./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 eb692b52 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-?-eb692b5 [2022-07-20 00:27:42,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:27:42,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:27:42,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:27:42,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:27:42,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:27:42,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:27:42,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:27:42,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:27:42,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:27:42,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:27:42,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:27:42,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:27:42,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:27:42,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:27:42,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:27:42,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:27:42,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:27:42,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:27:42,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:27:42,422 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:27:42,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:27:42,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:27:42,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:27:42,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:27:42,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:27:42,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:27:42,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:27:42,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:27:42,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:27:42,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:27:42,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:27:42,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:27:42,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:27:42,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:27:42,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:27:42,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:27:42,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:27:42,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:27:42,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:27:42,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:27:42,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:27:42,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:27:42,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:27:42,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:27:42,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:27:42,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:27:42,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:27:42,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:27:42,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:27:42,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:27:42,481 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:27:42,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:27:42,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:27:42,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:27:42,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:27:42,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:27:42,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:27:42,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:27:42,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:27:42,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:27:42,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:27:42,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:27:42,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:27:42,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:27:42,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:27:42,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:27:42,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:27:42,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:27:42,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:27:42,486 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:27:42,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:27:42,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:27:42,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-07-20 00:27:42,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:27:42,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:27:42,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:27:42,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:27:42,780 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:27:42,781 INFO L432 ainManager$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 [2022-07-20 00:27:42,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d8c07fd/f68bf859c08142ab915e20b26b1740a5/FLAG6a6dd1c08 [2022-07-20 00:27:43,655 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:27:43,656 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 [2022-07-20 00:27:43,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d8c07fd/f68bf859c08142ab915e20b26b1740a5/FLAG6a6dd1c08 [2022-07-20 00:27:43,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15d8c07fd/f68bf859c08142ab915e20b26b1740a5 [2022-07-20 00:27:43,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:27:43,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:27:43,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:27:43,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:27:43,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:27:43,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:27:43" (1/1) ... [2022-07-20 00:27:43,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759f9f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:43, skipping insertion in model container [2022-07-20 00:27:43,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:27:43" (1/1) ... [2022-07-20 00:27:43,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:27:44,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:27:47,524 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] [2022-07-20 00:27:47,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:27:47,659 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:27:48,300 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] [2022-07-20 00:27:48,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:27:48,480 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:27:48,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48 WrapperNode [2022-07-20 00:27:48,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:27:48,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:27:48,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:27:48,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:27:48,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,753 INFO L137 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4483 [2022-07-20 00:27:48,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:27:48,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:27:48,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:27:48,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:27:48,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:27:48,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:27:48,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:27:48,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:27:48,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (1/1) ... [2022-07-20 00:27:48,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:27:48,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:27:48,985 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) [2022-07-20 00:27:49,005 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 [2022-07-20 00:27:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 00:27:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-20 00:27:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-20 00:27:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-07-20 00:27:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-07-20 00:27:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 00:27:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 00:27:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:27:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:27:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-07-20 00:27:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-07-20 00:27:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-20 00:27:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-20 00:27:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-07-20 00:27:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-07-20 00:27:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:27:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:27:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-07-20 00:27:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-07-20 00:27:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-07-20 00:27:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-07-20 00:27:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 00:27:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 00:27:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-07-20 00:27:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-07-20 00:27:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:27:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:27:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-07-20 00:27:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-07-20 00:27:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-20 00:27:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-20 00:27:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 00:27:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 00:27:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:27:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:27:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-07-20 00:27:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-07-20 00:27:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:27:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:27:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-07-20 00:27:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-07-20 00:27:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:27:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 00:27:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 00:27:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:27:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:27:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 00:27:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 00:27:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:27:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-20 00:27:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-20 00:27:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:27:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:27:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:27:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:27:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:27:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-07-20 00:27:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-07-20 00:27:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:27:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:27:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:27:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-07-20 00:27:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-07-20 00:27:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 00:27:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 00:27:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-07-20 00:27:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-07-20 00:27:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-07-20 00:27:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-07-20 00:27:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 00:27:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 00:27:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:27:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:27:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-07-20 00:27:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-07-20 00:27:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:27:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-07-20 00:27:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-07-20 00:27:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:27:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:27:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-07-20 00:27:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-07-20 00:27:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-20 00:27:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-20 00:27:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-20 00:27:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-20 00:27:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-07-20 00:27:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-07-20 00:27:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:27:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:27:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 00:27:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 00:27:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:27:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:27:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:27:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:27:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:27:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:27:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-07-20 00:27:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-07-20 00:27:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:27:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:27:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-20 00:27:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-20 00:27:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-07-20 00:27:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-07-20 00:27:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 00:27:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 00:27:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-20 00:27:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-20 00:27:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-07-20 00:27:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-07-20 00:27:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-20 00:27:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-20 00:27:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-20 00:27:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-20 00:27:49,042 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 00:27:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 00:27:49,043 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-07-20 00:27:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-07-20 00:27:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-20 00:27:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-20 00:27:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:27:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:27:49,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:27:49,047 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:27:49,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:27:49,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:27:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-20 00:27:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-20 00:27:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:27:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:27:49,053 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-07-20 00:27:49,053 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-07-20 00:27:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-07-20 00:27:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-07-20 00:27:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 00:27:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 00:27:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:27:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 00:27:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 00:27:49,054 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-07-20 00:27:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-07-20 00:27:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:27:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-07-20 00:27:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-07-20 00:27:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-20 00:27:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-20 00:27:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-07-20 00:27:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-07-20 00:27:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-20 00:27:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-20 00:27:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:27:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:27:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:27:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:27:49,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:27:49,056 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 00:27:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 00:27:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-20 00:27:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-20 00:27:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 00:27:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 00:27:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-07-20 00:27:49,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-07-20 00:27:49,057 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 00:27:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 00:27:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:27:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:27:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:27:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:27:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:27:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-20 00:27:49,058 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-20 00:27:49,058 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-07-20 00:27:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-07-20 00:27:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:27:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:27:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:27:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:27:49,059 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 00:27:49,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 00:27:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 00:27:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 00:27:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 00:27:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 00:27:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 00:27:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 00:27:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:27:49,060 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-07-20 00:27:49,060 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-07-20 00:27:49,757 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:27:49,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:27:49,926 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:27:55,910 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:27:55,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:27:55,924 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 00:27:55,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:27:55 BoogieIcfgContainer [2022-07-20 00:27:55,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:27:55,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:27:55,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:27:55,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:27:55,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:27:43" (1/3) ... [2022-07-20 00:27:55,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69788a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:27:55, skipping insertion in model container [2022-07-20 00:27:55,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:27:48" (2/3) ... [2022-07-20 00:27:55,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69788a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:27:55, skipping insertion in model container [2022-07-20 00:27:55,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:27:55" (3/3) ... [2022-07-20 00:27:55,936 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 [2022-07-20 00:27:55,948 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:27:55,948 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:27:56,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:27:56,018 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@78424bcc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@354dd6fc [2022-07-20 00:27:56,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:27:56,027 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) [2022-07-20 00:27:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-20 00:27:56,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:27:56,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:27:56,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:27:56,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:27:56,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2068181314, now seen corresponding path program 1 times [2022-07-20 00:27:56,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:27:56,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703500727] [2022-07-20 00:27:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:27:56,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:27:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:27:56,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:27:56,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703500727] [2022-07-20 00:27:56,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703500727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:27:56,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:27:56,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 00:27:56,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537912279] [2022-07-20 00:27:56,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:27:56,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:27:56,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:27:56,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:27:56,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:27:56,755 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) [2022-07-20 00:27:56,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:27:57,003 INFO L93 Difference]: Finished difference Result 3965 states and 5590 transitions. [2022-07-20 00:27:57,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:27:57,006 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 [2022-07-20 00:27:57,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:27:57,062 INFO L225 Difference]: With dead ends: 3965 [2022-07-20 00:27:57,062 INFO L226 Difference]: Without dead ends: 2593 [2022-07-20 00:27:57,083 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 [2022-07-20 00:27:57,086 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 [2022-07-20 00:27:57,091 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] [2022-07-20 00:27:57,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2022-07-20 00:27:57,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2590. [2022-07-20 00:27:57,290 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) [2022-07-20 00:27:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 3516 transitions. [2022-07-20 00:27:57,318 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 3516 transitions. Word has length 19 [2022-07-20 00:27:57,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:27:57,318 INFO L495 AbstractCegarLoop]: Abstraction has 2590 states and 3516 transitions. [2022-07-20 00:27:57,320 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) [2022-07-20 00:27:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3516 transitions. [2022-07-20 00:27:57,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-20 00:27:57,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:27:57,337 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] [2022-07-20 00:27:57,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:27:57,338 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:27:57,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:27:57,339 INFO L85 PathProgramCache]: Analyzing trace with hash -870677935, now seen corresponding path program 1 times [2022-07-20 00:27:57,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:27:57,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234751190] [2022-07-20 00:27:57,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:27:57,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:27:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:27:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:27:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:27:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 00:27:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:27:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:27:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 00:27:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:27:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 00:27:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 00:27:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:27:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 00:27:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-20 00:27:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-20 00:27:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:27:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:27:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-20 00:27:57,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:27:57,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234751190] [2022-07-20 00:27:57,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234751190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:27:57,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:27:57,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:27:57,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485926470] [2022-07-20 00:27:57,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:27:57,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:27:57,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:27:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:27:57,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:27:57,819 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) [2022-07-20 00:28:03,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:28:03,275 INFO L93 Difference]: Finished difference Result 6749 states and 9252 transitions. [2022-07-20 00:28:03,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:28:03,276 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 [2022-07-20 00:28:03,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:28:03,306 INFO L225 Difference]: With dead ends: 6749 [2022-07-20 00:28:03,306 INFO L226 Difference]: Without dead ends: 4162 [2022-07-20 00:28:03,320 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 [2022-07-20 00:28:03,321 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 3280 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 1964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 3410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1964 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:28:03,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 3734 Invalid, 3410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1964 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-20 00:28:03,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4162 states. [2022-07-20 00:28:03,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4162 to 3640. [2022-07-20 00:28:03,483 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) [2022-07-20 00:28:03,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 3640 states and 4925 transitions. [2022-07-20 00:28:03,507 INFO L78 Accepts]: Start accepts. Automaton has 3640 states and 4925 transitions. Word has length 106 [2022-07-20 00:28:03,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:28:03,508 INFO L495 AbstractCegarLoop]: Abstraction has 3640 states and 4925 transitions. [2022-07-20 00:28:03,508 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) [2022-07-20 00:28:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4925 transitions. [2022-07-20 00:28:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-20 00:28:03,521 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:28:03,521 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] [2022-07-20 00:28:03,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:28:03,522 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:28:03,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:28:03,523 INFO L85 PathProgramCache]: Analyzing trace with hash 161380544, now seen corresponding path program 1 times [2022-07-20 00:28:03,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:28:03,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226318663] [2022-07-20 00:28:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:28:03,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:28:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 00:28:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:28:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 00:28:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 00:28:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 00:28:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-20 00:28:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 00:28:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 00:28:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:28:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:28:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 00:28:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:28:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:28:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:28:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 00:28:04,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:28:04,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226318663] [2022-07-20 00:28:04,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226318663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:28:04,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:28:04,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:28:04,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734186989] [2022-07-20 00:28:04,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:28:04,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:28:04,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:28:04,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:28:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:28:04,183 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) [2022-07-20 00:28:07,061 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 [] [2022-07-20 00:28:09,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:28:09,989 INFO L93 Difference]: Finished difference Result 7804 states and 10670 transitions. [2022-07-20 00:28:09,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 00:28:09,990 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 [2022-07-20 00:28:09,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:28:10,020 INFO L225 Difference]: With dead ends: 7804 [2022-07-20 00:28:10,021 INFO L226 Difference]: Without dead ends: 4161 [2022-07-20 00:28:10,039 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 [2022-07-20 00:28:10,040 INFO L413 NwaCegarLoop]: 1662 mSDtfsCounter, 1371 mSDsluCounter, 3113 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 1067 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 4775 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:28:10,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 4775 Invalid, 3092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1067 Valid, 2024 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-07-20 00:28:10,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4161 states. [2022-07-20 00:28:10,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4161 to 3643. [2022-07-20 00:28:10,190 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) [2022-07-20 00:28:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 4926 transitions. [2022-07-20 00:28:10,214 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 4926 transitions. Word has length 185 [2022-07-20 00:28:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:28:10,216 INFO L495 AbstractCegarLoop]: Abstraction has 3643 states and 4926 transitions. [2022-07-20 00:28:10,217 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) [2022-07-20 00:28:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4926 transitions. [2022-07-20 00:28:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-20 00:28:10,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:28:10,224 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] [2022-07-20 00:28:10,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:28:10,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:28:10,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:28:10,225 INFO L85 PathProgramCache]: Analyzing trace with hash -763514272, now seen corresponding path program 1 times [2022-07-20 00:28:10,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:28:10,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849205868] [2022-07-20 00:28:10,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:28:10,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:28:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:28:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 00:28:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 00:28:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 00:28:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:28:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 00:28:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 00:28:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 00:28:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 00:28:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 00:28:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:28:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 00:28:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 00:28:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 00:28:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 00:28:10,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:28:10,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849205868] [2022-07-20 00:28:10,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849205868] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:28:10,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:28:10,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:28:10,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11043567] [2022-07-20 00:28:10,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:28:10,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:28:10,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:28:10,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:28:10,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:28:10,944 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) [2022-07-20 00:28:13,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:28:14,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:28:19,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:28:19,947 INFO L93 Difference]: Finished difference Result 10543 states and 14434 transitions. [2022-07-20 00:28:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:28:19,948 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 [2022-07-20 00:28:19,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:28:19,992 INFO L225 Difference]: With dead ends: 10543 [2022-07-20 00:28:19,992 INFO L226 Difference]: Without dead ends: 6903 [2022-07-20 00:28:20,011 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 [2022-07-20 00:28:20,012 INFO L413 NwaCegarLoop]: 1820 mSDtfsCounter, 4021 mSDsluCounter, 3252 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 1836 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4263 SdHoareTripleChecker+Valid, 5072 SdHoareTripleChecker+Invalid, 5221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1836 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:28:20,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4263 Valid, 5072 Invalid, 5221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1836 Valid, 3385 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-07-20 00:28:20,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6903 states. [2022-07-20 00:28:20,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6903 to 5972. [2022-07-20 00:28:20,289 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) [2022-07-20 00:28:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5972 states to 5972 states and 8057 transitions. [2022-07-20 00:28:20,316 INFO L78 Accepts]: Start accepts. Automaton has 5972 states and 8057 transitions. Word has length 194 [2022-07-20 00:28:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:28:20,317 INFO L495 AbstractCegarLoop]: Abstraction has 5972 states and 8057 transitions. [2022-07-20 00:28:20,318 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) [2022-07-20 00:28:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 5972 states and 8057 transitions. [2022-07-20 00:28:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-20 00:28:20,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:28:20,327 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] [2022-07-20 00:28:20,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:28:20,328 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:28:20,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:28:20,329 INFO L85 PathProgramCache]: Analyzing trace with hash -114421771, now seen corresponding path program 1 times [2022-07-20 00:28:20,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:28:20,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444755364] [2022-07-20 00:28:20,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:28:20,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:28:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:28:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 00:28:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 00:28:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 00:28:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:28:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 00:28:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 00:28:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:28:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 00:28:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:28:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 00:28:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:28:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 00:28:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:21,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 00:28:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:28:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:28:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:28:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 00:28:21,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:28:21,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444755364] [2022-07-20 00:28:21,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444755364] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:28:21,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:28:21,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:28:21,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792749611] [2022-07-20 00:28:21,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:28:21,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:28:21,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:28:21,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:28:21,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:28:21,039 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) [2022-07-20 00:28:23,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:28:26,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:28:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:28:31,872 INFO L93 Difference]: Finished difference Result 12877 states and 17589 transitions. [2022-07-20 00:28:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:28:31,874 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 [2022-07-20 00:28:31,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:28:31,919 INFO L225 Difference]: With dead ends: 12877 [2022-07-20 00:28:31,919 INFO L226 Difference]: Without dead ends: 6908 [2022-07-20 00:28:31,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:28:31,949 INFO L413 NwaCegarLoop]: 1646 mSDtfsCounter, 2252 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 2125 mSolverCounterSat, 654 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 2781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 2125 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:28:31,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 4588 Invalid, 2781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 2125 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-07-20 00:28:31,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6908 states. [2022-07-20 00:28:32,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6908 to 5972. [2022-07-20 00:28:32,275 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) [2022-07-20 00:28:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5972 states to 5972 states and 8051 transitions. [2022-07-20 00:28:32,301 INFO L78 Accepts]: Start accepts. Automaton has 5972 states and 8051 transitions. Word has length 225 [2022-07-20 00:28:32,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:28:32,301 INFO L495 AbstractCegarLoop]: Abstraction has 5972 states and 8051 transitions. [2022-07-20 00:28:32,302 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) [2022-07-20 00:28:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 5972 states and 8051 transitions. [2022-07-20 00:28:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-20 00:28:32,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:28:32,377 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] [2022-07-20 00:28:32,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:28:32,378 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:28:32,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:28:32,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2106524723, now seen corresponding path program 1 times [2022-07-20 00:28:32,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:28:32,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081408796] [2022-07-20 00:28:32,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:28:32,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:28:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:28:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 00:28:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 00:28:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 00:28:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:28:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 00:28:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 00:28:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:28:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 00:28:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:28:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 00:28:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:28:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 00:28:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 00:28:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:28:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:28:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:28:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-20 00:28:33,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:28:33,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081408796] [2022-07-20 00:28:33,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081408796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:28:33,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:28:33,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-07-20 00:28:33,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767282294] [2022-07-20 00:28:33,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:28:33,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-20 00:28:33,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:28:33,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-20 00:28:33,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:28:33,256 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) [2022-07-20 00:28:37,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:28:45,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:28:47,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:28:47,428 INFO L93 Difference]: Finished difference Result 14639 states and 20414 transitions. [2022-07-20 00:28:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 00:28:47,429 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 [2022-07-20 00:28:47,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:28:47,488 INFO L225 Difference]: With dead ends: 14639 [2022-07-20 00:28:47,489 INFO L226 Difference]: Without dead ends: 8670 [2022-07-20 00:28:47,519 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 [2022-07-20 00:28:47,520 INFO L413 NwaCegarLoop]: 2132 mSDtfsCounter, 1727 mSDsluCounter, 15385 mSDsCounter, 0 mSdLazyCounter, 7753 mSolverCounterSat, 1081 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 17517 SdHoareTripleChecker+Invalid, 8835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1081 IncrementalHoareTripleChecker+Valid, 7753 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:28:47,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 17517 Invalid, 8835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1081 Valid, 7753 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2022-07-20 00:28:47,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8670 states. [2022-07-20 00:28:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8670 to 5994. [2022-07-20 00:28:47,890 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) [2022-07-20 00:28:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 8091 transitions. [2022-07-20 00:28:47,923 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 8091 transitions. Word has length 225 [2022-07-20 00:28:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:28:47,925 INFO L495 AbstractCegarLoop]: Abstraction has 5994 states and 8091 transitions. [2022-07-20 00:28:47,925 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) [2022-07-20 00:28:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 8091 transitions. [2022-07-20 00:28:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-20 00:28:47,940 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:28:47,941 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] [2022-07-20 00:28:47,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:28:47,941 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:28:47,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:28:47,942 INFO L85 PathProgramCache]: Analyzing trace with hash 434745781, now seen corresponding path program 1 times [2022-07-20 00:28:47,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:28:47,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276029126] [2022-07-20 00:28:47,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:28:47,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:28:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:28:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 00:28:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 00:28:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 00:28:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:28:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 00:28:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 00:28:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:28:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:28:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:28:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:28:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 00:28:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 00:28:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:28:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 00:28:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 00:28:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:28:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-20 00:28:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 00:28:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 00:28:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-20 00:28:48,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:28:48,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276029126] [2022-07-20 00:28:48,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276029126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:28:48,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:28:48,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 00:28:48,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810760968] [2022-07-20 00:28:48,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:28:48,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 00:28:48,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:28:48,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 00:28:48,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:28:48,969 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) [2022-07-20 00:28:53,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:28:55,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:01,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:01,959 INFO L93 Difference]: Finished difference Result 12933 states and 17657 transitions. [2022-07-20 00:29:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 00:29:01,960 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 [2022-07-20 00:29:01,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:02,000 INFO L225 Difference]: With dead ends: 12933 [2022-07-20 00:29:02,001 INFO L226 Difference]: Without dead ends: 6942 [2022-07-20 00:29:02,028 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 [2022-07-20 00:29:02,028 INFO L413 NwaCegarLoop]: 1642 mSDtfsCounter, 998 mSDsluCounter, 7498 mSDsCounter, 0 mSdLazyCounter, 4888 mSolverCounterSat, 729 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 9140 SdHoareTripleChecker+Invalid, 5618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 4888 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:29:02,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 9140 Invalid, 5618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 4888 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-07-20 00:29:02,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6942 states. [2022-07-20 00:29:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6942 to 6042. [2022-07-20 00:29:02,335 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) [2022-07-20 00:29:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6042 states to 6042 states and 8145 transitions. [2022-07-20 00:29:02,361 INFO L78 Accepts]: Start accepts. Automaton has 6042 states and 8145 transitions. Word has length 245 [2022-07-20 00:29:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:02,362 INFO L495 AbstractCegarLoop]: Abstraction has 6042 states and 8145 transitions. [2022-07-20 00:29:02,362 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) [2022-07-20 00:29:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 6042 states and 8145 transitions. [2022-07-20 00:29:02,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-20 00:29:02,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:02,374 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] [2022-07-20 00:29:02,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 00:29:02,374 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:02,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:02,375 INFO L85 PathProgramCache]: Analyzing trace with hash -163035237, now seen corresponding path program 1 times [2022-07-20 00:29:02,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:02,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529313462] [2022-07-20 00:29:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:02,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:29:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 00:29:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 00:29:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 00:29:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:29:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 00:29:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 00:29:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 00:29:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:29:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:29:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:29:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:29:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 00:29:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 00:29:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 00:29:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 00:29:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 00:29:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:29:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:29:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-20 00:29:03,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:03,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529313462] [2022-07-20 00:29:03,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529313462] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:29:03,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919242367] [2022-07-20 00:29:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:03,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:29:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:29:03,269 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) [2022-07-20 00:29:03,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 00:29:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:04,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 3903 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 00:29:04,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:29:04,288 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-20 00:29:04,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:29:04,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919242367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:29:04,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:29:04,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-07-20 00:29:04,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95982887] [2022-07-20 00:29:04,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:29:04,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:29:04,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:04,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:29:04,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:29:04,290 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) [2022-07-20 00:29:04,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:04,671 INFO L93 Difference]: Finished difference Result 12112 states and 16327 transitions. [2022-07-20 00:29:04,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 00:29:04,672 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 [2022-07-20 00:29:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:04,698 INFO L225 Difference]: With dead ends: 12112 [2022-07-20 00:29:04,699 INFO L226 Difference]: Without dead ends: 6058 [2022-07-20 00:29:04,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:29:04,719 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 [2022-07-20 00:29:04,719 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] [2022-07-20 00:29:04,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2022-07-20 00:29:04,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 6033. [2022-07-20 00:29:04,986 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) [2022-07-20 00:29:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6033 states to 6033 states and 8128 transitions. [2022-07-20 00:29:05,010 INFO L78 Accepts]: Start accepts. Automaton has 6033 states and 8128 transitions. Word has length 246 [2022-07-20 00:29:05,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:05,010 INFO L495 AbstractCegarLoop]: Abstraction has 6033 states and 8128 transitions. [2022-07-20 00:29:05,011 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) [2022-07-20 00:29:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 6033 states and 8128 transitions. [2022-07-20 00:29:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-20 00:29:05,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:05,022 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] [2022-07-20 00:29:05,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:29:05,235 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 [2022-07-20 00:29:05,236 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:05,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:05,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1610975651, now seen corresponding path program 1 times [2022-07-20 00:29:05,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:05,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490071727] [2022-07-20 00:29:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:05,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 00:29:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:29:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-20 00:29:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 00:29:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-20 00:29:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 00:29:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:29:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:29:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:29:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 00:29:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:29:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:29:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 00:29:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 00:29:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:29:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 00:29:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:29:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:29:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-20 00:29:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 00:29:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 00:29:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-20 00:29:06,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:06,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490071727] [2022-07-20 00:29:06,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490071727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:29:06,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:29:06,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-20 00:29:06,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498471667] [2022-07-20 00:29:06,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:29:06,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-20 00:29:06,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:06,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-20 00:29:06,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:29:06,061 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) [2022-07-20 00:29:09,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:15,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:18,345 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 [] [2022-07-20 00:29:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:25,983 INFO L93 Difference]: Finished difference Result 15589 states and 21614 transitions. [2022-07-20 00:29:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-20 00:29:25,984 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 [2022-07-20 00:29:25,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:26,027 INFO L225 Difference]: With dead ends: 15589 [2022-07-20 00:29:26,027 INFO L226 Difference]: Without dead ends: 9559 [2022-07-20 00:29:26,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-07-20 00:29:26,049 INFO L413 NwaCegarLoop]: 2227 mSDtfsCounter, 2528 mSDsluCounter, 13170 mSDsCounter, 0 mSdLazyCounter, 7731 mSolverCounterSat, 1190 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 15397 SdHoareTripleChecker+Invalid, 8924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 7731 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:29:26,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 15397 Invalid, 8924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1190 Valid, 7731 Invalid, 3 Unknown, 0 Unchecked, 19.0s Time] [2022-07-20 00:29:26,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9559 states. [2022-07-20 00:29:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9559 to 6705. [2022-07-20 00:29:26,411 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) [2022-07-20 00:29:26,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 8970 transitions. [2022-07-20 00:29:26,442 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 8970 transitions. Word has length 266 [2022-07-20 00:29:26,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:26,442 INFO L495 AbstractCegarLoop]: Abstraction has 6705 states and 8970 transitions. [2022-07-20 00:29:26,442 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) [2022-07-20 00:29:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 8970 transitions. [2022-07-20 00:29:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-20 00:29:26,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:26,458 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] [2022-07-20 00:29:26,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 00:29:26,459 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:26,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:26,459 INFO L85 PathProgramCache]: Analyzing trace with hash 731086378, now seen corresponding path program 1 times [2022-07-20 00:29:26,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:26,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88556176] [2022-07-20 00:29:26,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:26,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 00:29:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:29:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 00:29:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 00:29:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:29:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 00:29:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 00:29:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 00:29:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:29:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:29:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:29:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:29:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 00:29:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:29:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 00:29:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:29:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 00:29:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 00:29:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:29:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 00:29:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 00:29:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 00:29:27,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:27,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88556176] [2022-07-20 00:29:27,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88556176] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:29:27,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792945011] [2022-07-20 00:29:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:27,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:29:27,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:29:27,318 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) [2022-07-20 00:29:27,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 00:29:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:28,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 4012 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-20 00:29:28,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:29:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-20 00:29:29,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:29:29,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792945011] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:29:29,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:29:29,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 18 [2022-07-20 00:29:29,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572398950] [2022-07-20 00:29:29,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:29:29,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:29:29,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:29,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:29:29,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-07-20 00:29:29,062 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) [2022-07-20 00:29:31,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:31,736 INFO L93 Difference]: Finished difference Result 19317 states and 25850 transitions. [2022-07-20 00:29:31,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 00:29:31,737 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 [2022-07-20 00:29:31,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:31,810 INFO L225 Difference]: With dead ends: 19317 [2022-07-20 00:29:31,810 INFO L226 Difference]: Without dead ends: 13003 [2022-07-20 00:29:31,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 342 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2022-07-20 00:29:31,850 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 1757 mSDsluCounter, 12828 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-20 00:29:31,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 14851 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-20 00:29:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13003 states. [2022-07-20 00:29:32,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13003 to 12938. [2022-07-20 00:29:32,480 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) [2022-07-20 00:29:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12938 states to 12938 states and 17286 transitions. [2022-07-20 00:29:32,548 INFO L78 Accepts]: Start accepts. Automaton has 12938 states and 17286 transitions. Word has length 272 [2022-07-20 00:29:32,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:32,549 INFO L495 AbstractCegarLoop]: Abstraction has 12938 states and 17286 transitions. [2022-07-20 00:29:32,550 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) [2022-07-20 00:29:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 12938 states and 17286 transitions. [2022-07-20 00:29:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-20 00:29:32,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:32,575 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] [2022-07-20 00:29:32,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:29:32,803 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 [2022-07-20 00:29:32,804 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:32,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:32,805 INFO L85 PathProgramCache]: Analyzing trace with hash 971422875, now seen corresponding path program 1 times [2022-07-20 00:29:32,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:32,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740933801] [2022-07-20 00:29:32,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:32,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 00:29:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:29:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 00:29:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 00:29:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 00:29:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:29:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 00:29:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 00:29:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 00:29:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:29:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:29:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:29:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:29:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 00:29:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:29:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 00:29:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:29:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 00:29:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 00:29:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:29:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 00:29:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 00:29:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 00:29:33,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:33,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740933801] [2022-07-20 00:29:33,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740933801] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:29:33,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049425401] [2022-07-20 00:29:33,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:33,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:29:33,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:29:33,792 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) [2022-07-20 00:29:33,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 00:29:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:36,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 4026 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-20 00:29:36,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:29:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-20 00:29:36,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:29:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 00:29:36,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049425401] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:29:36,801 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:29:36,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-07-20 00:29:36,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085559552] [2022-07-20 00:29:36,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:29:36,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-20 00:29:36,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:36,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-20 00:29:36,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:29:36,803 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) [2022-07-20 00:29:40,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:41,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:49,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:53,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:53,555 INFO L93 Difference]: Finished difference Result 27818 states and 37625 transitions. [2022-07-20 00:29:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 00:29:53,556 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 [2022-07-20 00:29:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:53,649 INFO L225 Difference]: With dead ends: 27818 [2022-07-20 00:29:53,650 INFO L226 Difference]: Without dead ends: 14714 [2022-07-20 00:29:53,708 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 [2022-07-20 00:29:53,709 INFO L413 NwaCegarLoop]: 1632 mSDtfsCounter, 621 mSDsluCounter, 12576 mSDsCounter, 0 mSdLazyCounter, 8192 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 14208 SdHoareTripleChecker+Invalid, 8608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 8192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:29:53,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 14208 Invalid, 8608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 8192 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2022-07-20 00:29:53,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14714 states. [2022-07-20 00:29:54,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14714 to 12925. [2022-07-20 00:29:54,463 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) [2022-07-20 00:29:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12925 states to 12925 states and 17260 transitions. [2022-07-20 00:29:54,520 INFO L78 Accepts]: Start accepts. Automaton has 12925 states and 17260 transitions. Word has length 272 [2022-07-20 00:29:54,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:54,521 INFO L495 AbstractCegarLoop]: Abstraction has 12925 states and 17260 transitions. [2022-07-20 00:29:54,521 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) [2022-07-20 00:29:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 12925 states and 17260 transitions. [2022-07-20 00:29:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-20 00:29:54,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:54,542 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] [2022-07-20 00:29:54,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:29:54,755 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 [2022-07-20 00:29:54,756 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:54,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:54,756 INFO L85 PathProgramCache]: Analyzing trace with hash -705914507, now seen corresponding path program 2 times [2022-07-20 00:29:54,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:54,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256540319] [2022-07-20 00:29:54,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:54,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 00:29:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:29:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 00:29:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 00:29:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 00:29:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:29:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 00:29:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 00:29:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 00:29:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:29:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 00:29:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:29:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:29:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 00:29:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 00:29:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:29:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 00:29:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 00:29:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 00:29:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:29:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:29:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 00:29:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 00:29:55,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:55,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256540319] [2022-07-20 00:29:55,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256540319] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:29:55,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365635773] [2022-07-20 00:29:55,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 00:29:55,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:29:55,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:29:55,540 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) [2022-07-20 00:29:55,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 00:29:59,932 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 00:29:59,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:29:59,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 00:29:59,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:30:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-20 00:30:00,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:30:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 00:30:00,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365635773] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:30:00,510 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:30:00,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-07-20 00:30:00,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372020817] [2022-07-20 00:30:00,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:30:00,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-20 00:30:00,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:30:00,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-20 00:30:00,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-07-20 00:30:00,515 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) [2022-07-20 00:30:05,038 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 [] [2022-07-20 00:30:12,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:30:12,574 INFO L93 Difference]: Finished difference Result 27781 states and 37527 transitions. [2022-07-20 00:30:12,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-20 00:30:12,576 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 [2022-07-20 00:30:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:30:12,651 INFO L225 Difference]: With dead ends: 27781 [2022-07-20 00:30:12,651 INFO L226 Difference]: Without dead ends: 14755 [2022-07-20 00:30:12,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2022-07-20 00:30:12,700 INFO L413 NwaCegarLoop]: 1634 mSDtfsCounter, 1135 mSDsluCounter, 10589 mSDsCounter, 0 mSdLazyCounter, 6706 mSolverCounterSat, 807 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 12223 SdHoareTripleChecker+Invalid, 7514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 6706 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:30:12,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 12223 Invalid, 7514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [807 Valid, 6706 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-07-20 00:30:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14755 states. [2022-07-20 00:30:13,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14755 to 12966. [2022-07-20 00:30:13,413 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) [2022-07-20 00:30:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12966 states to 12966 states and 17301 transitions. [2022-07-20 00:30:13,470 INFO L78 Accepts]: Start accepts. Automaton has 12966 states and 17301 transitions. Word has length 273 [2022-07-20 00:30:13,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:30:13,470 INFO L495 AbstractCegarLoop]: Abstraction has 12966 states and 17301 transitions. [2022-07-20 00:30:13,471 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) [2022-07-20 00:30:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 12966 states and 17301 transitions. [2022-07-20 00:30:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-20 00:30:13,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:30:13,494 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] [2022-07-20 00:30:13,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:30:13,719 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 [2022-07-20 00:30:13,720 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:30:13,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:30:13,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1163765797, now seen corresponding path program 3 times [2022-07-20 00:30:13,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:30:13,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085833138] [2022-07-20 00:30:13,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:30:13,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:30:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 00:30:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:30:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 00:30:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 00:30:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 00:30:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:30:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 00:30:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 00:30:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 00:30:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:30:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 00:30:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:30:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:30:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:30:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 00:30:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:30:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:30:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 00:30:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:30:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:30:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 00:30:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-20 00:30:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 00:30:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 00:30:14,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:30:14,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085833138] [2022-07-20 00:30:14,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085833138] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:30:14,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289149553] [2022-07-20 00:30:14,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-20 00:30:14,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:30:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:30:14,538 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) [2022-07-20 00:30:14,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 00:30:40,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-07-20 00:30:40,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 00:30:40,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-20 00:30:40,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:30:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-20 00:30:40,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:30:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 00:30:41,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289149553] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:30:41,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:30:41,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 24 [2022-07-20 00:30:41,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543392706] [2022-07-20 00:30:41,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:30:41,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-20 00:30:41,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:30:41,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-20 00:30:41,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2022-07-20 00:30:41,425 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) [2022-07-20 00:30:57,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:30:57,957 INFO L93 Difference]: Finished difference Result 27847 states and 37589 transitions. [2022-07-20 00:30:57,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 00:30:57,958 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 [2022-07-20 00:30:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:30:58,024 INFO L225 Difference]: With dead ends: 27847 [2022-07-20 00:30:58,024 INFO L226 Difference]: Without dead ends: 14772 [2022-07-20 00:30:58,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 608 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2022-07-20 00:30:58,065 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 1833 mSDsluCounter, 14668 mSDsCounter, 0 mSdLazyCounter, 9102 mSolverCounterSat, 1440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s 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, 15.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:30:58,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 16301 Invalid, 10542 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1440 Valid, 9102 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-07-20 00:30:58,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14772 states. [2022-07-20 00:30:58,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14772 to 12983. [2022-07-20 00:30:58,749 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) [2022-07-20 00:30:58,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12983 states to 12983 states and 17318 transitions. [2022-07-20 00:30:58,806 INFO L78 Accepts]: Start accepts. Automaton has 12983 states and 17318 transitions. Word has length 274 [2022-07-20 00:30:58,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:30:58,809 INFO L495 AbstractCegarLoop]: Abstraction has 12983 states and 17318 transitions. [2022-07-20 00:30:58,810 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) [2022-07-20 00:30:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 12983 states and 17318 transitions. [2022-07-20 00:30:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-20 00:30:58,833 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:30:58,833 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] [2022-07-20 00:30:58,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:30:59,056 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 [2022-07-20 00:30:59,057 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:30:59,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:30:59,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1822713397, now seen corresponding path program 4 times [2022-07-20 00:30:59,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:30:59,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80464193] [2022-07-20 00:30:59,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:30:59,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:31:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 00:31:01,201 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 00:31:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 00:31:03,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-20 00:31:03,362 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 00:31:03,363 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 00:31:03,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 00:31:03,367 INFO L356 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:31:03,372 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 00:31:03,438 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-20 00:31:03,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:31:03 BoogieIcfgContainer [2022-07-20 00:31:03,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 00:31:03,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 00:31:03,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 00:31:03,665 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 00:31:03,666 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:27:55" (3/4) ... [2022-07-20 00:31:03,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-20 00:31:03,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 00:31:03,670 INFO L158 Benchmark]: Toolchain (without parser) took 199806.22ms. Allocated memory was 107.0MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 57.6MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 332.9MB. Max. memory is 16.1GB. [2022-07-20 00:31:03,671 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 79.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:31:03,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4617.73ms. Allocated memory was 107.0MB in the beginning and 245.4MB in the end (delta: 138.4MB). Free memory was 57.4MB in the beginning and 145.2MB in the end (delta: -87.8MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2022-07-20 00:31:03,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 270.40ms. Allocated memory is still 245.4MB. Free memory was 145.2MB in the beginning and 118.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-20 00:31:03,671 INFO L158 Benchmark]: Boogie Preprocessor took 193.70ms. Allocated memory is still 245.4MB. Free memory was 118.0MB in the beginning and 90.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-20 00:31:03,672 INFO L158 Benchmark]: RCFGBuilder took 6978.86ms. Allocated memory was 245.4MB in the beginning and 536.9MB in the end (delta: 291.5MB). Free memory was 90.7MB in the beginning and 146.3MB in the end (delta: -55.5MB). Peak memory consumption was 256.3MB. Max. memory is 16.1GB. [2022-07-20 00:31:03,672 INFO L158 Benchmark]: TraceAbstraction took 187735.05ms. Allocated memory was 536.9MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 146.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 715.6MB. Max. memory is 16.1GB. [2022-07-20 00:31:03,672 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 1.6GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 00:31:03,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 79.7MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4617.73ms. Allocated memory was 107.0MB in the beginning and 245.4MB in the end (delta: 138.4MB). Free memory was 57.4MB in the beginning and 145.2MB in the end (delta: -87.8MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 270.40ms. Allocated memory is still 245.4MB. Free memory was 145.2MB in the beginning and 118.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 193.70ms. Allocated memory is still 245.4MB. Free memory was 118.0MB in the beginning and 90.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6978.86ms. Allocated memory was 245.4MB in the beginning and 536.9MB in the end (delta: 291.5MB). Free memory was 90.7MB in the beginning and 146.3MB in the end (delta: -55.5MB). Peak memory consumption was 256.3MB. Max. memory is 16.1GB. * TraceAbstraction took 187735.05ms. Allocated memory was 536.9MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 146.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 715.6MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 1.6GB. Free memory is still 1.2GB. 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: 187.4s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.3s, AutomataDifference: 128.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 24555 SdHoareTripleChecker+Valid, 118.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23331 mSDsluCounter, 128733 SdHoareTripleChecker+Invalid, 108.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105093 mSDsCounter, 11198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54552 IncrementalHoareTripleChecker+Invalid, 65759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11198 mSolverCounterUnsat, 23640 mSDtfsCounter, 54552 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3132 GetRequests, 2878 SyntacticMatches, 9 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 3.9s 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: 5.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 14797 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 36.6s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 4414 NumberOfCodeBlocks, 4414 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4937 ConstructedInterpolants, 0 QuantifiedInterpolants, 8386 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 [2022-07-20 00:31:03,918 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 [2022-07-20 00:31:03,936 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-?-eb692b5 [2022-07-20 00:31:05,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:31:05,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:31:05,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:31:05,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:31:05,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:31:05,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:31:05,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:31:05,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:31:05,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:31:05,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:31:05,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:31:05,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:31:05,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:31:05,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:31:05,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:31:05,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:31:05,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:31:05,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:31:05,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:31:05,860 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:31:05,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:31:05,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:31:05,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:31:05,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:31:05,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:31:05,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:31:05,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:31:05,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:31:05,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:31:05,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:31:05,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:31:05,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:31:05,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:31:05,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:31:05,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:31:05,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:31:05,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:31:05,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:31:05,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:31:05,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:31:05,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:31:05,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 00:31:05,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:31:05,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:31:05,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:31:05,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:31:05,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:31:05,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:31:05,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:31:05,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:31:05,910 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:31:05,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:31:05,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:31:05,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:31:05,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:31:05,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:31:05,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 00:31:05,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 00:31:05,913 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 00:31:05,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:31:05,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:31:05,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:31:05,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:31:05,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:31:05,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:31:05,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:31:05,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:31:05,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:31:05,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:31:05,915 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 00:31:05,916 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 00:31:05,916 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:31:05,916 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:31:05,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:31:05,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 00:31:05,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-07-20 00:31:06,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:31:06,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:31:06,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:31:06,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:31:06,272 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:31:06,274 INFO L432 ainManager$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 [2022-07-20 00:31:06,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633115cad/01047ddc30be482f8580268b0b4b09b1/FLAG9aa9ad4b5 [2022-07-20 00:31:07,271 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:31:07,272 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 [2022-07-20 00:31:07,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633115cad/01047ddc30be482f8580268b0b4b09b1/FLAG9aa9ad4b5 [2022-07-20 00:31:07,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/633115cad/01047ddc30be482f8580268b0b4b09b1 [2022-07-20 00:31:07,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:31:07,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:31:07,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:31:07,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:31:07,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:31:07,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:31:07" (1/1) ... [2022-07-20 00:31:07,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecbae8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:07, skipping insertion in model container [2022-07-20 00:31:07,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:31:07" (1/1) ... [2022-07-20 00:31:07,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:31:07,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:31:11,512 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] [2022-07-20 00:31:11,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:31:11,645 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 00:31:11,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:31:12,011 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] [2022-07-20 00:31:12,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:31:12,046 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:31:12,856 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] [2022-07-20 00:31:12,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:31:12,996 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:31:12,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12 WrapperNode [2022-07-20 00:31:12,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:31:12,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:31:12,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:31:12,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:31:13,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,243 INFO L137 Inliner]: procedures = 440, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4357 [2022-07-20 00:31:13,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:31:13,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:31:13,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:31:13,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:31:13,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:31:13,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:31:13,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:31:13,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:31:13,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:31:12" (1/1) ... [2022-07-20 00:31:13,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:31:13,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:31:13,489 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) [2022-07-20 00:31:13,516 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 [2022-07-20 00:31:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 00:31:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-20 00:31:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-20 00:31:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-07-20 00:31:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-07-20 00:31:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 00:31:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 00:31:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:31:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:31:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-07-20 00:31:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-07-20 00:31:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-20 00:31:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-20 00:31:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-07-20 00:31:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-07-20 00:31:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:31:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:31:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-07-20 00:31:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-07-20 00:31:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-07-20 00:31:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-07-20 00:31:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 00:31:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 00:31:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-07-20 00:31:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-07-20 00:31:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:31:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:31:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-07-20 00:31:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-07-20 00:31:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-20 00:31:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-20 00:31:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 00:31:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 00:31:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:31:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:31:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-07-20 00:31:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-07-20 00:31:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:31:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:31:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-07-20 00:31:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-07-20 00:31:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:31:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 00:31:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 00:31:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 00:31:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 00:31:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 00:31:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:31:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:31:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 00:31:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 00:31:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-20 00:31:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-20 00:31:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:31:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:31:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:31:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:31:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-07-20 00:31:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-07-20 00:31:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:31:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:31:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-07-20 00:31:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-07-20 00:31:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 00:31:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 00:31:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-07-20 00:31:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-07-20 00:31:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-07-20 00:31:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-07-20 00:31:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 00:31:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 00:31:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:31:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:31:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-07-20 00:31:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-07-20 00:31:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:31:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-07-20 00:31:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-07-20 00:31:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:31:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:31:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 00:31:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-07-20 00:31:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-07-20 00:31:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 00:31:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-20 00:31:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-20 00:31:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-20 00:31:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-20 00:31:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 00:31:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-07-20 00:31:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-07-20 00:31:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:31:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:31:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 00:31:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 00:31:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 00:31:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:31:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:31:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:31:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:31:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 00:31:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 00:31:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 00:31:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:31:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 00:31:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:31:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-07-20 00:31:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-07-20 00:31:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:31:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:31:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-20 00:31:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-20 00:31:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-07-20 00:31:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-07-20 00:31:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 00:31:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 00:31:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-20 00:31:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-20 00:31:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-07-20 00:31:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-07-20 00:31:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-20 00:31:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-20 00:31:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-20 00:31:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-20 00:31:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 00:31:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 00:31:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-07-20 00:31:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-07-20 00:31:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-20 00:31:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-20 00:31:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:31:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:31:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:31:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:31:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:31:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:31:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-20 00:31:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-20 00:31:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:31:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:31:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-07-20 00:31:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-07-20 00:31:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-07-20 00:31:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-07-20 00:31:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 00:31:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 00:31:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:31:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 00:31:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 00:31:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-07-20 00:31:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-07-20 00:31:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:31:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-07-20 00:31:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-07-20 00:31:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-20 00:31:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-20 00:31:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-07-20 00:31:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-07-20 00:31:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 00:31:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 00:31:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 00:31:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-20 00:31:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-20 00:31:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 00:31:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:31:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:31:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:31:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:31:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:31:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 00:31:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 00:31:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-20 00:31:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-20 00:31:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 00:31:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 00:31:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-07-20 00:31:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-07-20 00:31:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 00:31:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 00:31:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:31:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:31:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 00:31:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 00:31:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 00:31:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 00:31:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:31:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:31:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-20 00:31:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-20 00:31:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-07-20 00:31:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-07-20 00:31:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:31:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:31:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:31:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:31:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 00:31:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 00:31:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 00:31:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 00:31:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 00:31:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 00:31:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 00:31:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 00:31:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-07-20 00:31:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-07-20 00:31:14,298 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:31:14,301 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:31:15,115 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;