./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 791161d1 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 0.2.2-?-791161d [2022-07-23 00:41:52,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:41:52,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:41:52,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:41:52,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:41:52,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:41:52,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:41:52,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:41:52,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:41:52,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:41:52,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:41:52,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:41:52,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:41:52,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:41:52,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:41:52,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:41:52,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:41:52,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:41:52,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:41:52,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:41:52,378 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:41:52,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:41:52,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:41:52,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:41:52,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:41:52,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:41:52,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:41:52,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:41:52,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:41:52,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:41:52,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:41:52,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:41:52,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:41:52,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:41:52,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:41:52,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:41:52,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:41:52,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:41:52,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:41:52,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:41:52,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:41:52,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:41:52,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:41:52,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:41:52,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:41:52,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:41:52,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:41:52,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:41:52,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:41:52,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:41:52,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:41:52,430 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:41:52,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:41:52,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:41:52,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:41:52,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:41:52,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:41:52,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:41:52,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:41:52,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:41:52,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:41:52,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:41:52,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:41:52,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:41:52,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:41:52,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:41:52,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:41:52,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:41:52,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:41:52,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:41:52,435 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:41:52,435 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:41:52,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:41:52,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-07-23 00:41:52,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:41:52,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:41:52,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:41:52,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:41:52,688 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:41:52,689 INFO L432 ainManager$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 [2022-07-23 00:41:52,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b863f4f62/d9d57ab5ae624f89877b84a3abff437c/FLAGc9fdebd33 [2022-07-23 00:41:53,525 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:41:53,526 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 [2022-07-23 00:41:53,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b863f4f62/d9d57ab5ae624f89877b84a3abff437c/FLAGc9fdebd33 [2022-07-23 00:41:53,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b863f4f62/d9d57ab5ae624f89877b84a3abff437c [2022-07-23 00:41:53,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:41:53,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:41:53,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:41:53,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:41:53,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:41:53,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:41:53" (1/1) ... [2022-07-23 00:41:53,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae06717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:53, skipping insertion in model container [2022-07-23 00:41:53,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:41:53" (1/1) ... [2022-07-23 00:41:53,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:41:53,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:41:57,440 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] [2022-07-23 00:41:57,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:41:57,564 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:41:58,076 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] [2022-07-23 00:41:58,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:41:58,204 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:41:58,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58 WrapperNode [2022-07-23 00:41:58,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:41:58,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:41:58,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:41:58,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:41:58,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,417 INFO L137 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4483 [2022-07-23 00:41:58,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:41:58,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:41:58,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:41:58,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:41:58,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:41:58,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:41:58,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:41:58,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:41:58,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (1/1) ... [2022-07-23 00:41:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:41:58,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:41:58,665 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) [2022-07-23 00:41:58,671 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 [2022-07-23 00:41:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-23 00:41:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-23 00:41:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-23 00:41:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-07-23 00:41:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-07-23 00:41:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-23 00:41:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-23 00:41:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:41:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:41:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-07-23 00:41:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-07-23 00:41:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 00:41:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 00:41:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-07-23 00:41:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-07-23 00:41:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:41:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:41:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-07-23 00:41:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-07-23 00:41:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-07-23 00:41:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-07-23 00:41:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 00:41:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 00:41:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-07-23 00:41:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-07-23 00:41:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:41:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:41:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-07-23 00:41:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-07-23 00:41:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 00:41:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 00:41:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 00:41:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 00:41:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:41:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:41:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-07-23 00:41:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-07-23 00:41:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:41:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:41:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-07-23 00:41:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-07-23 00:41:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:41:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-23 00:41:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-23 00:41:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:41:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:41:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 00:41:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 00:41:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:41:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-23 00:41:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-23 00:41:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 00:41:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 00:41:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 00:41:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 00:41:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:41:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-07-23 00:41:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-07-23 00:41:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:41:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:41:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:41:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-07-23 00:41:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-07-23 00:41:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-23 00:41:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-23 00:41:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-07-23 00:41:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-07-23 00:41:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-07-23 00:41:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-07-23 00:41:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 00:41:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 00:41:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:41:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:41:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-07-23 00:41:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-07-23 00:41:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:41:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-07-23 00:41:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-07-23 00:41:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:41:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:41:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-07-23 00:41:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-07-23 00:41:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-23 00:41:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-23 00:41:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-23 00:41:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-23 00:41:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-07-23 00:41:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-07-23 00:41:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 00:41:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 00:41:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 00:41:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 00:41:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:41:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:41:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:41:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:41:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:41:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:41:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-07-23 00:41:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-07-23 00:41:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:41:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:41:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 00:41:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 00:41:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-07-23 00:41:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-07-23 00:41:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 00:41:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 00:41:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-23 00:41:58,710 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-23 00:41:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-07-23 00:41:58,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-07-23 00:41:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-23 00:41:58,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-23 00:41:58,710 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-23 00:41:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-23 00:41:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 00:41:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 00:41:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-07-23 00:41:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-07-23 00:41:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-23 00:41:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-23 00:41:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:41:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:41:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:41:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:41:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:41:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:41:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-23 00:41:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-23 00:41:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 00:41:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 00:41:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-07-23 00:41:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-07-23 00:41:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-07-23 00:41:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-07-23 00:41:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 00:41:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 00:41:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:41:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 00:41:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 00:41:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-07-23 00:41:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-07-23 00:41:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:41:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-07-23 00:41:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-07-23 00:41:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-23 00:41:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-23 00:41:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-07-23 00:41:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-07-23 00:41:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-23 00:41:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-23 00:41:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:41:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:41:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:41:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:41:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:41:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 00:41:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 00:41:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-23 00:41:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-23 00:41:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 00:41:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 00:41:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-07-23 00:41:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-07-23 00:41:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 00:41:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 00:41:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:41:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:41:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:41:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:41:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:41:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-23 00:41:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-23 00:41:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-07-23 00:41:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-07-23 00:41:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:41:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:41:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 00:41:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 00:41:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 00:41:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 00:41:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 00:41:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 00:41:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 00:41:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 00:41:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 00:41:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 00:41:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:41:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-07-23 00:41:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-07-23 00:41:59,214 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:41:59,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:41:59,345 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:42:04,360 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:42:04,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:42:04,372 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 00:42:04,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:42:04 BoogieIcfgContainer [2022-07-23 00:42:04,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:42:04,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:42:04,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:42:04,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:42:04,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:41:53" (1/3) ... [2022-07-23 00:42:04,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf89303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:42:04, skipping insertion in model container [2022-07-23 00:42:04,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:41:58" (2/3) ... [2022-07-23 00:42:04,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf89303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:42:04, skipping insertion in model container [2022-07-23 00:42:04,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:42:04" (3/3) ... [2022-07-23 00:42:04,382 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 [2022-07-23 00:42:04,394 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:42:04,395 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:42:04,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:42:04,461 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7003da3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@482fe0e9 [2022-07-23 00:42:04,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:42:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 1327 states, 968 states have (on average 1.334710743801653) internal successors, (1292), 994 states have internal predecessors, (1292), 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) [2022-07-23 00:42:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-23 00:42:04,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:42:04,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:42:04,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:42:04,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:42:04,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2068181314, now seen corresponding path program 1 times [2022-07-23 00:42:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:42:04,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256648363] [2022-07-23 00:42:04,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:42:04,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:42:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 00:42:04,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:42:04,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256648363] [2022-07-23 00:42:04,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256648363] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:42:04,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:42:04,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 00:42:04,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390010340] [2022-07-23 00:42:04,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:42:04,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:42:04,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:42:05,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:42:05,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 00:42:05,013 INFO L87 Difference]: Start difference. First operand has 1327 states, 968 states have (on average 1.334710743801653) internal successors, (1292), 994 states have internal predecessors, (1292), 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) [2022-07-23 00:42:05,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:42:05,246 INFO L93 Difference]: Finished difference Result 3965 states and 5590 transitions. [2022-07-23 00:42:05,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:42:05,250 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 [2022-07-23 00:42:05,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:42:05,282 INFO L225 Difference]: With dead ends: 3965 [2022-07-23 00:42:05,282 INFO L226 Difference]: Without dead ends: 2593 [2022-07-23 00:42:05,299 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:42:05,305 INFO L413 NwaCegarLoop]: 2069 mSDtfsCounter, 1786 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 3864 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 [2022-07-23 00:42:05,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 3864 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 00:42:05,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2022-07-23 00:42:05,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2590. [2022-07-23 00:42:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2590 states, 1893 states have (on average 1.3026941362916007) internal successors, (2466), 1927 states have internal predecessors, (2466), 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) [2022-07-23 00:42:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 3516 transitions. [2022-07-23 00:42:05,498 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 3516 transitions. Word has length 19 [2022-07-23 00:42:05,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:42:05,499 INFO L495 AbstractCegarLoop]: Abstraction has 2590 states and 3516 transitions. [2022-07-23 00:42:05,500 INFO L496 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) [2022-07-23 00:42:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3516 transitions. [2022-07-23 00:42:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-23 00:42:05,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:42:05,515 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:42:05,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:42:05,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:42:05,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:42:05,516 INFO L85 PathProgramCache]: Analyzing trace with hash -870677935, now seen corresponding path program 1 times [2022-07-23 00:42:05,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:42:05,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193754679] [2022-07-23 00:42:05,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:42:05,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:42:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 00:42:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-23 00:42:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-23 00:42:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 00:42:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:42:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 00:42:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 00:42:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 00:42:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:42:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-23 00:42:05,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:42:05,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193754679] [2022-07-23 00:42:05,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193754679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:42:05,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:42:05,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:42:05,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703386065] [2022-07-23 00:42:05,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:42:05,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:42:05,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:42:05,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:42:05,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:42:05,973 INFO L87 Difference]: Start difference. First operand 2590 states and 3516 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) [2022-07-23 00:42:11,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:42:11,258 INFO L93 Difference]: Finished difference Result 6749 states and 9252 transitions. [2022-07-23 00:42:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:42:11,259 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 [2022-07-23 00:42:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:42:11,284 INFO L225 Difference]: With dead ends: 6749 [2022-07-23 00:42:11,285 INFO L226 Difference]: Without dead ends: 4162 [2022-07-23 00:42:11,299 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:42:11,300 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 3280 mSDsluCounter, 1984 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 1964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3381 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 3412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1964 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:42:11,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3381 Valid, 3736 Invalid, 3412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1964 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-23 00:42:11,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4162 states. [2022-07-23 00:42:11,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4162 to 3640. [2022-07-23 00:42:11,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3640 states, 2690 states have (on average 1.3096654275092936) internal successors, (3523), 2735 states have internal predecessors, (3523), 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) [2022-07-23 00:42:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 3640 states and 4925 transitions. [2022-07-23 00:42:11,485 INFO L78 Accepts]: Start accepts. Automaton has 3640 states and 4925 transitions. Word has length 106 [2022-07-23 00:42:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:42:11,486 INFO L495 AbstractCegarLoop]: Abstraction has 3640 states and 4925 transitions. [2022-07-23 00:42:11,486 INFO L496 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) [2022-07-23 00:42:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4925 transitions. [2022-07-23 00:42:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-23 00:42:11,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:42:11,498 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:42:11,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:42:11,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:42:11,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:42:11,499 INFO L85 PathProgramCache]: Analyzing trace with hash 161380544, now seen corresponding path program 1 times [2022-07-23 00:42:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:42:11,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695526676] [2022-07-23 00:42:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:42:11,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:42:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:42:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 00:42:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 00:42:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 00:42:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 00:42:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 00:42:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-23 00:42:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:42:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 00:42:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 00:42:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 00:42:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 00:42:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:42:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 00:42:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 00:42:12,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:42:12,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695526676] [2022-07-23 00:42:12,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695526676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:42:12,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:42:12,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:42:12,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868651415] [2022-07-23 00:42:12,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:42:12,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:42:12,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:42:12,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:42:12,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:42:12,079 INFO L87 Difference]: Start difference. First operand 3640 states and 4925 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) [2022-07-23 00:42:15,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:42:18,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:42:18,098 INFO L93 Difference]: Finished difference Result 7804 states and 10670 transitions. [2022-07-23 00:42:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 00:42:18,099 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 [2022-07-23 00:42:18,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:42:18,121 INFO L225 Difference]: With dead ends: 7804 [2022-07-23 00:42:18,122 INFO L226 Difference]: Without dead ends: 4161 [2022-07-23 00:42:18,135 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:42:18,136 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1371 mSDsluCounter, 3122 mSDsCounter, 0 mSdLazyCounter, 2018 mSolverCounterSat, 1067 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 4785 SdHoareTripleChecker+Invalid, 3086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 2018 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:42:18,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 4785 Invalid, 3086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1067 Valid, 2018 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-07-23 00:42:18,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4161 states. [2022-07-23 00:42:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4161 to 3643. [2022-07-23 00:42:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3643 states, 2693 states have (on average 1.3085777942814705) internal successors, (3524), 2738 states have internal predecessors, (3524), 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) [2022-07-23 00:42:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 4926 transitions. [2022-07-23 00:42:18,276 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 4926 transitions. Word has length 185 [2022-07-23 00:42:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:42:18,277 INFO L495 AbstractCegarLoop]: Abstraction has 3643 states and 4926 transitions. [2022-07-23 00:42:18,277 INFO L496 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) [2022-07-23 00:42:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4926 transitions. [2022-07-23 00:42:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-23 00:42:18,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:42:18,284 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:42:18,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:42:18,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:42:18,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:42:18,285 INFO L85 PathProgramCache]: Analyzing trace with hash -763514272, now seen corresponding path program 1 times [2022-07-23 00:42:18,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:42:18,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975334835] [2022-07-23 00:42:18,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:42:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:42:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 00:42:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 00:42:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:42:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 00:42:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:42:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:42:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 00:42:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 00:42:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 00:42:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 00:42:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:42:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 00:42:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 00:42:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 00:42:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 00:42:18,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:42:18,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975334835] [2022-07-23 00:42:18,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975334835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:42:18,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:42:18,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:42:18,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576719252] [2022-07-23 00:42:18,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:42:18,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:42:18,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:42:18,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:42:18,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:42:18,836 INFO L87 Difference]: Start difference. First operand 3643 states and 4926 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) [2022-07-23 00:42:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:42:26,361 INFO L93 Difference]: Finished difference Result 10543 states and 14434 transitions. [2022-07-23 00:42:26,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 00:42:26,364 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 [2022-07-23 00:42:26,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:42:26,404 INFO L225 Difference]: With dead ends: 10543 [2022-07-23 00:42:26,404 INFO L226 Difference]: Without dead ends: 6903 [2022-07-23 00:42:26,422 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:42:26,423 INFO L413 NwaCegarLoop]: 1815 mSDtfsCounter, 4021 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 3366 mSolverCounterSat, 1840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4267 SdHoareTripleChecker+Valid, 5064 SdHoareTripleChecker+Invalid, 5206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1840 IncrementalHoareTripleChecker+Valid, 3366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:42:26,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4267 Valid, 5064 Invalid, 5206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1840 Valid, 3366 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-07-23 00:42:26,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6903 states. [2022-07-23 00:42:26,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6903 to 5972. [2022-07-23 00:42:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5972 states, 4400 states have (on average 1.3052272727272727) internal successors, (5743), 4480 states have internal predecessors, (5743), 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) [2022-07-23 00:42:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5972 states to 5972 states and 8057 transitions. [2022-07-23 00:42:26,661 INFO L78 Accepts]: Start accepts. Automaton has 5972 states and 8057 transitions. Word has length 194 [2022-07-23 00:42:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:42:26,663 INFO L495 AbstractCegarLoop]: Abstraction has 5972 states and 8057 transitions. [2022-07-23 00:42:26,664 INFO L496 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) [2022-07-23 00:42:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 5972 states and 8057 transitions. [2022-07-23 00:42:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-23 00:42:26,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:42:26,672 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:42:26,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:42:26,672 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:42:26,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:42:26,673 INFO L85 PathProgramCache]: Analyzing trace with hash -114421771, now seen corresponding path program 1 times [2022-07-23 00:42:26,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:42:26,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971932948] [2022-07-23 00:42:26,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:42:26,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:42:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 00:42:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 00:42:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:42:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 00:42:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:42:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:42:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 00:42:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 00:42:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 00:42:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:42:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 00:42:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:42:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 00:42:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:42:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:42:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 00:42:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:42:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 00:42:27,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:42:27,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971932948] [2022-07-23 00:42:27,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971932948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:42:27,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:42:27,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:42:27,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719706577] [2022-07-23 00:42:27,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:42:27,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:42:27,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:42:27,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:42:27,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:42:27,283 INFO L87 Difference]: Start difference. First operand 5972 states and 8057 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) [2022-07-23 00:42:29,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:42:32,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:42:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:42:38,496 INFO L93 Difference]: Finished difference Result 12877 states and 17589 transitions. [2022-07-23 00:42:38,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:42:38,502 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 [2022-07-23 00:42:38,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:42:38,543 INFO L225 Difference]: With dead ends: 12877 [2022-07-23 00:42:38,543 INFO L226 Difference]: Without dead ends: 6908 [2022-07-23 00:42:38,571 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:42:38,572 INFO L413 NwaCegarLoop]: 1646 mSDtfsCounter, 2252 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 2125 mSolverCounterSat, 654 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 2780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 2125 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:42:38,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 4588 Invalid, 2780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 2125 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-07-23 00:42:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6908 states. [2022-07-23 00:42:38,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6908 to 5972. [2022-07-23 00:42:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5972 states, 4400 states have (on average 1.3038636363636364) internal successors, (5737), 4480 states have internal predecessors, (5737), 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) [2022-07-23 00:42:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5972 states to 5972 states and 8051 transitions. [2022-07-23 00:42:38,914 INFO L78 Accepts]: Start accepts. Automaton has 5972 states and 8051 transitions. Word has length 225 [2022-07-23 00:42:38,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:42:38,914 INFO L495 AbstractCegarLoop]: Abstraction has 5972 states and 8051 transitions. [2022-07-23 00:42:38,915 INFO L496 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) [2022-07-23 00:42:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5972 states and 8051 transitions. [2022-07-23 00:42:38,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-23 00:42:38,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:42:38,923 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:42:38,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:42:38,923 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:42:38,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:42:38,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2106524723, now seen corresponding path program 1 times [2022-07-23 00:42:38,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:42:38,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79393060] [2022-07-23 00:42:38,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:42:38,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:42:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 00:42:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 00:42:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:42:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 00:42:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:42:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:42:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 00:42:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 00:42:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 00:42:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:42:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 00:42:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:42:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 00:42:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:42:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:42:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 00:42:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:42:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-23 00:42:39,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:42:39,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79393060] [2022-07-23 00:42:39,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79393060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:42:39,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:42:39,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-07-23 00:42:39,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496937473] [2022-07-23 00:42:39,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:42:39,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-23 00:42:39,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:42:39,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-23 00:42:39,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:42:39,724 INFO L87 Difference]: Start difference. First operand 5972 states and 8051 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) [2022-07-23 00:42:50,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:42:52,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:42:52,278 INFO L93 Difference]: Finished difference Result 14639 states and 20414 transitions. [2022-07-23 00:42:52,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 00:42:52,279 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 [2022-07-23 00:42:52,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:42:52,332 INFO L225 Difference]: With dead ends: 14639 [2022-07-23 00:42:52,332 INFO L226 Difference]: Without dead ends: 8670 [2022-07-23 00:42:52,355 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:42:52,357 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 1727 mSDsluCounter, 15385 mSDsCounter, 0 mSdLazyCounter, 7712 mSolverCounterSat, 1081 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 17513 SdHoareTripleChecker+Invalid, 8794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1081 IncrementalHoareTripleChecker+Valid, 7712 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:42:52,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 17513 Invalid, 8794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1081 Valid, 7712 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-07-23 00:42:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8670 states. [2022-07-23 00:42:52,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8670 to 5994. [2022-07-23 00:42:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5994 states, 4416 states have (on average 1.3027626811594204) internal successors, (5753), 4496 states have internal predecessors, (5753), 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) [2022-07-23 00:42:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 8091 transitions. [2022-07-23 00:42:52,621 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 8091 transitions. Word has length 225 [2022-07-23 00:42:52,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:42:52,623 INFO L495 AbstractCegarLoop]: Abstraction has 5994 states and 8091 transitions. [2022-07-23 00:42:52,623 INFO L496 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) [2022-07-23 00:42:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 8091 transitions. [2022-07-23 00:42:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-23 00:42:52,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:42:52,633 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:42:52,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:42:52,634 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:42:52,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:42:52,635 INFO L85 PathProgramCache]: Analyzing trace with hash 434745781, now seen corresponding path program 1 times [2022-07-23 00:42:52,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:42:52,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855090176] [2022-07-23 00:42:52,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:42:52,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:42:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 00:42:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 00:42:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:42:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 00:42:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:42:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:42:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:42:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 00:42:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 00:42:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:42:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:42:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:42:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:42:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 00:42:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:42:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 00:42:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 00:42:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 00:42:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:42:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 00:42:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:42:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 00:42:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:42:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-23 00:42:53,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:42:53,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855090176] [2022-07-23 00:42:53,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855090176] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:42:53,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:42:53,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 00:42:53,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354320473] [2022-07-23 00:42:53,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:42:53,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 00:42:53,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:42:53,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 00:42:53,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-07-23 00:42:53,460 INFO L87 Difference]: Start difference. First operand 5994 states and 8091 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) [2022-07-23 00:42:57,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:42:58,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:43:05,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:43:05,864 INFO L93 Difference]: Finished difference Result 12933 states and 17657 transitions. [2022-07-23 00:43:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:43:05,865 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 [2022-07-23 00:43:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:43:05,897 INFO L225 Difference]: With dead ends: 12933 [2022-07-23 00:43:05,898 INFO L226 Difference]: Without dead ends: 6942 [2022-07-23 00:43:05,918 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:43:05,919 INFO L413 NwaCegarLoop]: 1644 mSDtfsCounter, 998 mSDsluCounter, 7498 mSDsCounter, 0 mSdLazyCounter, 4904 mSolverCounterSat, 729 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 9142 SdHoareTripleChecker+Invalid, 5634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 4904 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-07-23 00:43:05,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 9142 Invalid, 5634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 4904 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-07-23 00:43:05,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6942 states. [2022-07-23 00:43:06,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6942 to 6042. [2022-07-23 00:43:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6042 states, 4446 states have (on average 1.3020692757534862) internal successors, (5789), 4532 states have internal predecessors, (5789), 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) [2022-07-23 00:43:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6042 states to 6042 states and 8145 transitions. [2022-07-23 00:43:06,259 INFO L78 Accepts]: Start accepts. Automaton has 6042 states and 8145 transitions. Word has length 245 [2022-07-23 00:43:06,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:43:06,259 INFO L495 AbstractCegarLoop]: Abstraction has 6042 states and 8145 transitions. [2022-07-23 00:43:06,259 INFO L496 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) [2022-07-23 00:43:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 6042 states and 8145 transitions. [2022-07-23 00:43:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-23 00:43:06,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:43:06,268 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:43:06,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:43:06,269 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:43:06,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:43:06,269 INFO L85 PathProgramCache]: Analyzing trace with hash -163035237, now seen corresponding path program 1 times [2022-07-23 00:43:06,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:43:06,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237147552] [2022-07-23 00:43:06,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:43:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 00:43:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 00:43:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-23 00:43:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 00:43:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:43:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:43:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 00:43:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 00:43:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:43:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:43:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:43:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:43:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 00:43:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:43:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:43:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:43:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:43:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 00:43:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 00:43:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 00:43:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-23 00:43:06,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:43:06,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237147552] [2022-07-23 00:43:06,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237147552] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:43:06,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66690430] [2022-07-23 00:43:06,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:06,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:43:06,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:43:06,860 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) [2022-07-23 00:43:06,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 00:43:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:07,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 3903 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 00:43:07,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:43:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-23 00:43:07,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:43:07,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66690430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:43:07,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:43:07,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-07-23 00:43:07,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487084551] [2022-07-23 00:43:07,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:43:07,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:43:07,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:43:07,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:43:07,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:43:07,734 INFO L87 Difference]: Start difference. First operand 6042 states and 8145 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) [2022-07-23 00:43:07,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:43:07,993 INFO L93 Difference]: Finished difference Result 12112 states and 16327 transitions. [2022-07-23 00:43:07,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 00:43:07,994 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 [2022-07-23 00:43:07,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:43:08,013 INFO L225 Difference]: With dead ends: 12112 [2022-07-23 00:43:08,013 INFO L226 Difference]: Without dead ends: 6058 [2022-07-23 00:43:08,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-07-23 00:43:08,031 INFO L413 NwaCegarLoop]: 1769 mSDtfsCounter, 22 mSDsluCounter, 5294 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7063 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:43:08,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7063 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:43:08,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2022-07-23 00:43:08,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 6033. [2022-07-23 00:43:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6033 states, 4437 states have (on average 1.3008789722785665) internal successors, (5772), 4523 states have internal predecessors, (5772), 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) [2022-07-23 00:43:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6033 states to 6033 states and 8128 transitions. [2022-07-23 00:43:08,303 INFO L78 Accepts]: Start accepts. Automaton has 6033 states and 8128 transitions. Word has length 246 [2022-07-23 00:43:08,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:43:08,304 INFO L495 AbstractCegarLoop]: Abstraction has 6033 states and 8128 transitions. [2022-07-23 00:43:08,304 INFO L496 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) [2022-07-23 00:43:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6033 states and 8128 transitions. [2022-07-23 00:43:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-23 00:43:08,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:43:08,311 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:43:08,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:43:08,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:43:08,524 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:43:08,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:43:08,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1610975651, now seen corresponding path program 1 times [2022-07-23 00:43:08,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:43:08,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137935652] [2022-07-23 00:43:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:08,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:43:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:43:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 00:43:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-23 00:43:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 00:43:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-23 00:43:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:43:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:43:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:43:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:43:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 00:43:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:43:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:43:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:43:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 00:43:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:43:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:08,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 00:43:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 00:43:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:43:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 00:43:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:43:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:43:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 00:43:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-23 00:43:09,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:43:09,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137935652] [2022-07-23 00:43:09,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137935652] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:43:09,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:43:09,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-23 00:43:09,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835025644] [2022-07-23 00:43:09,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:43:09,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 00:43:09,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:43:09,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 00:43:09,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-07-23 00:43:09,052 INFO L87 Difference]: Start difference. First operand 6033 states and 8128 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) [2022-07-23 00:43:12,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:43:17,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:43:20,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:43:26,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:43:26,548 INFO L93 Difference]: Finished difference Result 15589 states and 21614 transitions. [2022-07-23 00:43:26,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-23 00:43:26,549 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 [2022-07-23 00:43:26,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:43:26,588 INFO L225 Difference]: With dead ends: 15589 [2022-07-23 00:43:26,589 INFO L226 Difference]: Without dead ends: 9559 [2022-07-23 00:43:26,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-07-23 00:43:26,611 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 2528 mSDsluCounter, 13170 mSDsCounter, 0 mSdLazyCounter, 7721 mSolverCounterSat, 1190 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 15396 SdHoareTripleChecker+Invalid, 8913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 7721 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:43:26,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2760 Valid, 15396 Invalid, 8913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1190 Valid, 7721 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2022-07-23 00:43:26,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9559 states. [2022-07-23 00:43:26,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9559 to 6705. [2022-07-23 00:43:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 4937 states have (on average 1.2973465667409358) internal successors, (6405), 5028 states have internal predecessors, (6405), 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) [2022-07-23 00:43:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 8970 transitions. [2022-07-23 00:43:26,935 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 8970 transitions. Word has length 266 [2022-07-23 00:43:26,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:43:26,936 INFO L495 AbstractCegarLoop]: Abstraction has 6705 states and 8970 transitions. [2022-07-23 00:43:26,936 INFO L496 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) [2022-07-23 00:43:26,936 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 8970 transitions. [2022-07-23 00:43:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-23 00:43:26,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:43:26,947 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:43:26,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 00:43:26,947 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:43:26,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:43:26,948 INFO L85 PathProgramCache]: Analyzing trace with hash 731086378, now seen corresponding path program 1 times [2022-07-23 00:43:26,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:43:26,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290243359] [2022-07-23 00:43:26,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:26,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:43:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:43:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 00:43:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:43:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 00:43:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 00:43:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:43:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 00:43:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 00:43:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 00:43:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:43:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:43:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:43:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:43:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:43:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 00:43:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:43:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:43:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:43:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 00:43:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 00:43:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 00:43:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 00:43:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 00:43:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-23 00:43:27,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:43:27,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290243359] [2022-07-23 00:43:27,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290243359] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:43:27,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522022342] [2022-07-23 00:43:27,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:27,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:43:27,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:43:27,611 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) [2022-07-23 00:43:27,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 00:43:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:28,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 4012 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-23 00:43:28,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:43:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-23 00:43:28,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:43:28,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522022342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:43:28,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:43:28,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 18 [2022-07-23 00:43:28,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955220570] [2022-07-23 00:43:28,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:43:28,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:43:28,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:43:28,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:43:28,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-07-23 00:43:28,996 INFO L87 Difference]: Start difference. First operand 6705 states and 8970 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 7 states have internal predecessors, (138), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 00:43:30,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:43:30,911 INFO L93 Difference]: Finished difference Result 19317 states and 25850 transitions. [2022-07-23 00:43:30,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:43:30,911 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 7 states have internal predecessors, (138), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 272 [2022-07-23 00:43:30,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:43:30,957 INFO L225 Difference]: With dead ends: 19317 [2022-07-23 00:43:30,958 INFO L226 Difference]: Without dead ends: 13003 [2022-07-23 00:43:30,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 342 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2022-07-23 00:43:30,980 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 1757 mSDsluCounter, 12828 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 14851 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:43:30,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 14851 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 00:43:30,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13003 states. [2022-07-23 00:43:31,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13003 to 12938. [2022-07-23 00:43:31,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12938 states, 9502 states have (on average 1.2941486002946747) internal successors, (12297), 9694 states have internal predecessors, (12297), 2444 states have call successors, (2444), 933 states have call predecessors, (2444), 991 states have return successors, (2545), 2403 states have call predecessors, (2545), 2442 states have call successors, (2545) [2022-07-23 00:43:31,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12938 states to 12938 states and 17286 transitions. [2022-07-23 00:43:31,485 INFO L78 Accepts]: Start accepts. Automaton has 12938 states and 17286 transitions. Word has length 272 [2022-07-23 00:43:31,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:43:31,485 INFO L495 AbstractCegarLoop]: Abstraction has 12938 states and 17286 transitions. [2022-07-23 00:43:31,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 7 states have internal predecessors, (138), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 00:43:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12938 states and 17286 transitions. [2022-07-23 00:43:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-23 00:43:31,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:43:31,502 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:43:31,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:43:31,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-23 00:43:31,716 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:43:31,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:43:31,716 INFO L85 PathProgramCache]: Analyzing trace with hash 971422875, now seen corresponding path program 1 times [2022-07-23 00:43:31,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:43:31,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698498578] [2022-07-23 00:43:31,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:31,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:43:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:43:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 00:43:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 00:43:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 00:43:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 00:43:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:43:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 00:43:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 00:43:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 00:43:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:43:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:43:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:43:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:43:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:43:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 00:43:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:43:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:43:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:43:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 00:43:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 00:43:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 00:43:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 00:43:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 00:43:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-23 00:43:32,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:43:32,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698498578] [2022-07-23 00:43:32,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698498578] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:43:32,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519627530] [2022-07-23 00:43:32,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:32,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:43:32,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:43:32,369 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) [2022-07-23 00:43:32,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 00:43:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:34,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 4026 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-23 00:43:34,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:43:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-23 00:43:34,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:43:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-23 00:43:34,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519627530] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:43:34,736 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:43:34,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-07-23 00:43:34,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560450005] [2022-07-23 00:43:34,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:43:34,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-23 00:43:34,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:43:34,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-23 00:43:34,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-07-23 00:43:34,739 INFO L87 Difference]: Start difference. First operand 12938 states and 17286 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) [2022-07-23 00:43:40,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:43:42,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:43:51,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:43:51,940 INFO L93 Difference]: Finished difference Result 27818 states and 37625 transitions. [2022-07-23 00:43:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:43:51,941 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 [2022-07-23 00:43:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:43:51,993 INFO L225 Difference]: With dead ends: 27818 [2022-07-23 00:43:51,994 INFO L226 Difference]: Without dead ends: 14714 [2022-07-23 00:43:52,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2022-07-23 00:43:52,031 INFO L413 NwaCegarLoop]: 1636 mSDtfsCounter, 621 mSDsluCounter, 12576 mSDsCounter, 0 mSdLazyCounter, 8243 mSolverCounterSat, 417 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 14212 SdHoareTripleChecker+Invalid, 8661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 8243 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:43:52,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 14212 Invalid, 8661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 8243 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2022-07-23 00:43:52,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14714 states. [2022-07-23 00:43:52,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14714 to 12925. [2022-07-23 00:43:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12925 states, 9502 states have (on average 1.2927804672700485) internal successors, (12284), 9681 states have internal predecessors, (12284), 2444 states have call successors, (2444), 933 states have call predecessors, (2444), 978 states have return successors, (2532), 2403 states have call predecessors, (2532), 2442 states have call successors, (2532) [2022-07-23 00:43:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12925 states to 12925 states and 17260 transitions. [2022-07-23 00:43:52,655 INFO L78 Accepts]: Start accepts. Automaton has 12925 states and 17260 transitions. Word has length 272 [2022-07-23 00:43:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:43:52,656 INFO L495 AbstractCegarLoop]: Abstraction has 12925 states and 17260 transitions. [2022-07-23 00:43:52,656 INFO L496 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) [2022-07-23 00:43:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 12925 states and 17260 transitions. [2022-07-23 00:43:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-23 00:43:52,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:43:52,675 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:43:52,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:43:52,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:43:52,888 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:43:52,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:43:52,888 INFO L85 PathProgramCache]: Analyzing trace with hash -705914507, now seen corresponding path program 2 times [2022-07-23 00:43:52,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:43:52,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117400681] [2022-07-23 00:43:52,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:43:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:43:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:43:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 00:43:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 00:43:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 00:43:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 00:43:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:43:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 00:43:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 00:43:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 00:43:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:43:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:43:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 00:43:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:43:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:43:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:43:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:43:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 00:43:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:43:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 00:43:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 00:43:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 00:43:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 00:43:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 00:43:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:43:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:43:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:43:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-23 00:43:53,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:43:53,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117400681] [2022-07-23 00:43:53,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117400681] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:43:53,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292917226] [2022-07-23 00:43:53,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:43:53,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:43:53,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:43:53,397 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) [2022-07-23 00:43:53,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 00:43:57,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 00:43:57,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:43:57,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 00:43:57,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:43:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-23 00:43:57,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:43:58,170 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-23 00:43:58,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292917226] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:43:58,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:43:58,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-07-23 00:43:58,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605475818] [2022-07-23 00:43:58,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:43:58,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 00:43:58,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:43:58,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 00:43:58,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-07-23 00:43:58,174 INFO L87 Difference]: Start difference. First operand 12925 states and 17260 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) [2022-07-23 00:44:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:44:08,246 INFO L93 Difference]: Finished difference Result 27781 states and 37527 transitions. [2022-07-23 00:44:08,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 00:44:08,248 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 [2022-07-23 00:44:08,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:44:08,301 INFO L225 Difference]: With dead ends: 27781 [2022-07-23 00:44:08,302 INFO L226 Difference]: Without dead ends: 14755 [2022-07-23 00:44:08,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2022-07-23 00:44:08,338 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 1135 mSDsluCounter, 10589 mSDsCounter, 0 mSdLazyCounter, 6697 mSolverCounterSat, 807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 12222 SdHoareTripleChecker+Invalid, 7504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 6697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:44:08,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 12222 Invalid, 7504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [807 Valid, 6697 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-23 00:44:08,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14755 states. [2022-07-23 00:44:08,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14755 to 12966. [2022-07-23 00:44:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12966 states, 9539 states have (on average 1.2920641576685188) internal successors, (12325), 9718 states have internal predecessors, (12325), 2444 states have call successors, (2444), 937 states have call predecessors, (2444), 982 states have return successors, (2532), 2403 states have call predecessors, (2532), 2442 states have call successors, (2532) [2022-07-23 00:44:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12966 states to 12966 states and 17301 transitions. [2022-07-23 00:44:08,890 INFO L78 Accepts]: Start accepts. Automaton has 12966 states and 17301 transitions. Word has length 273 [2022-07-23 00:44:08,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:44:08,891 INFO L495 AbstractCegarLoop]: Abstraction has 12966 states and 17301 transitions. [2022-07-23 00:44:08,891 INFO L496 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) [2022-07-23 00:44:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 12966 states and 17301 transitions. [2022-07-23 00:44:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-23 00:44:08,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:44:08,909 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:44:08,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 00:44:09,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:44:09,124 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:44:09,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:44:09,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1163765797, now seen corresponding path program 3 times [2022-07-23 00:44:09,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:44:09,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004835580] [2022-07-23 00:44:09,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:44:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:44:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 00:44:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-23 00:44:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-23 00:44:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 00:44:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:44:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 00:44:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:44:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:44:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:44:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 00:44:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:44:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 00:44:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:44:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 00:44:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:44:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:44:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:44:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:44:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:44:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:44:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:44:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:44:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 00:44:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 00:44:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:44:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 00:44:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:44:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 00:44:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:09,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 00:44:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:44:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:44:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-23 00:44:10,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:44:10,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004835580] [2022-07-23 00:44:10,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004835580] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:44:10,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868461032] [2022-07-23 00:44:10,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-23 00:44:10,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:44:10,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:44:10,010 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:44:10,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 00:44:39,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-07-23 00:44:39,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:44:39,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 00:44:39,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:44:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-23 00:44:39,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:44:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-23 00:44:40,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868461032] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:44:40,247 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:44:40,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 24 [2022-07-23 00:44:40,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479096312] [2022-07-23 00:44:40,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:44:40,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-23 00:44:40,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:44:40,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-23 00:44:40,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2022-07-23 00:44:40,250 INFO L87 Difference]: Start difference. First operand 12966 states and 17301 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) [2022-07-23 00:44:45,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:44:52,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:44:56,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:44:56,970 INFO L93 Difference]: Finished difference Result 27847 states and 37589 transitions. [2022-07-23 00:44:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:44:56,971 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 [2022-07-23 00:44:56,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:44:57,017 INFO L225 Difference]: With dead ends: 27847 [2022-07-23 00:44:57,018 INFO L226 Difference]: Without dead ends: 14772 [2022-07-23 00:44:57,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 608 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2022-07-23 00:44:57,050 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 1833 mSDsluCounter, 14668 mSDsCounter, 0 mSdLazyCounter, 9102 mSolverCounterSat, 1440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 16301 SdHoareTripleChecker+Invalid, 10542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1440 IncrementalHoareTripleChecker+Valid, 9102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:44:57,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 16301 Invalid, 10542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1440 Valid, 9102 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2022-07-23 00:44:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14772 states. [2022-07-23 00:44:57,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14772 to 12983. [2022-07-23 00:44:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12983 states, 9556 states have (on average 1.291544579321892) internal successors, (12342), 9735 states have internal predecessors, (12342), 2444 states have call successors, (2444), 937 states have call predecessors, (2444), 982 states have return successors, (2532), 2403 states have call predecessors, (2532), 2442 states have call successors, (2532) [2022-07-23 00:44:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12983 states to 12983 states and 17318 transitions. [2022-07-23 00:44:57,568 INFO L78 Accepts]: Start accepts. Automaton has 12983 states and 17318 transitions. Word has length 274 [2022-07-23 00:44:57,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:44:57,569 INFO L495 AbstractCegarLoop]: Abstraction has 12983 states and 17318 transitions. [2022-07-23 00:44:57,569 INFO L496 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) [2022-07-23 00:44:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 12983 states and 17318 transitions. [2022-07-23 00:44:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-23 00:44:57,581 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:44:57,582 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:44:57,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 00:44:57,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-23 00:44:57,791 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:44:57,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:44:57,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1822713397, now seen corresponding path program 4 times [2022-07-23 00:44:57,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:44:57,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656662984] [2022-07-23 00:44:57,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:44:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:44:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 00:44:59,609 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 00:45:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 00:45:01,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 00:45:01,493 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 00:45:01,494 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 00:45:01,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 00:45:01,498 INFO L356 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:45:01,503 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 00:45:01,557 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-23 00:45:01,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 12:45:01 BoogieIcfgContainer [2022-07-23 00:45:01,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 00:45:01,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 00:45:01,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 00:45:01,736 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 00:45:01,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:42:04" (3/4) ... [2022-07-23 00:45:01,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 00:45:01,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 00:45:01,740 INFO L158 Benchmark]: Toolchain (without parser) took 187960.91ms. Allocated memory was 115.3MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 84.1MB in the beginning and 721.0MB in the end (delta: -636.8MB). Peak memory consumption was 405.4MB. Max. memory is 16.1GB. [2022-07-23 00:45:01,740 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:45:01,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4425.49ms. Allocated memory was 115.3MB in the beginning and 276.8MB in the end (delta: 161.5MB). Free memory was 84.1MB in the beginning and 129.9MB in the end (delta: -45.7MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2022-07-23 00:45:01,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 210.69ms. Allocated memory is still 276.8MB. Free memory was 129.9MB in the beginning and 102.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-23 00:45:01,741 INFO L158 Benchmark]: Boogie Preprocessor took 210.86ms. Allocated memory is still 276.8MB. Free memory was 102.6MB in the beginning and 169.4MB in the end (delta: -66.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-07-23 00:45:01,741 INFO L158 Benchmark]: RCFGBuilder took 5745.09ms. Allocated memory was 276.8MB in the beginning and 618.7MB in the end (delta: 341.8MB). Free memory was 169.4MB in the beginning and 472.0MB in the end (delta: -302.6MB). Peak memory consumption was 307.5MB. Max. memory is 16.1GB. [2022-07-23 00:45:01,742 INFO L158 Benchmark]: TraceAbstraction took 177358.45ms. Allocated memory was 618.7MB in the beginning and 1.2GB in the end (delta: 539.0MB). Free memory was 472.0MB in the beginning and 722.0MB in the end (delta: -250.0MB). Peak memory consumption was 769.2MB. Max. memory is 16.1GB. [2022-07-23 00:45:01,742 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 1.2GB. Free memory was 722.0MB in the beginning and 721.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 00:45:01,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4425.49ms. Allocated memory was 115.3MB in the beginning and 276.8MB in the end (delta: 161.5MB). Free memory was 84.1MB in the beginning and 129.9MB in the end (delta: -45.7MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 210.69ms. Allocated memory is still 276.8MB. Free memory was 129.9MB in the beginning and 102.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.86ms. Allocated memory is still 276.8MB. Free memory was 102.6MB in the beginning and 169.4MB in the end (delta: -66.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5745.09ms. Allocated memory was 276.8MB in the beginning and 618.7MB in the end (delta: 341.8MB). Free memory was 169.4MB in the beginning and 472.0MB in the end (delta: -302.6MB). Peak memory consumption was 307.5MB. Max. memory is 16.1GB. * TraceAbstraction took 177358.45ms. Allocated memory was 618.7MB in the beginning and 1.2GB in the end (delta: 539.0MB). Free memory was 472.0MB in the beginning and 722.0MB in the end (delta: -250.0MB). Peak memory consumption was 769.2MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 1.2GB. Free memory was 722.0MB in the beginning and 721.0MB in the end (delta: 1.0MB). 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. 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={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10151] int tmp ; [L10152] int tmp___0 ; [L10154] FCALL ldv_initialize() [L10155] ldv_state_variable_4 = 0 [L10156] ldv_state_variable_1 = 1 [L10157] ref_cnt = 0 [L10158] ldv_state_variable_0 = 1 [L10159] ldv_state_variable_3 = 0 [L10160] ldv_state_variable_2 = 0 [L10161] ldv_state_variable_5 = 0 VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10186] COND TRUE ldv_state_variable_0 == 1 [L10187] CALL, EXPR netback_init() [L10090] int rc ; [L10091] long tmp ; [L10092] bool tmp___0 ; [L10094] rc = 0 VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10095] COND FALSE !((unsigned int )xen_domain_type == 0U) [L10099] CALL, EXPR cpumask_weight(cpu_online_mask) [L6561] int tmp ; [L6563] CALL, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6551] int tmp___0 ; [L6553] CALL, EXPR __bitmap_weight(src, nbits) [L13332] return __VERIFIER_nondet_int(); [L6553] RET, EXPR __bitmap_weight(src, nbits) [L6553] tmp___0 = __bitmap_weight(src, nbits) [L6554] return (tmp___0); VAL [\old(nbits)=17, \result=245, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, 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=17, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={36893488147419103255:36893488147419103260}, src={36893488147419103255:36893488147419103260}, tmp___0=245, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6563] RET, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6563] tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6564] return ((unsigned int )tmp); VAL [\result=245, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={36893488147419103255:36893488147419103260}, srcp={36893488147419103255:36893488147419103260}, tmp=245, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10099] RET, EXPR cpumask_weight(cpu_online_mask) [L10099] xenvif_max_queues = cpumask_weight(cpu_online_mask) [L10100] COND FALSE !(fatal_skb_slots <= 17U) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] CALL, EXPR xenvif_xenbus_init() [L11590] int tmp ; [L11592] CALL, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L13376] return __VERIFIER_nondet_int(); [L11592] RET, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11592] tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11593] return (tmp); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={255:-254}, arg0={69:0}, arg1={0:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND TRUE tmp___0 != 0 [L6700] return ((void *)0); VAL [\old(size)=300, \result={0:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={255:-254}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct dentry))={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, debugfs_create_dir("xen-netback", (struct dentry *)0)={0:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0) [L10112] CALL, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10253] RET, EXPR ldv_is_err_or_null(ptr) [L10253] tmp = ldv_is_err_or_null(ptr) [L10254] return (tmp); VAL [\result=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, IS_ERR_OR_NULL((void const *)xen_netback_dbg_root)=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, PTR_ERR((void const *)xen_netback_dbg_root)=2012, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10187] RET, EXPR netback_init() [L10187] ldv_retval_1 = netback_init() [L10188] COND TRUE ldv_retval_1 == 0 [L10189] ldv_state_variable_0 = 3 [L10190] ldv_state_variable_5 = 1 [L10191] CALL ldv_file_operations_5() [L11615] void *tmp ; [L11616] void *tmp___0 ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1000, \result={-18446744073709551617:0}, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=504, \result={18446744073709551618:0}, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={18446744073709551618:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10191] RET ldv_file_operations_5() [L10192] ldv_state_variable_3 = 1 [L10193] CALL ldv_initialize_ethtool_ops_3() [L12896] void *tmp ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654847:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654847:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=3008, \result={-55340232221128654847:0}, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654847:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-55340232221128654847:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10193] RET ldv_initialize_ethtool_ops_3() [L10194] ldv_state_variable_4 = 1 [L10195] CALL ldv_initialize_xenbus_driver_4() [L11606] void *tmp ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1664, \result={-55340232221128654849:0}, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10166] COND TRUE ldv_state_variable_4 != 0 [L10167] CALL ldv_main_exported_4() [L11627] struct xenbus_device_id *ldvarg2 ; [L11628] void *tmp ; [L11629] enum xenbus_state ldvarg0 ; [L11630] struct kobj_uevent_env *ldvarg1 ; [L11631] void *tmp___0 ; [L11632] int tmp___1 ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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={36893488147419103236:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=32, \result={36893488147419103233:0}, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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={36893488147419103236:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=2336, \result={18446744073709551617:0}, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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={36893488147419103236:0}, ldvarg1={18446744073709551617:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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)={36893488147419103236:0}, n=4, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103236:0}, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, tmp={36893488147419103236:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={36893488147419103236:0}, 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={36893488147419103236:0}, ldvarg1={18446744073709551617:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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={36893488147419103236:0}, ldvarg1={18446744073709551617:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, tmp___1=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11642] COND TRUE ldv_state_variable_4 == 1 [L11643] CALL netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2) [L10632] char const *message ; [L10633] struct xenbus_transaction xbt ; [L10634] int err ; [L10635] int sg ; [L10636] char const *script ; [L10637] struct backend_info *be ; [L10638] void *tmp ; [L10639] struct xenbus_transaction __constr_expr_0 ; [L10640] struct _ddebug descriptor ; [L10641] long tmp___0 ; [L10642] struct xenbus_transaction __constr_expr_1 ; [L10643] struct _ddebug descriptor___0 ; [L10644] long tmp___1 ; [L10645] struct xenbus_transaction __constr_expr_2 ; [L10646] void *tmp___2 ; [L10647] long tmp___3 ; [L10648] bool tmp___4 ; [L10649] struct _ddebug descriptor___1 ; [L10650] long tmp___5 ; VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND FALSE !(tmp___0 != 0) [L6702] tmp = malloc(size) [L6703] p = tmp VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11777] bool tmp ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6706] return (p); VAL [\old(size)=72, \result={-18446744073709549604:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=36893488147419103253, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709549604:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=36893488147419103253, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=21, \old(size)=72, \result={-18446744073709549604:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=21, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={-18446744073709549604:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, kzalloc(72UL, 208U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, data={-18446744073709549604:0}, dev={-55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10323] dev->driver_data = data VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, data={-18446744073709549604:0}, data={-18446744073709549604:0}, dev={-55340232221128654849:60}, dev={-55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10661] sg = 1 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10663] CALL, EXPR xenbus_transaction_start(& xbt) [L13713] return __VERIFIER_nondet_int(); [L10663] RET, EXPR xenbus_transaction_start(& xbt) [L10663] err = xenbus_transaction_start(& xbt) [L10664] COND TRUE err != 0 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10779] descriptor___1.modname = "xen_netback" [L10780] descriptor___1.function = "netback_probe" [L10781] descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c" [L10782] descriptor___1.format = "failed\n" [L10783] descriptor___1.lineno = 380U [L10784] descriptor___1.flags = 0U [L10785] EXPR descriptor___1.flags VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, exp=0, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND FALSE !(tmp___5 != 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, tmp___5=0, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10790] CALL netback_remove(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10607] struct backend_info *be ; [L10608] void *tmp ; [L10609] struct xenbus_transaction __constr_expr_0 ; VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] CALL, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10317] EXPR dev->driver_data [L10317] return ((void *)dev->driver_data); [L10611] RET, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, dev_get_drvdata((struct device const *)(& dev->dev))={-18446744073709549604:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] tmp = dev_get_drvdata((struct device const *)(& dev->dev)) [L10612] be = (struct backend_info *)tmp VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10613] CALL set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] EXPR be->state VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(state)=6, __this_module={255:-254}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, be->state=4294967302, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, state=6, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] COND FALSE !((unsigned int )be->state != (unsigned int )state) [L10613] RET set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] CALL unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] EXPR (unsigned char *)be + 56UL VAL [(unsigned char *)be + 56UL=768, \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={255:-254}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] COND FALSE !((unsigned int )*((unsigned char *)be + 56UL) != 0U) [L11233] be->have_hotplug_status_watch = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] RET unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] COND TRUE (unsigned long )be->vif != (unsigned long )((struct xenvif *)0) [L10616] CALL kobject_uevent(& dev->dev.kobj, 5) VAL [\old(arg1)=5, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, arg0={-55340232221128654849:76}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13496] return __VERIFIER_nondet_int(); [L10616] RET kobject_uevent(& dev->dev.kobj, 5) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=246, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] CALL xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] EXPR vif->credit_watch.node VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->credit_watch.node={247:18446744073709551369}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] COND FALSE !((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) [L10617] RET xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10618] __constr_expr_0.id = 0U [L10619] EXPR dev->nodename [L10619] CALL xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L13694] return __VERIFIER_nondet_int(); [L10619] RET xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L10620] EXPR be->vif [L10620] CALL xenvif_free(be->vif) [L12828] struct xenvif_queue *queue ; [L12829] unsigned int num_queues ; [L12830] unsigned int queue_index ; [L12832] queue = (struct xenvif_queue *)0 [L12833] EXPR vif->num_queues [L12833] num_queues = vif->num_queues [L12834] EXPR vif->dev [L12834] CALL ldv_unregister_netdev_22(vif->dev) [L13184] FCALL unregister_netdev(dev) [L13185] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={36893488147419103257:36893488147419103274}, dev={36893488147419103257:36893488147419103274}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12834] RET ldv_unregister_netdev_22(vif->dev) [L12835] queue_index = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, 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={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12842] COND FALSE !(queue_index < num_queues) [L12846] EXPR vif->queues VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, 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={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103271:36893488147419103259}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12846] FCALL vfree((void const *)vif->queues) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, 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={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103271:36893488147419103259}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12847] vif->queues = (struct xenvif_queue *)0 [L12848] vif->num_queues = 0U [L12849] EXPR vif->dev [L12849] CALL ldv_free_netdev_23(vif->dev) [L13192] FCALL free_netdev(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={36893488147419103257:36893488147419103274}, dev={36893488147419103257:36893488147419103274}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13193] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={36893488147419103257:36893488147419103274}, dev={36893488147419103257:36893488147419103274}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12849] RET ldv_free_netdev_23(vif->dev) [L12850] CALL ldv_module_put_24(& __this_module) [L13200] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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={255:-254}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13279] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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={255:-254}, module={255:-254}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13280] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_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={255:-254}, module={255:-254}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13281] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13209] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1328 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 177.1s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.2s, AutomataDifference: 119.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 24562 SdHoareTripleChecker+Valid, 111.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23331 mSDsluCounter, 128737 SdHoareTripleChecker+Invalid, 102.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105100 mSDsCounter, 11203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54536 IncrementalHoareTripleChecker+Invalid, 65746 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11203 mSolverCounterUnsat, 23637 mSDtfsCounter, 54536 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3132 GetRequests, 2878 SyntacticMatches, 9 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12983occurred in iteration=13, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 14797 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 38.9s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 4414 NumberOfCodeBlocks, 4414 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4937 ConstructedInterpolants, 0 QuantifiedInterpolants, 8387 SizeOfPredicates, 19 NumberOfNonLiveVariables, 20038 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 4878/4911 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 [2022-07-23 00:45:01,979 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 [2022-07-23 00:45:01,994 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 0.2.2-?-791161d [2022-07-23 00:45:03,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:45:03,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:45:03,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:45:03,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:45:03,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:45:03,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:45:03,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:45:03,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:45:03,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:45:03,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:45:03,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:45:03,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:45:03,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:45:03,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:45:03,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:45:03,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:45:03,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:45:03,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:45:03,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:45:03,776 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:45:03,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:45:03,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:45:03,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:45:03,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:45:03,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:45:03,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:45:03,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:45:03,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:45:03,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:45:03,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:45:03,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:45:03,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:45:03,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:45:03,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:45:03,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:45:03,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:45:03,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:45:03,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:45:03,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:45:03,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:45:03,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:45:03,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 00:45:03,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:45:03,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:45:03,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:45:03,808 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:45:03,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:45:03,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:45:03,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:45:03,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:45:03,810 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:45:03,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:45:03,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:45:03,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:45:03,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:45:03,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:45:03,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 00:45:03,811 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 00:45:03,811 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 00:45:03,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:45:03,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:45:03,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:45:03,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:45:03,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:45:03,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:45:03,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:45:03,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:45:03,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:45:03,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:45:03,813 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 00:45:03,813 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 00:45:03,813 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:45:03,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:45:03,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:45:03,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 00:45:03,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-07-23 00:45:04,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:45:04,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:45:04,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:45:04,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:45:04,107 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:45:04,108 INFO L432 ainManager$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 [2022-07-23 00:45:04,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c043f766f/e9538c97193945ce9bcbe78005b9ad35/FLAGe6b9fa282 [2022-07-23 00:45:04,851 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:45:04,852 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 [2022-07-23 00:45:04,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c043f766f/e9538c97193945ce9bcbe78005b9ad35/FLAGe6b9fa282 [2022-07-23 00:45:05,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c043f766f/e9538c97193945ce9bcbe78005b9ad35 [2022-07-23 00:45:05,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:45:05,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:45:05,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:45:05,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:45:05,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:45:05,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:45:05" (1/1) ... [2022-07-23 00:45:05,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2efa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:05, skipping insertion in model container [2022-07-23 00:45:05,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:45:05" (1/1) ... [2022-07-23 00:45:05,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:45:05,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:45:08,581 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] [2022-07-23 00:45:08,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:45:08,733 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 00:45:08,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:45:09,199 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] [2022-07-23 00:45:09,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:45:09,242 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:45:09,829 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] [2022-07-23 00:45:09,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:45:09,957 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:45:09,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09 WrapperNode [2022-07-23 00:45:09,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:45:09,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:45:09,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:45:09,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:45:09,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,216 INFO L137 Inliner]: procedures = 440, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4357 [2022-07-23 00:45:10,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:45:10,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:45:10,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:45:10,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:45:10,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:45:10,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:45:10,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:45:10,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:45:10,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:45:09" (1/1) ... [2022-07-23 00:45:10,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:45:10,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:45:10,417 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) [2022-07-23 00:45:10,432 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 [2022-07-23 00:45:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-23 00:45:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-23 00:45:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-23 00:45:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-07-23 00:45:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-07-23 00:45:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-23 00:45:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-23 00:45:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:45:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:45:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-07-23 00:45:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-07-23 00:45:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 00:45:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 00:45:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-07-23 00:45:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-07-23 00:45:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:45:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:45:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-07-23 00:45:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-07-23 00:45:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-07-23 00:45:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-07-23 00:45:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 00:45:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 00:45:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-07-23 00:45:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-07-23 00:45:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:45:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:45:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-07-23 00:45:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-07-23 00:45:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 00:45:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 00:45:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 00:45:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 00:45:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:45:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:45:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-07-23 00:45:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-07-23 00:45:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:45:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:45:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-07-23 00:45:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-07-23 00:45:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:45:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 00:45:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 00:45:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 00:45:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-23 00:45:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-23 00:45:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:45:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:45:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 00:45:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 00:45:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-23 00:45:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-23 00:45:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 00:45:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 00:45:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 00:45:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 00:45:10,463 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-07-23 00:45:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-07-23 00:45:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:45:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:45:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-07-23 00:45:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-07-23 00:45:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-23 00:45:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-23 00:45:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-07-23 00:45:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-07-23 00:45:10,464 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-07-23 00:45:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-07-23 00:45:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 00:45:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 00:45:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:45:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:45:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-07-23 00:45:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-07-23 00:45:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:45:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-07-23 00:45:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-07-23 00:45:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:45:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:45:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 00:45:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-07-23 00:45:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-07-23 00:45:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 00:45:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-23 00:45:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-23 00:45:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-23 00:45:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-23 00:45:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 00:45:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-07-23 00:45:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-07-23 00:45:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 00:45:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 00:45:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 00:45:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 00:45:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 00:45:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:45:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:45:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:45:10,470 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:45:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 00:45:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 00:45:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 00:45:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:45:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 00:45:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:45:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-07-23 00:45:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-07-23 00:45:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:45:10,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:45:10,472 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-23 00:45:10,473 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-23 00:45:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-07-23 00:45:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-07-23 00:45:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 00:45:10,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 00:45:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-23 00:45:10,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-23 00:45:10,476 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-07-23 00:45:10,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-07-23 00:45:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-23 00:45:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-23 00:45:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-23 00:45:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-23 00:45:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 00:45:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 00:45:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-07-23 00:45:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-07-23 00:45:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-23 00:45:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-23 00:45:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:45:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:45:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:45:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:45:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:45:10,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:45:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-23 00:45:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-23 00:45:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 00:45:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 00:45:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-07-23 00:45:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-07-23 00:45:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-07-23 00:45:10,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-07-23 00:45:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 00:45:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 00:45:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:45:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 00:45:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 00:45:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-07-23 00:45:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-07-23 00:45:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:45:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-07-23 00:45:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-07-23 00:45:10,484 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-23 00:45:10,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-07-23 00:45:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-23 00:45:10,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:45:10,485 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:45:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:45:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:45:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:45:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 00:45:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 00:45:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-23 00:45:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-23 00:45:10,486 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 00:45:10,486 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 00:45:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-07-23 00:45:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-07-23 00:45:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 00:45:10,487 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 00:45:10,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:45:10,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:45:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 00:45:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 00:45:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 00:45:10,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 00:45:10,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:45:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:45:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-23 00:45:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-23 00:45:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-07-23 00:45:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-07-23 00:45:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:45:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:45:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 00:45:10,490 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 00:45:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 00:45:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 00:45:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 00:45:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 00:45:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 00:45:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 00:45:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 00:45:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 00:45:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-07-23 00:45:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-07-23 00:45:11,090 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:45:11,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:45:11,991 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;