136064:0}, 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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={456:0}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, dev={1154056234970657889:1170935903384768528}, dev={1154056234970657889:1170935903384768528}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={-8646849415546928128:-46}, vif={-8646849415546928128:-46}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={-8646849415546928128:-46}, vif={-8646849415546928128:-46}, vif->queues={17180983552:144116287621300296}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={-8646849415546928128:-46}, vif={-8646849415546928128:-46}, vif->queues={17180983552:144116287621300296}, xen_domain_type=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, dev={1154056234970657889:1170935903384768528}, dev={1154056234970657889:1170935903384768528}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, dev={1154056234970657889:1170935903384768528}, dev={1154056234970657889:1170935903384768528}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={6917599413569323008:-9214362604183486464}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={6917599413569323008:-9214362604183486464}, module={6917599413569323008:-9214362604183486464}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={6917599413569323008:-9214362604183486464}, module={6917599413569323008:-9214362604183486464}, netback_driver={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] [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={6917599413569323008:-9214362604183486464}, cpu_online_mask={239:241}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=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={2087418427286224931:0}, netback_driver_group0={2087383242914136064:0}, netback_ids={-9223372036854771677:0}, nr_cpu_ids=241, 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={2087411683701022115:0}, xenvif_dbg_io_ring_ops_fops_group1={1582972791437647104:0}, xenvif_dbg_io_ring_ops_fops_group2={2087411683701021080:0}, xenvif_ethtool_ops={2154970080939607798:0}, xenvif_ethtool_ops_group0={281474976710656:0}, xenvif_max_queues=242, xenvif_netdev_ops={2305843009213693987:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={2087416073547117811:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1308 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 354.7s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 10459 SdHoareTripleChecker+Valid, 16.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10035 mSDsluCounter, 141076 SdHoareTripleChecker+Invalid, 15.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 25 IncrementalHoareTripleChecker+Unchecked, 115435 mSDsCounter, 733 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1213 IncrementalHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 733 mSolverCounterUnsat, 25641 mSDtfsCounter, 1213 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5256 GetRequests, 5150 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7024occurred in iteration=12, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 9751 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 187.4s SatisfiabilityAnalysisTime, 31.1s InterpolantComputationTime, 2906 NumberOfCodeBlocks, 2596 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5236 ConstructedInterpolants, 2 QuantifiedInterpolants, 6665 SizeOfPredicates, 31 NumberOfNonLiveVariables, 22794 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 4970/4990 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 [2021-11-17 03:10:56,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample