./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:13:36,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:13:36,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:13:36,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:13:36,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:13:36,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:13:36,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:13:36,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:13:36,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:13:36,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:13:36,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:13:36,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:13:36,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:13:36,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:13:36,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:13:36,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:13:36,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:13:36,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:13:36,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:13:36,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:13:36,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:13:36,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:13:36,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:13:36,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:13:36,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:13:36,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:13:36,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:13:36,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:13:36,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:13:36,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:13:36,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:13:36,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:13:36,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:13:36,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:13:36,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:13:36,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:13:36,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:13:36,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:13:36,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:13:36,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:13:36,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:13:36,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:13:36,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:13:36,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:13:36,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:13:36,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:13:36,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:13:36,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:13:36,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:13:36,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:13:36,351 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:13:36,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:13:36,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:13:36,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:13:36,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:13:36,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:13:36,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:13:36,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:13:36,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:13:36,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:13:36,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:13:36,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:13:36,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:13:36,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:13:36,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:13:36,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:13:36,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:13:36,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:13:36,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:13:36,356 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:13:36,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:13:36,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:13:36,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:13:36,357 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-12-15 13:13:36,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:13:36,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:13:36,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:13:36,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:13:36,607 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:13:36,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-15 13:13:36,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c94caf25/6677904c7d8a4769bdf1414c67d5b970/FLAG36118976b [2021-12-15 13:13:37,490 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:13:37,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-15 13:13:37,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c94caf25/6677904c7d8a4769bdf1414c67d5b970/FLAG36118976b [2021-12-15 13:13:38,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c94caf25/6677904c7d8a4769bdf1414c67d5b970 [2021-12-15 13:13:38,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:13:38,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:13:38,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:13:38,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:13:38,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:13:38,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:13:38" (1/1) ... [2021-12-15 13:13:38,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729d0380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:38, skipping insertion in model container [2021-12-15 13:13:38,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:13:38" (1/1) ... [2021-12-15 13:13:38,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:13:38,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:13:41,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-15 13:13:41,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:13:41,280 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:13:41,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-15 13:13:41,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:13:42,040 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:13:42,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42 WrapperNode [2021-12-15 13:13:42,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:13:42,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:13:42,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:13:42,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:13:42,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,309 INFO L137 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4483 [2021-12-15 13:13:42,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:13:42,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:13:42,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:13:42,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:13:42,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:13:42,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:13:42,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:13:42,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:13:42,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:42" (1/1) ... [2021-12-15 13:13:42,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:13:42,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:13:42,553 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 13:13:42,572 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 13:13:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-15 13:13:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-15 13:13:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-15 13:13:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-12-15 13:13:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-12-15 13:13:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-15 13:13:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-15 13:13:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:13:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:13:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-12-15 13:13:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-12-15 13:13:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:13:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:13:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-12-15 13:13:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-12-15 13:13:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:13:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:13:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-12-15 13:13:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-12-15 13:13:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-12-15 13:13:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-12-15 13:13:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:13:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:13:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-12-15 13:13:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-12-15 13:13:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:13:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:13:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-12-15 13:13:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-12-15 13:13:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-15 13:13:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-15 13:13:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-15 13:13:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-15 13:13:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:13:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:13:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-12-15 13:13:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-12-15 13:13:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:13:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:13:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-12-15 13:13:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-12-15 13:13:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:13:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-15 13:13:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-15 13:13:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:13:42,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:13:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:13:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:13:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:13:42,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:13:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:13:42,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:13:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:13:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-12-15 13:13:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-12-15 13:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:13:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-12-15 13:13:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-12-15 13:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-15 13:13:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-15 13:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-12-15 13:13:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-12-15 13:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-12-15 13:13:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-12-15 13:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-15 13:13:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-15 13:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:13:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-12-15 13:13:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-12-15 13:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-12-15 13:13:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-12-15 13:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-12-15 13:13:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-12-15 13:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:13:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-15 13:13:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-15 13:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-12-15 13:13:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-12-15 13:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:13:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:13:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:13:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:13:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:13:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:13:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:13:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-12-15 13:13:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-12-15 13:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:13:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:13:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-12-15 13:13:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-12-15 13:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:13:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-15 13:13:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-15 13:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-12-15 13:13:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-12-15 13:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 13:13:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 13:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-15 13:13:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-15 13:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:13:42,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-12-15 13:13:42,621 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-12-15 13:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:13:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:13:42,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:13:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:13:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:13:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:13:42,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:13:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-15 13:13:42,628 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-15 13:13:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:13:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-12-15 13:13:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-12-15 13:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-12-15 13:13:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-12-15 13:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:13:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:13:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:13:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:13:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-12-15 13:13:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-12-15 13:13:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:13:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-12-15 13:13:42,630 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-12-15 13:13:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:13:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:13:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-12-15 13:13:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-12-15 13:13:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:13:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:13:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:13:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:13:42,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:13:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:13:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:13:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:13:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:13:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:13:42,632 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:13:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-12-15 13:13:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-12-15 13:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:13:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:13:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:13:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-15 13:13:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-15 13:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-12-15 13:13:42,634 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-12-15 13:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:13:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:13:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:13:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:13:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:13:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:13:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:13:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:13:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:13:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:13:42,636 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 13:13:42,636 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 13:13:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:13:42,637 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-12-15 13:13:42,637 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-12-15 13:13:43,391 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:13:43,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:13:43,543 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:13:43,548 INFO L158 Benchmark]: Toolchain (without parser) took 5522.25ms. Allocated memory was 98.6MB in the beginning and 247.5MB in the end (delta: 148.9MB). Free memory was 51.5MB in the beginning and 137.9MB in the end (delta: -86.4MB). Peak memory consumption was 136.2MB. Max. memory is 16.1GB. [2021-12-15 13:13:43,549 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:13:43,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4011.08ms. Allocated memory was 98.6MB in the beginning and 199.2MB in the end (delta: 100.7MB). Free memory was 51.3MB in the beginning and 62.1MB in the end (delta: -10.8MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2021-12-15 13:13:43,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.07ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 62.1MB in the beginning and 145.3MB in the end (delta: -83.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-12-15 13:13:43,550 INFO L158 Benchmark]: Boogie Preprocessor took 209.60ms. Allocated memory is still 247.5MB. Free memory was 145.3MB in the beginning and 118.0MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:13:43,551 INFO L158 Benchmark]: RCFGBuilder took 1025.02ms. Allocated memory is still 247.5MB. Free memory was 118.0MB in the beginning and 137.9MB in the end (delta: -19.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-12-15 13:13:43,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4011.08ms. Allocated memory was 98.6MB in the beginning and 199.2MB in the end (delta: 100.7MB). Free memory was 51.3MB in the beginning and 62.1MB in the end (delta: -10.8MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 267.07ms. Allocated memory was 199.2MB in the beginning and 247.5MB in the end (delta: 48.2MB). Free memory was 62.1MB in the beginning and 145.3MB in the end (delta: -83.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 209.60ms. Allocated memory is still 247.5MB. Free memory was 145.3MB in the beginning and 118.0MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.02ms. Allocated memory is still 247.5MB. Free memory was 118.0MB in the beginning and 137.9MB in the end (delta: -19.9MB). Peak memory consumption was 54.5MB. 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 13:13:43,591 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:13:45,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:13:45,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:13:45,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:13:45,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:13:45,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:13:45,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:13:45,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:13:45,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:13:45,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:13:45,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:13:45,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:13:45,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:13:45,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:13:45,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:13:45,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:13:45,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:13:45,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:13:45,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:13:45,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:13:45,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:13:45,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:13:45,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:13:45,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:13:45,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:13:45,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:13:45,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:13:45,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:13:45,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:13:45,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:13:45,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:13:45,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:13:45,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:13:45,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:13:45,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:13:45,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:13:45,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:13:45,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:13:45,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:13:45,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:13:45,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:13:45,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:13:45,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:13:45,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:13:45,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:13:45,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:13:45,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:13:45,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:13:45,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:13:45,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:13:45,703 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:13:45,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:13:45,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:13:45,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:13:45,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:13:45,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:13:45,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:13:45,705 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:13:45,705 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:13:45,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:13:45,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:13:45,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:13:45,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:13:45,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:13:45,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:13:45,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:13:45,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:13:45,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:13:45,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:13:45,707 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:13:45,707 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:13:45,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:13:45,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:13:45,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:13:45,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:13:45,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:13:45,709 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2021-12-15 13:13:46,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:13:46,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:13:46,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:13:46,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:13:46,038 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:13:46,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-15 13:13:46,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66387c0eb/7631f7aea7464f18a4063e19d6896ef0/FLAG45c3b269b [2021-12-15 13:13:46,931 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:13:46,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2021-12-15 13:13:46,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66387c0eb/7631f7aea7464f18a4063e19d6896ef0/FLAG45c3b269b [2021-12-15 13:13:47,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66387c0eb/7631f7aea7464f18a4063e19d6896ef0 [2021-12-15 13:13:47,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:13:47,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:13:47,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:13:47,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:13:47,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:13:47,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:13:47" (1/1) ... [2021-12-15 13:13:47,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cf9643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:47, skipping insertion in model container [2021-12-15 13:13:47,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:13:47" (1/1) ... [2021-12-15 13:13:47,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:13:47,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:13:51,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-15 13:13:51,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:13:51,579 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:13:51,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:13:52,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-15 13:13:52,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:13:52,063 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:13:52,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2021-12-15 13:13:52,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:13:52,851 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:13:52,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52 WrapperNode [2021-12-15 13:13:52,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:13:52,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:13:52,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:13:52,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:13:52,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:52,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,099 INFO L137 Inliner]: procedures = 440, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4357 [2021-12-15 13:13:53,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:13:53,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:13:53,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:13:53,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:13:53,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:13:53,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:13:53,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:13:53,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:13:53,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:52" (1/1) ... [2021-12-15 13:13:53,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:13:53,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:13:53,440 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 13:13:53,463 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 13:13:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-15 13:13:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-15 13:13:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-15 13:13:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2021-12-15 13:13:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2021-12-15 13:13:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-15 13:13:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-15 13:13:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:13:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:13:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2021-12-15 13:13:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2021-12-15 13:13:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-15 13:13:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-15 13:13:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2021-12-15 13:13:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2021-12-15 13:13:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:13:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:13:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2021-12-15 13:13:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2021-12-15 13:13:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2021-12-15 13:13:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2021-12-15 13:13:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:13:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:13:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2021-12-15 13:13:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2021-12-15 13:13:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:13:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:13:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2021-12-15 13:13:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2021-12-15 13:13:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-15 13:13:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-15 13:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-15 13:13:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-15 13:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:13:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:13:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2021-12-15 13:13:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2021-12-15 13:13:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:13:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:13:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2021-12-15 13:13:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2021-12-15 13:13:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:13:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:13:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:13:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:13:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-15 13:13:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-15 13:13:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 13:13:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 13:13:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:13:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:13:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-15 13:13:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-15 13:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-15 13:13:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-15 13:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:13:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:13:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-12-15 13:13:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-12-15 13:13:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:13:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:13:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2021-12-15 13:13:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2021-12-15 13:13:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-15 13:13:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-15 13:13:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2021-12-15 13:13:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2021-12-15 13:13:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2021-12-15 13:13:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2021-12-15 13:13:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-15 13:13:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-15 13:13:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:13:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:13:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2021-12-15 13:13:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2021-12-15 13:13:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:13:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2021-12-15 13:13:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2021-12-15 13:13:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:13:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:13:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:13:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2021-12-15 13:13:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2021-12-15 13:13:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:13:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-15 13:13:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-15 13:13:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-15 13:13:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-15 13:13:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:13:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2021-12-15 13:13:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2021-12-15 13:13:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 13:13:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 13:13:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:13:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:13:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:13:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:13:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:13:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:13:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:13:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:13:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:13:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:13:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:13:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:13:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:13:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2021-12-15 13:13:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2021-12-15 13:13:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:13:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:13:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:13:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:13:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2021-12-15 13:13:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2021-12-15 13:13:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:13:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:13:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-15 13:13:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2021-12-15 13:13:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2021-12-15 13:13:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2021-12-15 13:13:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 13:13:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 13:13:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-15 13:13:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-15 13:13:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-15 13:13:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-15 13:13:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2021-12-15 13:13:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2021-12-15 13:13:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-15 13:13:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-15 13:13:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:13:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:13:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:13:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:13:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:13:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:13:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-15 13:13:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-15 13:13:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-15 13:13:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-15 13:13:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2021-12-15 13:13:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2021-12-15 13:13:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2021-12-15 13:13:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2021-12-15 13:13:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:13:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:13:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:13:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:13:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:13:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2021-12-15 13:13:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2021-12-15 13:13:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:13:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2021-12-15 13:13:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2021-12-15 13:13:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-15 13:13:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-15 13:13:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2021-12-15 13:13:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2021-12-15 13:13:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:13:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:13:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:13:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:13:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:13:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:13:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:13:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:13:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:13:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:13:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:13:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:13:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:13:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-15 13:13:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-15 13:13:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:13:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:13:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2021-12-15 13:13:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2021-12-15 13:13:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:13:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:13:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:13:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:13:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:13:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:13:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:13:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:13:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:13:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:13:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-15 13:13:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-15 13:13:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2021-12-15 13:13:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2021-12-15 13:13:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:13:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:13:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:13:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:13:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-15 13:13:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-15 13:13:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 13:13:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 13:13:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:13:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:13:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-15 13:13:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-15 13:13:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2021-12-15 13:13:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2021-12-15 13:13:54,186 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:13:54,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:13:54,669 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:13:54,673 INFO L158 Benchmark]: Toolchain (without parser) took 7218.57ms. Allocated memory was 56.6MB in the beginning and 331.4MB in the end (delta: 274.7MB). Free memory was 27.6MB in the beginning and 165.0MB in the end (delta: -137.4MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. [2021-12-15 13:13:54,674 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:13:54,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5393.19ms. Allocated memory was 56.6MB in the beginning and 243.3MB in the end (delta: 186.6MB). Free memory was 27.4MB in the beginning and 116.1MB in the end (delta: -88.7MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. [2021-12-15 13:13:54,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.51ms. Allocated memory is still 243.3MB. Free memory was 116.1MB in the beginning and 89.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 13:13:54,675 INFO L158 Benchmark]: Boogie Preprocessor took 301.22ms. Allocated memory was 243.3MB in the beginning and 331.4MB in the end (delta: 88.1MB). Free memory was 89.9MB in the beginning and 212.2MB in the end (delta: -122.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-12-15 13:13:54,679 INFO L158 Benchmark]: RCFGBuilder took 1268.77ms. Allocated memory is still 331.4MB. Free memory was 212.2MB in the beginning and 165.0MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-15 13:13:54,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5393.19ms. Allocated memory was 56.6MB in the beginning and 243.3MB in the end (delta: 186.6MB). Free memory was 27.4MB in the beginning and 116.1MB in the end (delta: -88.7MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 246.51ms. Allocated memory is still 243.3MB. Free memory was 116.1MB in the beginning and 89.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 301.22ms. Allocated memory was 243.3MB in the beginning and 331.4MB in the end (delta: 88.1MB). Free memory was 89.9MB in the beginning and 212.2MB in the end (delta: -122.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1268.77ms. Allocated memory is still 331.4MB. Free memory was 212.2MB in the beginning and 165.0MB in the end (delta: 47.2MB). Peak memory consumption was 48.2MB. 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 13:13:54,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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