./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:55:32,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:55:32,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:55:32,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:55:32,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:55:32,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:55:32,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:55:32,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:55:32,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:55:32,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:55:32,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:55:32,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:55:32,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:55:32,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:55:32,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:55:32,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:55:32,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:55:32,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:55:32,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:55:32,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:55:32,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:55:32,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:55:32,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:55:32,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:55:32,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:55:32,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:55:32,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:55:32,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:55:32,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:55:32,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:55:32,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:55:32,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:55:32,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:55:32,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:55:32,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:55:32,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:55:32,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:55:32,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:55:32,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:55:32,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:55:32,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:55:32,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:55:32,774 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:55:32,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:55:32,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:55:32,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:55:32,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:55:32,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:55:32,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:55:32,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:55:32,780 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:55:32,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:55:32,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:55:32,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:55:32,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:55:32,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:55:32,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:55:32,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:55:32,783 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:55:32,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:55:32,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:55:32,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:55:32,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:55:32,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:32,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:55:32,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:55:32,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:55:32,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:55:32,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:55:32,786 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:55:32,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:55:32,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:55:32,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:55:32,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-12-15 12:55:32,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:55:33,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:55:33,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:55:33,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:55:33,025 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:55:33,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-12-15 12:55:33,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b047b6d/ad03711e458345ff84663473d8093228/FLAG26b2b9bda [2021-12-15 12:55:33,883 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:55:33,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-12-15 12:55:33,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b047b6d/ad03711e458345ff84663473d8093228/FLAG26b2b9bda [2021-12-15 12:55:34,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58b047b6d/ad03711e458345ff84663473d8093228 [2021-12-15 12:55:34,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:55:34,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:55:34,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:34,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:55:34,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:55:34,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:34" (1/1) ... [2021-12-15 12:55:34,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7d5def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:34, skipping insertion in model container [2021-12-15 12:55:34,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:34" (1/1) ... [2021-12-15 12:55:34,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:55:34,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:55:36,420 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-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-12-15 12:55:36,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:36,565 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:55:36,944 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-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-12-15 12:55:36,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:37,029 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:55:37,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37 WrapperNode [2021-12-15 12:55:37,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:37,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:37,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:55:37,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:55:37,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,362 INFO L137 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6648 [2021-12-15 12:55:37,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:37,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:55:37,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:55:37,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:55:37,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:55:37,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:55:37,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:55:37,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:55:37,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:37" (1/1) ... [2021-12-15 12:55:37,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:37,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:55:37,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:55:37,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:55:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2021-12-15 12:55:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2021-12-15 12:55:37,705 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-12-15 12:55:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-12-15 12:55:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-12-15 12:55:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-12-15 12:55:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2021-12-15 12:55:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2021-12-15 12:55:37,706 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-15 12:55:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-15 12:55:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2021-12-15 12:55:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2021-12-15 12:55:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:55:37,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2021-12-15 12:55:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2021-12-15 12:55:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:55:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-15 12:55:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-15 12:55:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2021-12-15 12:55:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2021-12-15 12:55:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2021-12-15 12:55:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2021-12-15 12:55:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-12-15 12:55:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-15 12:55:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 12:55:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:55:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2021-12-15 12:55:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:55:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2021-12-15 12:55:37,762 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:55:37,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:55:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 12:55:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2021-12-15 12:55:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-12-15 12:55:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2021-12-15 12:55:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2021-12-15 12:55:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2021-12-15 12:55:37,763 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-12-15 12:55:37,763 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2021-12-15 12:55:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 12:55:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:55:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 12:55:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2021-12-15 12:55:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2021-12-15 12:55:37,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:55:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 12:55:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2021-12-15 12:55:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2021-12-15 12:55:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:55:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2021-12-15 12:55:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2021-12-15 12:55:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:55:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:55:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-12-15 12:55:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-12-15 12:55:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-12-15 12:55:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-12-15 12:55:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:55:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:55:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2021-12-15 12:55:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2021-12-15 12:55:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2021-12-15 12:55:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2021-12-15 12:55:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 12:55:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-15 12:55:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 12:55:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 12:55:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:55:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:55:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-15 12:55:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-15 12:55:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:55:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2021-12-15 12:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2021-12-15 12:55:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-12-15 12:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-12-15 12:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2021-12-15 12:55:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2021-12-15 12:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:55:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:55:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:55:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:55:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:55:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:55:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2021-12-15 12:55:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2021-12-15 12:55:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 12:55:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 12:55:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:55:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2021-12-15 12:55:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2021-12-15 12:55:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:55:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2021-12-15 12:55:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2021-12-15 12:55:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2021-12-15 12:55:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2021-12-15 12:55:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2021-12-15 12:55:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2021-12-15 12:55:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 12:55:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 12:55:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:55:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:55:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-12-15 12:55:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-12-15 12:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:55:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-12-15 12:55:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-12-15 12:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-12-15 12:55:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-12-15 12:55:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2021-12-15 12:55:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2021-12-15 12:55:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-12-15 12:55:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-12-15 12:55:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2021-12-15 12:55:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2021-12-15 12:55:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2021-12-15 12:55:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2021-12-15 12:55:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2021-12-15 12:55:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2021-12-15 12:55:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 12:55:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 12:55:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 12:55:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 12:55:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:55:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:55:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2021-12-15 12:55:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2021-12-15 12:55:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-15 12:55:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-15 12:55:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:55:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-15 12:55:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-15 12:55:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:55:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:55:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2021-12-15 12:55:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2021-12-15 12:55:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:55:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2021-12-15 12:55:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2021-12-15 12:55:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2021-12-15 12:55:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2021-12-15 12:55:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2021-12-15 12:55:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2021-12-15 12:55:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:55:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 12:55:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 12:55:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:55:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-15 12:55:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-15 12:55:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:55:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:55:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2021-12-15 12:55:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2021-12-15 12:55:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 12:55:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 12:55:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-15 12:55:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-15 12:55:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2021-12-15 12:55:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2021-12-15 12:55:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:55:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:55:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2021-12-15 12:55:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2021-12-15 12:55:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 12:55:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 12:55:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2021-12-15 12:55:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2021-12-15 12:55:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:55:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:55:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:55:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:55:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2021-12-15 12:55:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2021-12-15 12:55:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2021-12-15 12:55:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2021-12-15 12:55:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-12-15 12:55:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-12-15 12:55:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2021-12-15 12:55:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2021-12-15 12:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-12-15 12:55:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-12-15 12:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:55:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 12:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2021-12-15 12:55:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2021-12-15 12:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:55:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 12:55:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 12:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2021-12-15 12:55:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2021-12-15 12:55:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:55:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2021-12-15 12:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2021-12-15 12:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-12-15 12:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-12-15 12:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:55:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:55:38,539 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:55:38,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:55:38,938 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:55:38,945 INFO L158 Benchmark]: Toolchain (without parser) took 4840.03ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 58.9MB in the beginning and 89.1MB in the end (delta: -30.2MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2021-12-15 12:55:38,946 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:55:38,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2927.74ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 58.7MB in the beginning and 103.4MB in the end (delta: -44.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2021-12-15 12:55:38,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 330.84ms. Allocated memory is still 192.9MB. Free memory was 103.4MB in the beginning and 107.2MB in the end (delta: -3.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2021-12-15 12:55:38,950 INFO L158 Benchmark]: Boogie Preprocessor took 256.69ms. Allocated memory is still 192.9MB. Free memory was 107.2MB in the beginning and 72.6MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-15 12:55:38,951 INFO L158 Benchmark]: RCFGBuilder took 1320.45ms. Allocated memory is still 192.9MB. Free memory was 72.6MB in the beginning and 89.1MB in the end (delta: -16.5MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2021-12-15 12:55:38,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2927.74ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 58.7MB in the beginning and 103.4MB in the end (delta: -44.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 330.84ms. Allocated memory is still 192.9MB. Free memory was 103.4MB in the beginning and 107.2MB in the end (delta: -3.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 256.69ms. Allocated memory is still 192.9MB. Free memory was 107.2MB in the beginning and 72.6MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1320.45ms. Allocated memory is still 192.9MB. Free memory was 72.6MB in the beginning and 89.1MB in the end (delta: -16.5MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:55:39,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:55:41,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:55:41,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:55:41,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:55:41,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:55:41,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:55:41,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:55:41,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:55:41,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:55:41,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:55:41,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:55:41,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:55:41,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:55:41,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:55:41,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:55:41,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:55:41,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:55:41,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:55:41,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:55:41,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:55:41,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:55:41,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:55:41,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:55:41,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:55:41,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:55:41,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:55:41,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:55:41,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:55:41,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:55:41,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:55:41,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:55:41,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:55:41,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:55:41,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:55:41,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:55:41,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:55:41,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:55:41,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:55:41,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:55:41,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:55:41,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:55:41,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:55:41,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:55:41,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:55:41,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:55:41,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:55:41,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:55:41,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:55:41,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:55:41,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:55:41,325 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:55:41,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:55:41,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:55:41,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:55:41,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:55:41,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:55:41,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:55:41,328 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:55:41,328 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:55:41,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:55:41,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:55:41,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:55:41,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:55:41,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:55:41,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:55:41,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:41,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:55:41,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:55:41,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:55:41,330 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:55:41,330 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:55:41,331 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:55:41,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:55:41,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:55:41,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:55:41,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:55:41,332 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2021-12-15 12:55:41,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:55:41,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:55:41,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:55:41,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:55:41,746 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:55:41,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-12-15 12:55:41,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3f544eb/d2fe752920fc452988f5bec9c6e8085a/FLAG2290aabbb [2021-12-15 12:55:42,613 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:55:42,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2021-12-15 12:55:42,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3f544eb/d2fe752920fc452988f5bec9c6e8085a/FLAG2290aabbb [2021-12-15 12:55:43,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b3f544eb/d2fe752920fc452988f5bec9c6e8085a [2021-12-15 12:55:43,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:55:43,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:55:43,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:43,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:55:43,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:55:43,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:43" (1/1) ... [2021-12-15 12:55:43,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fce805c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:43, skipping insertion in model container [2021-12-15 12:55:43,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:43" (1/1) ... [2021-12-15 12:55:43,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:55:43,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:55:45,627 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-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-12-15 12:55:45,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:45,774 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:55:45,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:55:46,166 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-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-12-15 12:55:46,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:46,205 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:55:46,585 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-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2021-12-15 12:55:46,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:55:46,691 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:55:46,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46 WrapperNode [2021-12-15 12:55:46,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:55:46,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:46,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:55:46,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:55:46,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:46,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:46,978 INFO L137 Inliner]: procedures = 350, calls = 2627, calls flagged for inlining = 143, calls inlined = 135, statements flattened = 6447 [2021-12-15 12:55:46,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:55:46,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:55:46,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:55:46,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:55:46,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:46,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:47,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:47,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:47,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:47,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:47,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:47,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:55:47,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:55:47,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:55:47,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:55:47,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:46" (1/1) ... [2021-12-15 12:55:47,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:55:47,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:55:47,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:55:47,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:55:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2021-12-15 12:55:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2021-12-15 12:55:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-12-15 12:55:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-12-15 12:55:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2021-12-15 12:55:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2021-12-15 12:55:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:55:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2021-12-15 12:55:47,363 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2021-12-15 12:55:47,363 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-15 12:55:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-15 12:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2021-12-15 12:55:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2021-12-15 12:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:55:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2021-12-15 12:55:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2021-12-15 12:55:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:55:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-15 12:55:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-15 12:55:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2021-12-15 12:55:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2021-12-15 12:55:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2021-12-15 12:55:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2021-12-15 12:55:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2021-12-15 12:55:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2021-12-15 12:55:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-15 12:55:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-15 12:55:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 12:55:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 12:55:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:55:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:55:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2021-12-15 12:55:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2021-12-15 12:55:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:55:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:55:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2021-12-15 12:55:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2021-12-15 12:55:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:55:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:55:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:55:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:55:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:55:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 12:55:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 12:55:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2021-12-15 12:55:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2021-12-15 12:55:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2021-12-15 12:55:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2021-12-15 12:55:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2021-12-15 12:55:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2021-12-15 12:55:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2021-12-15 12:55:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2021-12-15 12:55:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2021-12-15 12:55:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2021-12-15 12:55:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 12:55:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 12:55:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:55:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:55:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 12:55:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 12:55:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2021-12-15 12:55:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2021-12-15 12:55:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2021-12-15 12:55:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2021-12-15 12:55:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:55:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 12:55:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 12:55:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2021-12-15 12:55:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2021-12-15 12:55:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2021-12-15 12:55:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2021-12-15 12:55:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:55:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:55:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:55:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2021-12-15 12:55:47,373 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2021-12-15 12:55:47,373 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2021-12-15 12:55:47,374 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2021-12-15 12:55:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:55:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:55:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:55:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:55:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:55:47,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:55:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2021-12-15 12:55:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2021-12-15 12:55:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2021-12-15 12:55:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2021-12-15 12:55:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:55:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:55:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:55:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2021-12-15 12:55:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2021-12-15 12:55:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:55:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:55:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2021-12-15 12:55:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2021-12-15 12:55:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 12:55:47,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 12:55:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:55:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:55:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-15 12:55:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-15 12:55:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:55:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:55:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2021-12-15 12:55:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2021-12-15 12:55:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-12-15 12:55:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-12-15 12:55:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2021-12-15 12:55:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2021-12-15 12:55:47,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:55:47,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:55:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:55:47,379 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:55:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-15 12:55:47,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-15 12:55:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2021-12-15 12:55:47,379 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2021-12-15 12:55:47,379 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 12:55:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 12:55:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2021-12-15 12:55:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2021-12-15 12:55:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2021-12-15 12:55:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2021-12-15 12:55:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2021-12-15 12:55:47,380 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2021-12-15 12:55:47,380 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2021-12-15 12:55:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2021-12-15 12:55:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-15 12:55:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-15 12:55:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:55:47,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:55:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:55:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2021-12-15 12:55:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2021-12-15 12:55:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:55:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:55:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-12-15 12:55:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-12-15 12:55:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-12-15 12:55:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-12-15 12:55:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2021-12-15 12:55:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2021-12-15 12:55:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2021-12-15 12:55:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2021-12-15 12:55:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2021-12-15 12:55:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2021-12-15 12:55:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2021-12-15 12:55:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2021-12-15 12:55:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:55:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:55:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:55:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:55:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2021-12-15 12:55:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2021-12-15 12:55:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 12:55:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 12:55:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-15 12:55:47,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-15 12:55:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 12:55:47,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 12:55:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2021-12-15 12:55:47,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2021-12-15 12:55:47,385 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-12-15 12:55:47,385 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-12-15 12:55:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:55:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-15 12:55:47,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-15 12:55:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:55:47,386 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:55:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2021-12-15 12:55:47,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2021-12-15 12:55:47,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:55:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2021-12-15 12:55:47,387 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2021-12-15 12:55:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2021-12-15 12:55:47,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2021-12-15 12:55:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2021-12-15 12:55:47,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2021-12-15 12:55:47,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:55:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 12:55:47,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 12:55:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:55:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:55:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:55:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-15 12:55:47,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-15 12:55:47,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:55:47,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 12:55:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:55:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2021-12-15 12:55:47,389 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2021-12-15 12:55:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-15 12:55:47,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-15 12:55:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-15 12:55:47,389 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-15 12:55:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2021-12-15 12:55:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2021-12-15 12:55:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:55:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:55:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 12:55:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 12:55:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2021-12-15 12:55:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2021-12-15 12:55:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:55:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:55:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 12:55:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 12:55:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2021-12-15 12:55:47,391 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2021-12-15 12:55:47,391 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2021-12-15 12:55:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2021-12-15 12:55:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-12-15 12:55:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-12-15 12:55:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2021-12-15 12:55:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2021-12-15 12:55:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-12-15 12:55:47,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-12-15 12:55:47,392 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2021-12-15 12:55:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2021-12-15 12:55:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:55:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:55:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 12:55:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 12:55:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2021-12-15 12:55:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2021-12-15 12:55:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:55:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2021-12-15 12:55:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2021-12-15 12:55:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2021-12-15 12:55:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2021-12-15 12:55:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:55:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:55:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:55:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:55:47,395 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 12:55:47,395 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 12:55:48,202 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:55:48,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:55:49,472 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:55:49,477 INFO L158 Benchmark]: Toolchain (without parser) took 6318.86ms. Allocated memory was 62.9MB in the beginning and 406.8MB in the end (delta: 343.9MB). Free memory was 29.6MB in the beginning and 275.0MB in the end (delta: -245.5MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. [2021-12-15 12:55:49,478 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:55:49,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3533.73ms. Allocated memory was 62.9MB in the beginning and 178.3MB in the end (delta: 115.3MB). Free memory was 29.3MB in the beginning and 114.5MB in the end (delta: -85.2MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2021-12-15 12:55:49,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.97ms. Allocated memory is still 178.3MB. Free memory was 114.5MB in the beginning and 83.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 12:55:49,480 INFO L158 Benchmark]: Boogie Preprocessor took 301.70ms. Allocated memory is still 178.3MB. Free memory was 83.1MB in the beginning and 79.4MB in the end (delta: 3.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-12-15 12:55:49,481 INFO L158 Benchmark]: RCFGBuilder took 2192.99ms. Allocated memory was 178.3MB in the beginning and 406.8MB in the end (delta: 228.6MB). Free memory was 79.4MB in the beginning and 275.0MB in the end (delta: -195.6MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-12-15 12:55:49,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3533.73ms. Allocated memory was 62.9MB in the beginning and 178.3MB in the end (delta: 115.3MB). Free memory was 29.3MB in the beginning and 114.5MB in the end (delta: -85.2MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 285.97ms. Allocated memory is still 178.3MB. Free memory was 114.5MB in the beginning and 83.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 301.70ms. Allocated memory is still 178.3MB. Free memory was 83.1MB in the beginning and 79.4MB in the end (delta: 3.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2192.99ms. Allocated memory was 178.3MB in the beginning and 406.8MB in the end (delta: 228.6MB). Free memory was 79.4MB in the beginning and 275.0MB in the end (delta: -195.6MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:55:49,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable