/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:58:25,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:58:25,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:58:25,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:58:25,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:58:25,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:58:25,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:58:25,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:58:25,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:58:25,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:58:25,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:58:25,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:58:25,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:58:25,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:58:25,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:58:25,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:58:25,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:58:25,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:58:25,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:58:25,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:58:25,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:58:25,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:58:25,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:58:25,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:58:25,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:58:25,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:58:25,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:58:25,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:58:25,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:58:25,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:58:25,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:58:25,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:58:25,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:58:25,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:58:25,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:58:25,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:58:25,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:58:25,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:58:25,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:58:25,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:58:25,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:58:25,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:58:25,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:58:25,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:58:25,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:58:25,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:58:25,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:58:25,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:58:25,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:58:25,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:58:25,211 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:58:25,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:58:25,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:58:25,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:58:25,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:58:25,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:58:25,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:58:25,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:58:25,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:58:25,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:58:25,213 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:58:25,213 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:58:25,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:58:25,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:58:25,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:58:25,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:58:25,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:58:25,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:58:25,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:58:25,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:58:25,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:58:25,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:58:25,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:58:25,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:58:25,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:58:25,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:58:25,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:58:25,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:58:25,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:58:25,633 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:58:25,633 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:58:25,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2022-10-16 12:58:25,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d8f91f6/36e9158f5d3340d68b4718674902dda8/FLAGe24fe5187 [2022-10-16 12:58:27,023 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:58:27,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2022-10-16 12:58:27,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d8f91f6/36e9158f5d3340d68b4718674902dda8/FLAGe24fe5187 [2022-10-16 12:58:27,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d8f91f6/36e9158f5d3340d68b4718674902dda8 [2022-10-16 12:58:27,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:58:27,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:58:27,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:58:27,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:58:27,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:58:27,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:58:27" (1/1) ... [2022-10-16 12:58:27,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74122b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:27, skipping insertion in model container [2022-10-16 12:58:27,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:58:27" (1/1) ... [2022-10-16 12:58:27,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:58:27,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:58:29,527 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-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2022-10-16 12:58:30,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:58:30,193 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:58:30,676 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-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2022-10-16 12:58:30,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:58:30,915 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:58:30,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30 WrapperNode [2022-10-16 12:58:30,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:58:30,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:58:30,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:58:30,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:58:30,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,233 INFO L138 Inliner]: procedures = 229, calls = 1979, calls flagged for inlining = 98, calls inlined = 54, statements flattened = 3338 [2022-10-16 12:58:31,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:58:31,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:58:31,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:58:31,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:58:31,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,431 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:58:31,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:58:31,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:58:31,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:58:31,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (1/1) ... [2022-10-16 12:58:31,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:58:31,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:58:31,522 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) [2022-10-16 12:58:31,546 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 [2022-10-16 12:58:31,594 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-10-16 12:58:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-10-16 12:58:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:58:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-10-16 12:58:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-10-16 12:58:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:58:31,595 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-16 12:58:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-16 12:58:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-10-16 12:58:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-10-16 12:58:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-16 12:58:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-16 12:58:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 12:58:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 12:58:31,596 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-10-16 12:58:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-10-16 12:58:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:58:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:58:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-10-16 12:58:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-10-16 12:58:31,597 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:58:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:58:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-10-16 12:58:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-10-16 12:58:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-10-16 12:58:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-10-16 12:58:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-10-16 12:58:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-10-16 12:58:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 12:58:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 12:58:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-16 12:58:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-16 12:58:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-10-16 12:58:31,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-10-16 12:58:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-10-16 12:58:31,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-10-16 12:58:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:58:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 12:58:31,600 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 12:58:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-10-16 12:58:31,600 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-10-16 12:58:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:58:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 12:58:31,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 12:58:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-10-16 12:58:31,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-10-16 12:58:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-10-16 12:58:31,601 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-10-16 12:58:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-10-16 12:58:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-10-16 12:58:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:58:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:58:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-10-16 12:58:31,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-10-16 12:58:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 12:58:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 12:58:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-10-16 12:58:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-10-16 12:58:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-10-16 12:58:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-10-16 12:58:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:58:31,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-16 12:58:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 12:58:31,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 12:58:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:58:31,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:58:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-16 12:58:31,605 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-16 12:58:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-16 12:58:31,605 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-16 12:58:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-16 12:58:31,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-16 12:58:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-10-16 12:58:31,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-10-16 12:58:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-16 12:58:31,606 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-16 12:58:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:58:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-10-16 12:58:31,606 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-10-16 12:58:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-16 12:58:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-16 12:58:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:58:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:58:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-10-16 12:58:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-10-16 12:58:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-10-16 12:58:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-10-16 12:58:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-10-16 12:58:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-10-16 12:58:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:58:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:58:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:58:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 12:58:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 12:58:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-10-16 12:58:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-10-16 12:58:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-10-16 12:58:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-10-16 12:58:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-10-16 12:58:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-10-16 12:58:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_exit [2022-10-16 12:58:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_exit [2022-10-16 12:58:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-10-16 12:58:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-10-16 12:58:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-16 12:58:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-16 12:58:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:58:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 12:58:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 12:58:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:58:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-10-16 12:58:31,611 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-10-16 12:58:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:58:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 12:58:31,611 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-16 12:58:31,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-16 12:58:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-10-16 12:58:31,612 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-10-16 12:58:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-16 12:58:31,612 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-16 12:58:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-16 12:58:31,613 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-16 12:58:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-10-16 12:58:31,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-10-16 12:58:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_init [2022-10-16 12:58:31,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_init [2022-10-16 12:58:31,613 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-10-16 12:58:31,613 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-10-16 12:58:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 12:58:31,614 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 12:58:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-10-16 12:58:31,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-10-16 12:58:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-10-16 12:58:31,614 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-10-16 12:58:31,614 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-10-16 12:58:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-10-16 12:58:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2022-10-16 12:58:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2022-10-16 12:58:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:58:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-10-16 12:58:31,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-10-16 12:58:31,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:58:31,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:58:31,616 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:58:31,616 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:58:32,331 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:58:32,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:58:32,825 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:32,834 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-16 12:58:32,835 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-16 12:58:32,883 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:32,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-10-16 12:58:32,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-16 12:58:35,380 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:35,392 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:35,426 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:35,428 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:35,429 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:35,433 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:35,433 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:36,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume !false; [2022-10-16 12:58:36,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##282: assume false; [2022-10-16 12:58:36,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2022-10-16 12:58:36,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2022-10-16 12:58:36,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume false; [2022-10-16 12:58:36,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume !false; [2022-10-16 12:58:36,487 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2022-10-16 12:58:36,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2022-10-16 12:58:36,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2022-10-16 12:58:36,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2022-10-16 12:58:36,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-10-16 12:58:36,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false;call ULTIMATE.dealloc(~#backend~0#1.base, ~#backend~0#1.offset);havoc ~#backend~0#1.base, ~#backend~0#1.offset;call ULTIMATE.dealloc(~#features~0#1.base, ~#features~0#1.offset);havoc ~#features~0#1.base, ~#features~0#1.offset; [2022-10-16 12:58:36,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##359: assume false; [2022-10-16 12:58:36,488 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume !false; [2022-10-16 12:58:36,758 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 12:58:37,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2022-10-16 12:58:37,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2022-10-16 12:58:37,712 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:58:37,730 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:58:37,730 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-10-16 12:58:37,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:58:37 BoogieIcfgContainer [2022-10-16 12:58:37,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:58:37,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:58:37,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:58:37,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:58:37,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:58:27" (1/3) ... [2022-10-16 12:58:37,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b022493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:58:37, skipping insertion in model container [2022-10-16 12:58:37,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:58:30" (2/3) ... [2022-10-16 12:58:37,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b022493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:58:37, skipping insertion in model container [2022-10-16 12:58:37,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:58:37" (3/3) ... [2022-10-16 12:58:37,745 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2022-10-16 12:58:37,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:58:37,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 12:58:37,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:58:37,881 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=FINITE_AUTOMATA, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@304ba94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:58:37,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 12:58:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 1122 states, 787 states have (on average 1.434561626429479) internal successors, (1129), 837 states have internal predecessors, (1129), 242 states have call successors, (242), 64 states have call predecessors, (242), 64 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2022-10-16 12:58:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 12:58:37,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:58:37,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:58:37,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, vhost_work_flushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 12:58:37,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:58:37,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1814893083, now seen corresponding path program 1 times [2022-10-16 12:58:37,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:58:37,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866292103] [2022-10-16 12:58:37,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:58:37,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:58:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:58:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:58:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:39,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:58:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:58:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:58:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:58:39,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:58:39,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866292103] [2022-10-16 12:58:39,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866292103] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:58:39,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:58:39,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:58:39,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354735453] [2022-10-16 12:58:39,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:58:39,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:58:39,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:58:39,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:58:39,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:58:39,194 INFO L87 Difference]: Start difference. First operand has 1122 states, 787 states have (on average 1.434561626429479) internal successors, (1129), 837 states have internal predecessors, (1129), 242 states have call successors, (242), 64 states have call predecessors, (242), 64 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:58:42,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:58:44,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:58:44,274 INFO L93 Difference]: Finished difference Result 2443 states and 3627 transitions. [2022-10-16 12:58:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:58:44,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2022-10-16 12:58:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:58:44,309 INFO L225 Difference]: With dead ends: 2443 [2022-10-16 12:58:44,309 INFO L226 Difference]: Without dead ends: 1304 [2022-10-16 12:58:44,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:58:44,333 INFO L413 NwaCegarLoop]: 1429 mSDtfsCounter, 812 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 639 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 3181 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-10-16 12:58:44,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 3181 Invalid, 1711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [639 Valid, 1071 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-10-16 12:58:44,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2022-10-16 12:58:44,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1108. [2022-10-16 12:58:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 779 states have (on average 1.3157894736842106) internal successors, (1025), 822 states have internal predecessors, (1025), 241 states have call successors, (241), 62 states have call predecessors, (241), 62 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2022-10-16 12:58:44,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1507 transitions. [2022-10-16 12:58:44,535 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1507 transitions. Word has length 37 [2022-10-16 12:58:44,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:58:44,536 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 1507 transitions. [2022-10-16 12:58:44,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 12:58:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1507 transitions. [2022-10-16 12:58:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 12:58:44,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:58:44,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:58:44,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:58:44,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting vhost_work_flushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, vhost_work_flushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 12:58:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:58:44,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1582339085, now seen corresponding path program 1 times [2022-10-16 12:58:44,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:58:44,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967214196] [2022-10-16 12:58:44,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:58:44,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:58:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:58:45,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:58:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:58:45,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:58:45,802 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:58:45,804 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location vhost_work_flushErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2022-10-16 12:58:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2022-10-16 12:58:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2022-10-16 12:58:45,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2022-10-16 12:58:45,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2022-10-16 12:58:45,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_work_flushErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2022-10-16 12:58:45,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vq_memory_access_okErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2022-10-16 12:58:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vq_memory_access_okErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2022-10-16 12:58:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2022-10-16 12:58:45,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2022-10-16 12:58:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2022-10-16 12:58:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_dev_cleanupErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2022-10-16 12:58:45,811 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2022-10-16 12:58:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2022-10-16 12:58:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2022-10-16 12:58:45,812 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2022-10-16 12:58:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2022-10-16 12:58:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2022-10-16 12:58:45,813 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2022-10-16 12:58:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2022-10-16 12:58:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2022-10-16 12:58:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_ioctlErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2022-10-16 12:58:45,814 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2022-10-16 12:58:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_net_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2022-10-16 12:58:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2022-10-16 12:58:45,815 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2022-10-16 12:58:45,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_has_featureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2022-10-16 12:58:45,816 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vhost_has_featureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2022-10-16 12:58:45,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:58:45,821 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-16 12:58:45,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:58:46,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:58:46 BoogieIcfgContainer [2022-10-16 12:58:46,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:58:46,080 INFO L158 Benchmark]: Toolchain (without parser) took 18854.78ms. Allocated memory was 151.0MB in the beginning and 447.7MB in the end (delta: 296.7MB). Free memory was 109.7MB in the beginning and 106.1MB in the end (delta: 3.6MB). Peak memory consumption was 301.5MB. Max. memory is 8.0GB. [2022-10-16 12:58:46,084 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 151.0MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:58:46,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3691.42ms. Allocated memory was 151.0MB in the beginning and 194.0MB in the end (delta: 43.0MB). Free memory was 109.5MB in the beginning and 91.2MB in the end (delta: 18.3MB). Peak memory consumption was 93.5MB. Max. memory is 8.0GB. [2022-10-16 12:58:46,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 311.63ms. Allocated memory is still 194.0MB. Free memory was 90.7MB in the beginning and 121.6MB in the end (delta: -30.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 12:58:46,088 INFO L158 Benchmark]: Boogie Preprocessor took 243.38ms. Allocated memory is still 194.0MB. Free memory was 121.6MB in the beginning and 100.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-10-16 12:58:46,091 INFO L158 Benchmark]: RCFGBuilder took 6255.87ms. Allocated memory was 194.0MB in the beginning and 345.0MB in the end (delta: 151.0MB). Free memory was 100.1MB in the beginning and 130.6MB in the end (delta: -30.4MB). Peak memory consumption was 122.7MB. Max. memory is 8.0GB. [2022-10-16 12:58:46,094 INFO L158 Benchmark]: TraceAbstraction took 8337.60ms. Allocated memory was 345.0MB in the beginning and 447.7MB in the end (delta: 102.8MB). Free memory was 130.1MB in the beginning and 106.1MB in the end (delta: 24.0MB). Peak memory consumption was 127.3MB. Max. memory is 8.0GB. [2022-10-16 12:58:46,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 151.0MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3691.42ms. Allocated memory was 151.0MB in the beginning and 194.0MB in the end (delta: 43.0MB). Free memory was 109.5MB in the beginning and 91.2MB in the end (delta: 18.3MB). Peak memory consumption was 93.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 311.63ms. Allocated memory is still 194.0MB. Free memory was 90.7MB in the beginning and 121.6MB in the end (delta: -30.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 243.38ms. Allocated memory is still 194.0MB. Free memory was 121.6MB in the beginning and 100.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * RCFGBuilder took 6255.87ms. Allocated memory was 194.0MB in the beginning and 345.0MB in the end (delta: 151.0MB). Free memory was 100.1MB in the beginning and 130.6MB in the end (delta: -30.4MB). Peak memory consumption was 122.7MB. Max. memory is 8.0GB. * TraceAbstraction took 8337.60ms. Allocated memory was 345.0MB in the beginning and 447.7MB in the end (delta: 102.8MB). Free memory was 130.1MB in the beginning and 106.1MB in the end (delta: 24.0MB). Peak memory consumption was 127.3MB. Max. memory is 8.0GB. * 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: 6341]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 8767, overapproximation of bitwiseOr at line 8211. Possible FailurePath: [L6251] static struct lock_class_key __key___7 ; [L6784] static struct lock_class_key __key___8 ; [L6785] static struct lock_class_key __key___9 ; [L6786] static struct lock_class_key __key___10 ; [L7004] static bool __warned___22 ; [L7377] static bool __warned___23 ; [L7419] static bool __warned___24 ; [L7517] static bool __warned___25 ; [L8635] static bool __warned___26 ; [L8766-L8769] static struct _ddebug descriptor __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Invalid length in indirect descriptor: len 0x%llx not multiple of 0x%zx\n", 1035U, 0U, (char)0}; [L8770-L8772] static struct _ddebug descriptor___0 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Translation failure %d in indirect.\n", 1042U, 0U, (char)0}; [L8773-L8775] static struct _ddebug descriptor___1 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Indirect buffer length too big: %d\n", 1055U, 0U, (char)0}; [L8776-L8778] static struct _ddebug descriptor___2 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Loop detected: last one at %u indirect size %u\n", 1064U, 0U, (char)0}; [L8779-L8781] static struct _ddebug descriptor___3 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed indirect descriptor: idx %d, %zx\n", 1070U, 0U, (char)0}; [L8782-L8784] static struct _ddebug descriptor___4 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Nested indirect descriptor: idx %d, %zx\n", 1075U, 0U, (char)0}; [L8785-L8787] static struct _ddebug descriptor___5 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Translation failure %d indirect idx %d\n", 1083U, 0U, (char)0}; [L8788-L8790] static struct _ddebug descriptor___6 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_indirect", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Indirect descriptor has out after in: idx %d\n", 1099U, 0U, (char)0}; [L9193-L9195] static struct _ddebug descriptor___7 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to access avail idx at %p\n", 1130U, 0U, (char)0}; [L9196-L9198] static struct _ddebug descriptor___8 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Guest moved used index from %u to %u", 1136U, 0U, (char)0}; [L9199-L9201] static struct _ddebug descriptor___9 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to read head: idx %d address %p\n", 1153U, 0U, (char)0}; [L9202-L9204] static struct _ddebug descriptor___10 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Guest says index %u > %u is available", 1160U, 0U, (char)0}; [L9205-L9207] static struct _ddebug descriptor___11 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Desc index is %u > %u, head = %u", 1174U, 0U, (char)0}; [L9208-L9210] static struct _ddebug descriptor___12 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Loop detected: last one at %u vq size %u head %u\n", 1180U, 0U, (char)0}; [L9211-L9213] static struct _ddebug descriptor___13 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to get descriptor: idx %d addr %p\n", 1186U, 0U, (char)0}; [L9214-L9216] static struct _ddebug descriptor___14 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failure detected in indirect descriptor at idx %d\n", 1195U, 0U, (char)0}; [L9217-L9219] static struct _ddebug descriptor___15 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Translation failure %d descriptor idx %d\n", 1205U, 0U, (char)0}; [L9220-L9222] static struct _ddebug descriptor___16 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_get_vq_desc", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Descriptor has out after in: idx %d\n", 1222U, 0U, (char)0}; [L10108-L10110] static struct _ddebug descriptor___17 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_add_used", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to write used id", 1254U, 0U, (char)0}; [L10111-L10113] static struct _ddebug descriptor___18 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_add_used", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to write used len", 1258U, 0U, (char)0}; [L10114-L10116] static struct _ddebug descriptor___19 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_add_used", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to increment used idx", 1264U, 0U, (char)0}; [L10681-L10683] static struct _ddebug descriptor___20 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "__vhost_add_used_n", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to write used", 1303U, 0U, (char)0}; [L10764-L10766] static struct _ddebug descriptor___21 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_add_used_n", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to increment used idx", 1347U, 0U, (char)0}; [L10890-L10892] static struct _ddebug descriptor___22 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_notify", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to get flags", 1377U, 0U, (char)0}; [L10893-L10895] static struct _ddebug descriptor___23 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_notify", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to get used event idx", 1391U, 0U, (char)0}; [L11274-L11276] static struct _ddebug descriptor___24 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_enable_notify", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to enable notification at %p: %d\n", 1436U, 0U, (char)0}; [L11277-L11279] static struct _ddebug descriptor___25 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_enable_notify", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to update avail event index at %p: %d\n", 1443U, 0U, (char)0}; [L11280-L11282] static struct _ddebug descriptor___26 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_enable_notify", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to check avail idx at %p: %d\n", 1467U, 0U, (char)0}; [L11700-L11702] static struct _ddebug descriptor___27 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "vhost_disable_notify", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/vhost.c.common.c", "Failed to enable notification at %p: %d\n", 1486U, 0U, (char)0}; [L11824] int ldv_urb_state = 0; [L11825] int ldv_coherent_state = 0; [L12143] static bool __warned___29 ; [L12145-L12147] static struct _ddebug descriptor___28 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "handle_tx", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/net.c", "Unexpected descriptor format for TX: out %d, int %d\n", 178U, 0U, (char)0}; [L12148-L12150] static struct _ddebug descriptor___29 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "handle_tx", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/net.c", "Unexpected header len for TX: %zd expected %zd\n", 189U, 0U, (char)0}; [L12151-L12153] static struct _ddebug descriptor___30 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "handle_tx", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/net.c", "Truncated TX packet: len %d != %zd\n", 201U, 0U, (char)0}; [L12473-L12475] static struct _ddebug descriptor___31 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "get_rx_bufs", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/net.c", "unexpected descriptor format for RX: out %d, in %d\n", 265U, 0U, (char)0}; [L12612] static bool __warned___30 ; [L12614-L12616] static struct _ddebug descriptor___32 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "handle_rx", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/net.c", "Discarded rx packet: len %d, expected %zd\n", 364U, 0U, (char)0}; [L12617-L12619] static struct _ddebug descriptor___33 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "handle_rx", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/net.c", "Unable to write vnet_hdr at addr %p\n", 372U, 0U, (char)0}; [L12620-L12622] static struct _ddebug descriptor___34 __attribute__((__used__, __section__("__verbose"), __aligned__(8))) = {"vhost_net", "handle_rx", "/anthill/stuff/tacas-comp/work/current--X--drivers/vhost/vhost_net.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/68_1/drivers/vhost/net.c", "Failed num_buffers write", 380U, 0U, (char)0}; [L13073] static bool __warned___31 ; [L13125] static bool __warned___32 ; [L13368] static bool __warned___33 ; [L13695-L13719] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, (ssize_t (*)(struct file * , char * , size_t , loff_t * ))0, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, & vhost_net_ioctl, & vhost_net_compat_ioctl, (int (*)(struct file * , struct vm_area_struct * ))0, & vhost_net_open, (int (*)(struct file * , fl_owner_t id ))0, & vhost_net_release, (int (*)(struct file * , int datasync ))0, (int (*)(struct kiocb * , int datasync ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file *file , int mode , loff_t offset , loff_t len ))0}; [L13720-L13722] static struct miscdevice vhost_net_misc = {255, "vhost-net", & vhost_net_fops, {(struct list_head *)0, (struct list_head *)0}, (struct device *)0, (struct device *)0, (char const *)0, 0U}; [L13759-L13764] static char const __mod_version790[14] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'v', (char const )'e', (char const )'r', (char const )'s', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'0', (char const )'.', (char const )'0', (char const )'.', (char const )'1', (char const )'\000'}; [L13765-L13770] static char const __mod_license791[15] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )' ', (char const )'v', (char const )'2', (char const )'\000'}; [L13771-L13779] static char const __mod_author792[26] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'M', (char const )'i', (char const )'c', (char const )'h', (char const )'a', (char const )'e', (char const )'l', (char const )' ', (char const )'S', (char const )'.', (char const )' ', (char const )'T', (char const )'s', (char const )'i', (char const )'r', (char const )'k', (char const )'i', (char const )'n', (char const )'\000'}; [L13780-L13794] static char const __mod_description793[51] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'H', (char const )'o', (char const )'s', (char const )'t', (char const )' ', (char const )'k', (char const )'e', (char const )'r', (char const )'n', (char const )'e', (char const )'l', (char const )' ', (char const )'a', (char const )'c', (char const )'c', (char const )'e', (char const )'l', (char const )'e', (char const )'r', (char const )'a', (char const )'t', (char const )'o', (char const )'r', (char const )' ', (char const )'f', (char const )'o', (char const )'r', (char const )' ', (char const )'v', (char const )'i', (char const )'r', (char const )'t', (char const )'i', (char const )'o', (char const )' ', (char const )'n', (char const )'e', (char const )'t', (char const )'\000'}; [L13798] int LDV_IN_INTERRUPT ; [L13799] static int res_vhost_net_open_12 ; VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13801] struct inode *var_group1 ; [L13802] struct file *var_group2 ; [L13803] unsigned int var_vhost_net_ioctl_26_p1 ; [L13804] unsigned long var_vhost_net_ioctl_26_p2 ; [L13805] unsigned int var_vhost_net_compat_ioctl_27_p1 ; [L13806] unsigned long var_vhost_net_compat_ioctl_27_p2 ; [L13807] int tmp___7 ; [L13808] int ldv_s_vhost_net_fops_file_operations ; [L13809] int tmp___8 ; [L13810] int tmp___9 ; [L13813] LDV_IN_INTERRUPT = 1 [L13814] FCALL ldv_initialize() [L13815] CALL, EXPR vhost_net_init() VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13724] int tmp___7 ; [L13727] CALL, EXPR misc_register(& vhost_net_misc) [L14051] return __VERIFIER_nondet_int(); [L13727] RET, EXPR misc_register(& vhost_net_misc) [L13727] tmp___7 = misc_register(& vhost_net_misc) [L13729] return (tmp___7); VAL [\result=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, tmp___7=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13815] RET, EXPR vhost_net_init() VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_init()=0, vhost_net_misc={240:0}] [L13815] tmp___7 = vhost_net_init() [L13817] COND FALSE !(\read(tmp___7)) [L13821] ldv_s_vhost_net_fops_file_operations = 0 VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_vhost_net_fops_file_operations=0, ldv_urb_state=0, res_vhost_net_open_12=0, tmp___7=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13823] COND TRUE 1 VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_vhost_net_fops_file_operations=0, ldv_urb_state=0, res_vhost_net_open_12=0, tmp___7=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13826] tmp___9 = __VERIFIER_nondet_int() [L13828] COND TRUE \read(tmp___9) VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_vhost_net_fops_file_operations=0, ldv_urb_state=0, res_vhost_net_open_12=0, tmp___7=0, tmp___9=-2, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13835] tmp___8 = __VERIFIER_nondet_int() [L13837] COND FALSE !(tmp___8 == 0) VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_vhost_net_fops_file_operations=0, ldv_urb_state=0, res_vhost_net_open_12=0, tmp___7=0, tmp___8=2, tmp___9=-2, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13840] COND FALSE !(tmp___8 == 1) VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_vhost_net_fops_file_operations=0, ldv_urb_state=0, res_vhost_net_open_12=0, tmp___7=0, tmp___8=2, tmp___9=-2, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13843] COND TRUE tmp___8 == 2 VAL [__key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_vhost_net_fops_file_operations=0, ldv_urb_state=0, res_vhost_net_open_12=0, tmp___7=0, tmp___8=2, tmp___9=-2, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13876] CALL vhost_net_ioctl(var_group2, var_vhost_net_ioctl_26_p1, var_vhost_net_ioctl_26_p2) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13587] struct vhost_net *n ; [L13588] void *argp ; [L13589] u64 *featurep ; [L13590] struct vhost_vring_file backend ; [L13591] u64 features ; [L13592] int r ; [L13593] unsigned long tmp___7 ; [L13594] long tmp___8 ; [L13595] int tmp___9 ; [L13596] unsigned long tmp___10 ; [L13597] int tmp___11 ; [L13598] long tmp___12 ; [L13599] long tmp___13 ; [L13600] unsigned long tmp ; [L13601] int tmp___14 ; [L13602] unsigned long tmp___15 ; [L13604] EXPR f->private_data [L13604] n = (struct vhost_net *)f->private_data [L13605] argp = (void *)arg [L13606] featurep = (u64 *)argp VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, backend={243:0}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, f={6442450950:-191}, f={6442450950:-191}, featurep={0:2147483646}, features={242:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13607] COND FALSE !((unsigned long )((int )ioctl) == ((unsigned long )(((1U << 30) | (unsigned int )(175 << 8)) | 48U) | (sizeof(struct vhost_vring_file ) << 16))) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, backend={243:0}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, f={6442450950:-191}, f={6442450950:-191}, featurep={0:2147483646}, features={242:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13610] COND FALSE !((unsigned long )((int )ioctl) == ((unsigned long )((2U << 30) | (unsigned int )(175 << 8)) | (sizeof(__u64 ) << 16))) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, backend={243:0}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, f={6442450950:-191}, f={6442450950:-191}, featurep={0:2147483646}, features={242:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13613] COND FALSE !((unsigned long )((int )ioctl) == ((unsigned long )((1U << 30) | (unsigned int )(175 << 8)) | (sizeof(__u64 ) << 16))) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, backend={243:0}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, f={6442450950:-191}, f={6442450950:-191}, featurep={0:2147483646}, features={242:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13616] COND FALSE !((unsigned int )((int )ioctl) == ((unsigned int )(175 << 8) | 2U)) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, backend={243:0}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, f={6442450950:-191}, f={6442450950:-191}, featurep={0:2147483646}, features={242:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13672] FCALL mutex_lock_nested(& n->dev.mutex, 0U) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, backend={243:0}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, f={6442450950:-191}, f={6442450950:-191}, featurep={0:2147483646}, features={242:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13673] CALL, EXPR vhost_dev_ioctl(& n->dev, ioctl, arg) [L8187] void *argp ; [L8188] struct file *eventfp ; [L8189] struct file *filep ; [L8190] struct eventfd_ctx *ctx ; [L8191] u64 p ; [L8192] long r ; [L8193] int i ; [L8194] int fd ; [L8195] unsigned long tmp___7 ; [L8196] struct vhost_virtqueue *vq ; [L8197] void *base ; [L8198] int tmp___8 ; [L8199] int __ret_gu ; [L8200] unsigned long __val_gu ; [L8201] struct file *tmp___9 ; [L8202] long tmp___10 ; [L8203] struct eventfd_ctx *tmp___11 ; [L8204] unsigned long tmp ; [L8205] long tmp___12 ; [L8206] long tmp___13 ; [L8208] argp = (void *)arg [L8209] filep = (struct file *)((void *)0) [L8210] ctx = (struct eventfd_ctx *)((void *)0) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, ctx={0:0}, d={6442450944:-17480}, d={6442450944:-17480}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, filep={0:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, p={244:0}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L8211] COND TRUE ioctl == ((unsigned int )(175 << 8) | 1U) [L8213] CALL, EXPR vhost_dev_set_owner(d) [L6916] struct task_struct *worker ; [L6917] int err ; [L6918] struct task_struct *tmp___7 ; [L6919] struct task_struct *tmp___8 ; [L6920] long tmp___9 ; [L6921] long tmp___10 ; [L6922] long tmp___11 ; [L6923] long tmp ; [L6924] long tmp___12 ; [L6926] dev->mm VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450944:-17480}, dev={6442450944:-17480}, dev->mm={6442450945:6442450948}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L6926] COND TRUE dev->mm [L6927] err = -16 VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450944:-17480}, dev={6442450944:-17480}, err=-16, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L6980] return ((long )err); VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \result=-16, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450944:-17480}, dev={6442450944:-17480}, err=-16, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L8213] RET, EXPR vhost_dev_set_owner(d) [L8213] r = vhost_dev_set_owner(d) [L8413] return (r); [L8413] return (r); VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, \result=-16, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, ctx={0:0}, d={6442450944:-17480}, d={6442450944:-17480}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, filep={0:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, r=-16, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13673] RET, EXPR vhost_dev_ioctl(& n->dev, ioctl, arg) [L13673] tmp___13 = vhost_dev_ioctl(& n->dev, ioctl, arg) [L13674] r = (int )tmp___13 VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(arg)=2147483646, \old(ioctl)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, arg=2147483646, argp={0:2147483646}, backend={243:0}, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, f={6442450950:-191}, f={6442450950:-191}, featurep={0:2147483646}, features={242:0}, ioctl=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, r=-16, res_vhost_net_open_12=0, tmp___13=-16, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13675] CALL vhost_net_flush(n) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13196] CALL vhost_net_flush_vq(n, 1) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, \old(index)=1, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, n={6442450944:-17480}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L13186] CALL vhost_poll_flush(n->poll + index) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, poll={6442450944:-32}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L6444] EXPR poll->dev VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, poll={6442450944:-32}, poll={6442450944:-32}, poll->dev={6442450946:-120}, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L6444] CALL vhost_work_flush(poll->dev, & poll->work) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450946:-120}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}, work={6442450944:0}] [L6330] unsigned int seq ; [L6331] int flushing ; [L6332] bool tmp___7 ; [L6333] wait_queue_t __wait ; [L6334] struct task_struct *tmp___8 ; [L6335] bool tmp___9 ; [L6336] long tmp___10 ; VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __wait={241:0}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450946:-120}, dev={6442450946:-120}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}, work={6442450944:0}, work={6442450944:0}] [L6339] CALL spin_lock_irq(& dev->work_lock) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}] [L5214] FCALL _raw_spin_lock_irq(& lock->__annonCompField18.rlock) [L6339] RET spin_lock_irq(& dev->work_lock) VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __wait={241:0}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450946:-120}, dev={6442450946:-120}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, vhost_net_fops={239:0}, vhost_net_misc={240:0}, work={6442450944:0}, work={6442450944:0}] [L6340] EXPR work->queue_seq [L6340] seq = work->queue_seq [L6341] EXPR work->flushing VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __wait={241:0}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450946:-120}, dev={6442450946:-120}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, seq=2147483647, vhost_net_fops={239:0}, vhost_net_misc={240:0}, work={6442450944:0}, work={6442450944:0}, work->flushing=2147483647] [L6341] work->flushing + 1 VAL [\old(__warned___22)=0, \old(__warned___23)=0, \old(__warned___24)=0, \old(__warned___25)=0, \old(__warned___31)=0, \old(__warned___32)=0, \old(__warned___33)=0, __key___10={202:0}, __key___7={199:0}, __key___8={200:0}, __key___9={201:0}, __this_module={6442450947:6442450949}, __wait={241:0}, __warned___22=0, __warned___23=0, __warned___24=0, __warned___25=0, __warned___26=0, __warned___29=0, __warned___30=0, __warned___31=0, __warned___32=0, __warned___33=0, descriptor={203:0}, descriptor___0={204:0}, descriptor___1={205:0}, descriptor___10={214:0}, descriptor___11={215:0}, descriptor___12={216:0}, descriptor___13={217:0}, descriptor___14={218:0}, descriptor___15={219:0}, descriptor___16={220:0}, descriptor___17={221:0}, descriptor___18={222:0}, descriptor___19={223:0}, descriptor___2={206:0}, descriptor___20={224:0}, descriptor___21={225:0}, descriptor___22={226:0}, descriptor___23={227:0}, descriptor___24={228:0}, descriptor___25={229:0}, descriptor___26={230:0}, descriptor___27={231:0}, descriptor___28={232:0}, descriptor___29={233:0}, descriptor___3={207:0}, descriptor___30={234:0}, descriptor___31={235:0}, descriptor___32={236:0}, descriptor___33={237:0}, descriptor___34={238:0}, descriptor___4={208:0}, descriptor___5={209:0}, descriptor___6={210:0}, descriptor___7={211:0}, descriptor___8={212:0}, descriptor___9={213:0}, dev={6442450946:-120}, dev={6442450946:-120}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, res_vhost_net_open_12=0, seq=2147483647, vhost_net_fops={239:0}, vhost_net_misc={240:0}, work={6442450944:0}, work={6442450944:0}, work->flushing=2147483647] - UnprovableResult [Line: 7281]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7281]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6341]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6398]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6398]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7244]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7244]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7064]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7064]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6775]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6775]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 13573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 13573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6730]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6730]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6748]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6748]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8283]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8283]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8384]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 8384]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6866]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6866]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 13861]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 13861]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6219]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6219]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 65 procedures, 1122 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 881 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 812 mSDsluCounter, 3181 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1752 mSDsCounter, 639 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1071 IncrementalHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 639 mSolverCounterUnsat, 1429 mSDtfsCounter, 1071 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1122occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 1 MinimizatonAttempts, 196 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 [2022-10-16 12:58:46,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...