./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.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 58940dcd8ad1055fc723858f5e29e2ad0f22c7008fcdb0c57327e3ec73c7c9cb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:38:25,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:38:25,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:38:25,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:38:25,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:38:25,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:38:25,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:38:25,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:38:25,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:38:25,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:38:25,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:38:25,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:38:25,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:38:25,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:38:25,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:38:25,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:38:25,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:38:25,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:38:25,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:38:25,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:38:25,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:38:25,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:38:25,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:38:25,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:38:25,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:38:25,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:38:25,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:38:25,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:38:25,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:38:25,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:38:25,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:38:25,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:38:25,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:38:25,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:38:25,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:38:25,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:38:25,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:38:25,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:38:25,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:38:25,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:38:25,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:38:25,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:38:25,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:38:25,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:38:25,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:38:25,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:38:25,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:38:25,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:38:25,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:38:25,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:38:25,434 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:38:25,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:38:25,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:38:25,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:38:25,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:38:25,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:38:25,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:38:25,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:38:25,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:38:25,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:38:25,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:38:25,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:38:25,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:38:25,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:25,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:38:25,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:38:25,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:38:25,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:38:25,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:38:25,437 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:38:25,437 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:38:25,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:38:25,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:38:25,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58940dcd8ad1055fc723858f5e29e2ad0f22c7008fcdb0c57327e3ec73c7c9cb [2021-12-15 13:38:25,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:38:25,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:38:25,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:38:25,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:38:25,640 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:38:25,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-15 13:38:25,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabda9e9e/3e2feb9e79a5427ea2cc28b5fc19aa12/FLAGc8e2c746a [2021-12-15 13:38:26,372 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:38:26,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-15 13:38:26,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabda9e9e/3e2feb9e79a5427ea2cc28b5fc19aa12/FLAGc8e2c746a [2021-12-15 13:38:26,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fabda9e9e/3e2feb9e79a5427ea2cc28b5fc19aa12 [2021-12-15 13:38:26,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:38:26,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:38:26,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:26,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:38:26,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:38:26,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:26" (1/1) ... [2021-12-15 13:38:26,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@948d37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:26, skipping insertion in model container [2021-12-15 13:38:26,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:26" (1/1) ... [2021-12-15 13:38:26,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:38:26,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:38:31,100 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555749,555762] [2021-12-15 13:38:31,102 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555894,555907] [2021-12-15 13:38:31,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:31,200 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:38:31,569 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555749,555762] [2021-12-15 13:38:31,570 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555894,555907] [2021-12-15 13:38:31,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:31,773 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:38:31,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31 WrapperNode [2021-12-15 13:38:31,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:31,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:31,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:38:31,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:38:31,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:31,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,166 INFO L137 Inliner]: procedures = 701, calls = 4328, calls flagged for inlining = 357, calls inlined = 292, statements flattened = 8700 [2021-12-15 13:38:32,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:32,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:38:32,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:38:32,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:38:32,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:38:32,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:38:32,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:38:32,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:38:32,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:31" (1/1) ... [2021-12-15 13:38:32,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:32,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:38:32,452 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 13:38:32,470 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 13:38:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-12-15 13:38:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-12-15 13:38:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-12-15 13:38:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-12-15 13:38:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-12-15 13:38:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-12-15 13:38:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:38:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:38:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-15 13:38:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-15 13:38:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:38:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:38:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-12-15 13:38:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-12-15 13:38:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:38:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:38:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 13:38:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 13:38:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-15 13:38:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-15 13:38:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-15 13:38:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-15 13:38:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:38:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:38:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:38:32,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:38:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-15 13:38:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-15 13:38:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-12-15 13:38:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-12-15 13:38:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-15 13:38:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-15 13:38:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-15 13:38:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-15 13:38:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-12-15 13:38:32,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-12-15 13:38:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-15 13:38:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-15 13:38:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:38:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:38:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-15 13:38:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-15 13:38:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:38:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:38:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:38:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:38:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:38:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:38:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:38:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-12-15 13:38:32,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-12-15 13:38:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-15 13:38:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-15 13:38:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:38:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:38:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-15 13:38:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-15 13:38:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:38:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:38:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-15 13:38:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-15 13:38:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:38:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-15 13:38:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-15 13:38:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:38:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:38:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:38:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:38:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:38:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-12-15 13:38:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-12-15 13:38:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:38:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-12-15 13:38:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-12-15 13:38:32,558 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:38:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-15 13:38:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-12-15 13:38:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-15 13:38:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-15 13:38:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-12-15 13:38:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-12-15 13:38:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-15 13:38:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-15 13:38:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:38:32,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:38:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:38:32,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:38:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:38:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-15 13:38:32,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_106 [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_106 [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-15 13:38:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:38:32,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:38:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-12-15 13:38:32,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-12-15 13:38:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-12-15 13:38:32,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-12-15 13:38:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-15 13:38:32,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-15 13:38:32,570 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-15 13:38:32,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-15 13:38:32,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:38:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:38:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:38:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:38:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-12-15 13:38:32,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-12-15 13:38:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-12-15 13:38:32,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-12-15 13:38:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:38:32,574 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:38:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-12-15 13:38:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-12-15 13:38:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:38:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-15 13:38:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-15 13:38:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:38:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:38:32,578 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-12-15 13:38:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-12-15 13:38:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-15 13:38:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-15 13:38:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:38:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:38:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-15 13:38:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-15 13:38:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-15 13:38:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-15 13:38:32,579 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-12-15 13:38:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-12-15 13:38:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:38:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:38:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-12-15 13:38:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-12-15 13:38:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-15 13:38:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-15 13:38:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-12-15 13:38:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-12-15 13:38:32,580 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-15 13:38:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-15 13:38:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-12-15 13:38:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-12-15 13:38:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-12-15 13:38:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-12-15 13:38:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-12-15 13:38:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-12-15 13:38:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:38:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:38:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-15 13:38:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-15 13:38:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-15 13:38:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-15 13:38:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-12-15 13:38:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-12-15 13:38:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-15 13:38:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-15 13:38:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-15 13:38:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-15 13:38:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:38:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:38:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-15 13:38:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-15 13:38:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-15 13:38:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-15 13:38:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:38:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-12-15 13:38:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-12-15 13:38:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-15 13:38:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-15 13:38:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:38:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:38:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-12-15 13:38:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-12-15 13:38:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-15 13:38:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-15 13:38:33,429 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:38:33,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:38:33,528 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:38:33,539 INFO L158 Benchmark]: Toolchain (without parser) took 6803.97ms. Allocated memory was 98.6MB in the beginning and 260.0MB in the end (delta: 161.5MB). Free memory was 46.4MB in the beginning and 76.3MB in the end (delta: -29.9MB). Peak memory consumption was 148.0MB. Max. memory is 16.1GB. [2021-12-15 13:38:33,548 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:38:33,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5042.30ms. Allocated memory was 98.6MB in the beginning and 260.0MB in the end (delta: 161.5MB). Free memory was 46.4MB in the beginning and 129.7MB in the end (delta: -83.3MB). Peak memory consumption was 123.9MB. Max. memory is 16.1GB. [2021-12-15 13:38:33,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 392.39ms. Allocated memory is still 260.0MB. Free memory was 129.7MB in the beginning and 139.3MB in the end (delta: -9.6MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-12-15 13:38:33,549 INFO L158 Benchmark]: Boogie Preprocessor took 260.37ms. Allocated memory is still 260.0MB. Free memory was 139.3MB in the beginning and 84.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-12-15 13:38:33,549 INFO L158 Benchmark]: RCFGBuilder took 1104.15ms. Allocated memory is still 260.0MB. Free memory was 84.8MB in the beginning and 76.3MB in the end (delta: 8.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-12-15 13:38:33,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5042.30ms. Allocated memory was 98.6MB in the beginning and 260.0MB in the end (delta: 161.5MB). Free memory was 46.4MB in the beginning and 129.7MB in the end (delta: -83.3MB). Peak memory consumption was 123.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 392.39ms. Allocated memory is still 260.0MB. Free memory was 129.7MB in the beginning and 139.3MB in the end (delta: -9.6MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 260.37ms. Allocated memory is still 260.0MB. Free memory was 139.3MB in the beginning and 84.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1104.15ms. Allocated memory is still 260.0MB. Free memory was 84.8MB in the beginning and 76.3MB in the end (delta: 8.5MB). Peak memory consumption was 25.3MB. 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 13:38:33,598 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.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 58940dcd8ad1055fc723858f5e29e2ad0f22c7008fcdb0c57327e3ec73c7c9cb --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:38:35,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:38:35,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:38:35,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:38:35,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:38:35,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:38:35,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:38:35,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:38:35,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:38:35,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:38:35,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:38:35,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:38:35,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:38:35,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:38:35,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:38:35,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:38:35,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:38:35,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:38:35,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:38:35,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:38:35,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:38:35,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:38:35,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:38:35,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:38:35,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:38:35,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:38:35,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:38:35,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:38:35,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:38:35,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:38:35,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:38:35,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:38:35,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:38:35,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:38:35,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:38:35,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:38:35,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:38:35,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:38:35,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:38:35,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:38:35,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:38:35,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:38:35,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:38:35,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:38:35,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:38:35,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:38:35,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:38:35,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:38:35,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:38:35,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:38:35,469 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:38:35,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:38:35,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:38:35,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:38:35,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:38:35,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:38:35,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:38:35,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:38:35,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:35,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:38:35,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:38:35,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:38:35,472 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:38:35,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:38:35,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:38:35,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:38:35,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:38:35,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:38:35,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:38:35,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58940dcd8ad1055fc723858f5e29e2ad0f22c7008fcdb0c57327e3ec73c7c9cb [2021-12-15 13:38:35,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:38:35,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:38:35,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:38:35,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:38:35,775 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:38:35,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-15 13:38:35,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe01e794/2c9fc247baac47f9bf78b19d0067bf3d/FLAG1ea0c027b [2021-12-15 13:38:36,624 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:38:36,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-15 13:38:36,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe01e794/2c9fc247baac47f9bf78b19d0067bf3d/FLAG1ea0c027b [2021-12-15 13:38:36,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe01e794/2c9fc247baac47f9bf78b19d0067bf3d [2021-12-15 13:38:36,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:38:36,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:38:36,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:36,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:38:36,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:38:36,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:36" (1/1) ... [2021-12-15 13:38:36,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74eebe38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:36, skipping insertion in model container [2021-12-15 13:38:36,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:36" (1/1) ... [2021-12-15 13:38:36,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:38:37,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:38:41,346 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555749,555762] [2021-12-15 13:38:41,349 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555894,555907] [2021-12-15 13:38:41,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:41,446 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:38:41,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:38:41,891 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555749,555762] [2021-12-15 13:38:41,891 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555894,555907] [2021-12-15 13:38:41,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:41,926 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:38:42,291 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555749,555762] [2021-12-15 13:38:42,291 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[555894,555907] [2021-12-15 13:38:42,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:38:42,458 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:38:42,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42 WrapperNode [2021-12-15 13:38:42,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:38:42,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:42,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:38:42,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:38:42,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,766 INFO L137 Inliner]: procedures = 715, calls = 4328, calls flagged for inlining = 357, calls inlined = 292, statements flattened = 8439 [2021-12-15 13:38:42,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:38:42,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:38:42,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:38:42,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:38:42,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:42,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:38:42,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:38:42,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:38:42,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:38:42,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:42" (1/1) ... [2021-12-15 13:38:43,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:38:43,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:38:43,035 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 13:38:43,043 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 13:38:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-12-15 13:38:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-12-15 13:38:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-12-15 13:38:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-12-15 13:38:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-12-15 13:38:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-12-15 13:38:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:38:43,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:38:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-15 13:38:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-15 13:38:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:38:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:38:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-12-15 13:38:43,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-12-15 13:38:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:38:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:38:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-15 13:38:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-15 13:38:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-15 13:38:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-15 13:38:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-15 13:38:43,065 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-15 13:38:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-15 13:38:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-15 13:38:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:38:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:38:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-15 13:38:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-15 13:38:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-12-15 13:38:43,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-12-15 13:38:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-12-15 13:38:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-12-15 13:38:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-15 13:38:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-15 13:38:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-15 13:38:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-15 13:38:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-12-15 13:38:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-12-15 13:38:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-15 13:38:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-15 13:38:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-15 13:38:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-15 13:38:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-15 13:38:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-15 13:38:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:38:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:38:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:38:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:38:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:38:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-15 13:38:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-15 13:38:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-12-15 13:38:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-12-15 13:38:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:38:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:38:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:38:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-15 13:38:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-15 13:38:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 13:38:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 13:38:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-15 13:38:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-15 13:38:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:38:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:38:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-15 13:38:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-15 13:38:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-15 13:38:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-15 13:38:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-15 13:38:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-15 13:38:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-15 13:38:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-15 13:38:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-12-15 13:38:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-12-15 13:38:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-15 13:38:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-15 13:38:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-12-15 13:38:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-12-15 13:38:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-15 13:38:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-15 13:38:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-15 13:38:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-15 13:38:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:38:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:38:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-15 13:38:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-15 13:38:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-15 13:38:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-15 13:38:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-15 13:38:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-15 13:38:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-15 13:38:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-15 13:38:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-15 13:38:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-15 13:38:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-15 13:38:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-15 13:38:43,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-15 13:38:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-12-15 13:38:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-12-15 13:38:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-15 13:38:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-15 13:38:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-12-15 13:38:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-12-15 13:38:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-15 13:38:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-15 13:38:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-15 13:38:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-15 13:38:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:38:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-12-15 13:38:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-12-15 13:38:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-15 13:38:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-15 13:38:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-15 13:38:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:38:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-12-15 13:38:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-15 13:38:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-15 13:38:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-15 13:38:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 13:38:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 13:38:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-12-15 13:38:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-12-15 13:38:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-15 13:38:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-15 13:38:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-15 13:38:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-15 13:38:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-15 13:38:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-15 13:38:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-15 13:38:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-15 13:38:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 13:38:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 13:38:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:38:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-15 13:38:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-15 13:38:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:38:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-15 13:38:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-15 13:38:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-15 13:38:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-15 13:38:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_106 [2021-12-15 13:38:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_106 [2021-12-15 13:38:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:38:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:38:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:38:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:38:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-12-15 13:38:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-12-15 13:38:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:38:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-15 13:38:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-15 13:38:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-12-15 13:38:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-12-15 13:38:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 13:38:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 13:38:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-15 13:38:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-15 13:38:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-15 13:38:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-15 13:38:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-15 13:38:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-15 13:38:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-15 13:38:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-15 13:38:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-12-15 13:38:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-12-15 13:38:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-12-15 13:38:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-12-15 13:38:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-15 13:38:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-15 13:38:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-15 13:38:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-15 13:38:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 13:38:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 13:38:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-15 13:38:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-15 13:38:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-12-15 13:38:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-12-15 13:38:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-12-15 13:38:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-12-15 13:38:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 13:38:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-12-15 13:38:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-15 13:38:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-15 13:38:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-12-15 13:38:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-12-15 13:38:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-15 13:38:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-15 13:38:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:38:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:38:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:38:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:38:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:38:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:38:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-12-15 13:38:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-12-15 13:38:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-15 13:38:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-15 13:38:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-15 13:38:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-15 13:38:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-15 13:38:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-15 13:38:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-12-15 13:38:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-12-15 13:38:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-15 13:38:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-15 13:38:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-12-15 13:38:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-12-15 13:38:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-15 13:38:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-15 13:38:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-12-15 13:38:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-12-15 13:38:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-15 13:38:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-15 13:38:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-12-15 13:38:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-12-15 13:38:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-12-15 13:38:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-12-15 13:38:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-12-15 13:38:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-12-15 13:38:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-15 13:38:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-15 13:38:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-15 13:38:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-15 13:38:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-12-15 13:38:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-12-15 13:38:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-15 13:38:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-15 13:38:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-15 13:38:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-15 13:38:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:38:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:38:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-15 13:38:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-15 13:38:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-15 13:38:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-15 13:38:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-12-15 13:38:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-12-15 13:38:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-15 13:38:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-15 13:38:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 13:38:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 13:38:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-12-15 13:38:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-12-15 13:38:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-15 13:38:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-15 13:38:43,910 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:38:43,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:38:44,237 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:38:44,239 INFO L158 Benchmark]: Toolchain (without parser) took 7380.61ms. Allocated memory was 58.7MB in the beginning and 402.7MB in the end (delta: 343.9MB). Free memory was 28.0MB in the beginning and 215.5MB in the end (delta: -187.5MB). Peak memory consumption was 216.2MB. Max. memory is 16.1GB. [2021-12-15 13:38:44,239 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:38:44,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5598.80ms. Allocated memory was 58.7MB in the beginning and 402.7MB in the end (delta: 343.9MB). Free memory was 27.8MB in the beginning and 302.5MB in the end (delta: -274.7MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. [2021-12-15 13:38:44,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 307.93ms. Allocated memory is still 402.7MB. Free memory was 302.5MB in the beginning and 254.3MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-15 13:38:44,240 INFO L158 Benchmark]: Boogie Preprocessor took 228.12ms. Allocated memory is still 402.7MB. Free memory was 254.3MB in the beginning and 197.2MB in the end (delta: 57.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-12-15 13:38:44,241 INFO L158 Benchmark]: RCFGBuilder took 1241.58ms. Allocated memory is still 402.7MB. Free memory was 197.2MB in the beginning and 215.5MB in the end (delta: -18.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-12-15 13:38:44,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5598.80ms. Allocated memory was 58.7MB in the beginning and 402.7MB in the end (delta: 343.9MB). Free memory was 27.8MB in the beginning and 302.5MB in the end (delta: -274.7MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 307.93ms. Allocated memory is still 402.7MB. Free memory was 302.5MB in the beginning and 254.3MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.12ms. Allocated memory is still 402.7MB. Free memory was 254.3MB in the beginning and 197.2MB in the end (delta: 57.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1241.58ms. Allocated memory is still 402.7MB. Free memory was 197.2MB in the beginning and 215.5MB in the end (delta: -18.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 13:38:44,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable