./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:14:42,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:14:42,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:14:42,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:14:42,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:14:42,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:14:42,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:14:42,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:14:42,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:14:42,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:14:42,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:14:42,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:14:42,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:14:42,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:14:42,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:14:42,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:14:42,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:14:42,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:14:42,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:14:42,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:14:42,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:14:42,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:14:42,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:14:42,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:14:42,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:14:42,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:14:42,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:14:42,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:14:42,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:14:42,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:14:42,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:14:42,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:14:42,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:14:42,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:14:42,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:14:42,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:14:42,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:14:42,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:14:42,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:14:42,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:14:42,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:14:42,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:14:42,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:14:42,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:14:42,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:14:42,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:14:42,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:14:42,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:14:42,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:14:42,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:14:42,510 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:14:42,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:14:42,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:14:42,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:14:42,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:14:42,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:14:42,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:14:42,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:14:42,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:14:42,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:14:42,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:14:42,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:14:42,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:14:42,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:14:42,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:14:42,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:14:42,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:14:42,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:14:42,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:14:42,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:14:42,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:14:42,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:14:42,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:14:42,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b [2021-12-15 13:14:42,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:14:42,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:14:42,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:14:42,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:14:42,762 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:14:42,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-12-15 13:14:42,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d023965/0d79b824699d4d568a689e9e7571f910/FLAG62ea5a36a [2021-12-15 13:14:43,570 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:14:43,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-12-15 13:14:43,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d023965/0d79b824699d4d568a689e9e7571f910/FLAG62ea5a36a [2021-12-15 13:14:43,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d023965/0d79b824699d4d568a689e9e7571f910 [2021-12-15 13:14:43,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:14:43,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:14:43,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:14:43,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:14:43,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:14:43,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:14:43" (1/1) ... [2021-12-15 13:14:43,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361788fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:43, skipping insertion in model container [2021-12-15 13:14:43,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:14:43" (1/1) ... [2021-12-15 13:14:43,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:14:43,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:14:45,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-12-15 13:14:45,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:14:45,698 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:14:45,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-12-15 13:14:45,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:14:46,038 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:14:46,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46 WrapperNode [2021-12-15 13:14:46,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:14:46,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:14:46,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:14:46,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:14:46,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,265 INFO L137 Inliner]: procedures = 244, calls = 1516, calls flagged for inlining = 92, calls inlined = 80, statements flattened = 2942 [2021-12-15 13:14:46,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:14:46,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:14:46,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:14:46,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:14:46,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:14:46,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:14:46,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:14:46,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:14:46,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:46" (1/1) ... [2021-12-15 13:14:46,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:14:46,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:14:46,518 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 13:14:46,539 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 13:14:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 13:14:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 13:14:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2021-12-15 13:14:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2021-12-15 13:14:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:14:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-15 13:14:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-15 13:14:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-15 13:14:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-15 13:14:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2021-12-15 13:14:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2021-12-15 13:14:46,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:14:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:14:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:14:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:14:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:14:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:14:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2021-12-15 13:14:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2021-12-15 13:14:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2021-12-15 13:14:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2021-12-15 13:14:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:14:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:14:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:14:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:14:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2021-12-15 13:14:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2021-12-15 13:14:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2021-12-15 13:14:46,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2021-12-15 13:14:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 13:14:46,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 13:14:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2021-12-15 13:14:46,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2021-12-15 13:14:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2021-12-15 13:14:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2021-12-15 13:14:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2021-12-15 13:14:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2021-12-15 13:14:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:14:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:14:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:14:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:14:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2021-12-15 13:14:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2021-12-15 13:14:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-12-15 13:14:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-12-15 13:14:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2021-12-15 13:14:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2021-12-15 13:14:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:14:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:14:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2021-12-15 13:14:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2021-12-15 13:14:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:14:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:14:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2021-12-15 13:14:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2021-12-15 13:14:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2021-12-15 13:14:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2021-12-15 13:14:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2021-12-15 13:14:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2021-12-15 13:14:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2021-12-15 13:14:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2021-12-15 13:14:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:14:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:14:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:14:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2021-12-15 13:14:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2021-12-15 13:14:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-15 13:14:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-15 13:14:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:14:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2021-12-15 13:14:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2021-12-15 13:14:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-15 13:14:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:14:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:14:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-15 13:14:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-15 13:14:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-15 13:14:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-15 13:14:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:14:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:14:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:14:46,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:14:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2021-12-15 13:14:46,566 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2021-12-15 13:14:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2021-12-15 13:14:46,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2021-12-15 13:14:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:14:46,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:14:46,566 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:14:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:14:46,567 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-15 13:14:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-15 13:14:46,567 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 13:14:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 13:14:46,567 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:14:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:14:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:14:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:14:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:14:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2021-12-15 13:14:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2021-12-15 13:14:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 13:14:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 13:14:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:14:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:14:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:14:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2021-12-15 13:14:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2021-12-15 13:14:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-15 13:14:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-15 13:14:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2021-12-15 13:14:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2021-12-15 13:14:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:14:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2021-12-15 13:14:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2021-12-15 13:14:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2021-12-15 13:14:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2021-12-15 13:14:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:14:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:14:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2021-12-15 13:14:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2021-12-15 13:14:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2021-12-15 13:14:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2021-12-15 13:14:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-15 13:14:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-15 13:14:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:14:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2021-12-15 13:14:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2021-12-15 13:14:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 13:14:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 13:14:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:14:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:14:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-15 13:14:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-15 13:14:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:14:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:14:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-15 13:14:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-15 13:14:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:14:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:14:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:14:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2021-12-15 13:14:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2021-12-15 13:14:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-15 13:14:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-15 13:14:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:14:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2021-12-15 13:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2021-12-15 13:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-15 13:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-15 13:14:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2021-12-15 13:14:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2021-12-15 13:14:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2021-12-15 13:14:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2021-12-15 13:14:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2021-12-15 13:14:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2021-12-15 13:14:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:14:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:14:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:14:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:14:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 13:14:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 13:14:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2021-12-15 13:14:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2021-12-15 13:14:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:14:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:14:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-15 13:14:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-15 13:14:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2021-12-15 13:14:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2021-12-15 13:14:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:14:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:14:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-15 13:14:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-15 13:14:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:14:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:14:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:14:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2021-12-15 13:14:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2021-12-15 13:14:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2021-12-15 13:14:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2021-12-15 13:14:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2021-12-15 13:14:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2021-12-15 13:14:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2021-12-15 13:14:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2021-12-15 13:14:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:14:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:14:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:14:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:14:47,163 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:14:47,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:14:47,308 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:14:47,313 INFO L158 Benchmark]: Toolchain (without parser) took 3459.70ms. Allocated memory was 81.8MB in the beginning and 155.2MB in the end (delta: 73.4MB). Free memory was 44.8MB in the beginning and 73.1MB in the end (delta: -28.3MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2021-12-15 13:14:47,314 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:14:47,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2185.76ms. Allocated memory was 81.8MB in the beginning and 155.2MB in the end (delta: 73.4MB). Free memory was 44.6MB in the beginning and 84.7MB in the end (delta: -40.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-12-15 13:14:47,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 226.40ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 99.2MB in the end (delta: -14.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-12-15 13:14:47,315 INFO L158 Benchmark]: Boogie Preprocessor took 206.89ms. Allocated memory is still 155.2MB. Free memory was 99.2MB in the beginning and 78.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 13:14:47,316 INFO L158 Benchmark]: RCFGBuilder took 833.93ms. Allocated memory is still 155.2MB. Free memory was 78.2MB in the beginning and 73.1MB in the end (delta: 5.1MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2021-12-15 13:14:47,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2185.76ms. Allocated memory was 81.8MB in the beginning and 155.2MB in the end (delta: 73.4MB). Free memory was 44.6MB in the beginning and 84.7MB in the end (delta: -40.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 226.40ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 99.2MB in the end (delta: -14.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 206.89ms. Allocated memory is still 155.2MB. Free memory was 99.2MB in the beginning and 78.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 833.93ms. Allocated memory is still 155.2MB. Free memory was 78.2MB in the beginning and 73.1MB in the end (delta: 5.1MB). Peak memory consumption was 29.8MB. 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 13:14:47,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:14:49,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:14:49,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:14:49,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:14:49,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:14:49,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:14:49,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:14:49,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:14:49,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:14:49,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:14:49,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:14:49,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:14:49,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:14:49,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:14:49,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:14:49,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:14:49,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:14:49,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:14:49,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:14:49,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:14:49,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:14:49,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:14:49,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:14:49,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:14:49,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:14:49,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:14:49,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:14:49,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:14:49,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:14:49,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:14:49,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:14:49,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:14:49,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:14:49,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:14:49,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:14:49,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:14:49,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:14:49,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:14:49,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:14:49,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:14:49,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:14:49,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:14:49,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:14:49,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:14:49,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:14:49,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:14:49,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:14:49,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:14:49,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:14:49,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:14:49,554 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:14:49,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:14:49,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:14:49,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:14:49,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:14:49,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:14:49,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:14:49,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:14:49,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:14:49,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:14:49,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:14:49,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:14:49,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:14:49,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:14:49,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:14:49,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:14:49,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:14:49,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:14:49,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:14:49,559 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:14:49,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:14:49,560 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:14:49,560 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:14:49,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:14:49,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:14:49,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:14:49,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c63ca5a13217ab3c82769d6ebc8e69dd180f3b7d25df235b9ae7098d5fa1543b [2021-12-15 13:14:49,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:14:49,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:14:49,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:14:49,915 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:14:49,916 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:14:49,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-12-15 13:14:49,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf2a9114f/f78ce1f362ff4cad8436ed54ddc4366b/FLAG22cbbd228 [2021-12-15 13:14:50,688 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:14:50,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i [2021-12-15 13:14:50,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf2a9114f/f78ce1f362ff4cad8436ed54ddc4366b/FLAG22cbbd228 [2021-12-15 13:14:50,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf2a9114f/f78ce1f362ff4cad8436ed54ddc4366b [2021-12-15 13:14:50,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:14:50,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:14:50,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:14:50,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:14:50,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:14:50,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:14:50" (1/1) ... [2021-12-15 13:14:50,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe5cb24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:50, skipping insertion in model container [2021-12-15 13:14:50,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:14:50" (1/1) ... [2021-12-15 13:14:50,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:14:50,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:14:52,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-12-15 13:14:52,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:14:52,340 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:14:52,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:14:52,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-12-15 13:14:52,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:14:52,663 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:14:52,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--vfio--vfio.ko-entry_point.cil.out.i[198983,198996] [2021-12-15 13:14:52,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:14:53,013 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:14:53,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53 WrapperNode [2021-12-15 13:14:53,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:14:53,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:14:53,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:14:53,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:14:53,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,241 INFO L137 Inliner]: procedures = 258, calls = 1516, calls flagged for inlining = 92, calls inlined = 80, statements flattened = 2832 [2021-12-15 13:14:53,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:14:53,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:14:53,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:14:53,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:14:53,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:14:53,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:14:53,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:14:53,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:14:53,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:14:53" (1/1) ... [2021-12-15 13:14:53,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:14:53,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:14:53,473 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 13:14:53,482 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 13:14:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 13:14:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 13:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2021-12-15 13:14:53,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2021-12-15 13:14:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-15 13:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-15 13:14:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-15 13:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_compat_ioctl [2021-12-15 13:14:53,507 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_compat_ioctl [2021-12-15 13:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:14:53,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-15 13:14:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-15 13:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-15 13:14:53,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-15 13:14:53,508 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_read [2021-12-15 13:14:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_read [2021-12-15 13:14:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_compat_ioctl [2021-12-15 13:14:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_compat_ioctl [2021-12-15 13:14:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-15 13:14:53,509 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-15 13:14:53,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:14:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:14:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_release [2021-12-15 13:14:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_release [2021-12-15 13:14:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_open [2021-12-15 13:14:53,510 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_open [2021-12-15 13:14:53,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-15 13:14:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-15 13:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get [2021-12-15 13:14:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get [2021-12-15 13:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure __vfio_group_unset_container [2021-12-15 13:14:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __vfio_group_unset_container [2021-12-15 13:14:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_fops_unl_ioctl [2021-12-15 13:14:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_fops_unl_ioctl [2021-12-15 13:14:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:14:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:14:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:14:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:14:53,512 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_compat_ioctl [2021-12-15 13:14:53,512 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_compat_ioctl [2021-12-15 13:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-12-15 13:14:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-12-15 13:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_dev_viable [2021-12-15 13:14:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_dev_viable [2021-12-15 13:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 13:14:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 13:14:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_mmap [2021-12-15 13:14:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_mmap [2021-12-15 13:14:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 13:14:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 13:14:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put [2021-12-15 13:14:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put [2021-12-15 13:14:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_try_dissolve_container [2021-12-15 13:14:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_try_dissolve_container [2021-12-15 13:14:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_unlock_and_free [2021-12-15 13:14:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_unlock_and_free [2021-12-15 13:14:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_release [2021-12-15 13:14:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_release [2021-12-15 13:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-15 13:14:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-15 13:14:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_write [2021-12-15 13:14:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_write [2021-12-15 13:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-15 13:14:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-15 13:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_unl_ioctl [2021-12-15 13:14:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_unl_ioctl [2021-12-15 13:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-15 13:14:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-15 13:14:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-15 13:14:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-15 13:14:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-15 13:14:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:14:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:14:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:14:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-15 13:14:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-15 13:14:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:14:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:14:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:14:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_id [2021-12-15 13:14:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_id [2021-12-15 13:14:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2021-12-15 13:14:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2021-12-15 13:14:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:14:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:14:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:14:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-15 13:14:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-15 13:14:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:14:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:14:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-15 13:14:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-15 13:14:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-15 13:14:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-15 13:14:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 13:14:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 13:14:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 13:14:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 13:14:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure iommu_group_put [2021-12-15 13:14:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure iommu_group_put [2021-12-15 13:14:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 13:14:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 13:14:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-15 13:14:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-15 13:14:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_put [2021-12-15 13:14:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_put [2021-12-15 13:14:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-15 13:14:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-15 13:14:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_LONG [2021-12-15 13:14:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_LONG [2021-12-15 13:14:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put_mutex [2021-12-15 13:14:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put_mutex [2021-12-15 13:14:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_put_external_user [2021-12-15 13:14:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_put_external_user [2021-12-15 13:14:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2021-12-15 13:14:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2021-12-15 13:14:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 13:14:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 13:14:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_read [2021-12-15 13:14:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_read [2021-12-15 13:14:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 13:14:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 13:14:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_get [2021-12-15 13:14:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_get [2021-12-15 13:14:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-15 13:14:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-15 13:14:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:14:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:14:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_unl_ioctl [2021-12-15 13:14:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_unl_ioctl [2021-12-15 13:14:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:14:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:14:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:14:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:14:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-15 13:14:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-15 13:14:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:14:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:14:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-15 13:14:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-15 13:14:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-15 13:14:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-15 13:14:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-15 13:14:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-15 13:14:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:14:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-15 13:14:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-15 13:14:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_mmap [2021-12-15 13:14:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_mmap [2021-12-15 13:14:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-15 13:14:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-15 13:14:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:14:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-15 13:14:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-15 13:14:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:14:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:14:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:14:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:14:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 13:14:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:14:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2021-12-15 13:14:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2021-12-15 13:14:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-15 13:14:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-15 13:14:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_write [2021-12-15 13:14:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_write [2021-12-15 13:14:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_check_extension [2021-12-15 13:14:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_check_extension [2021-12-15 13:14:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_free_group_minor [2021-12-15 13:14:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_free_group_minor [2021-12-15 13:14:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 13:14:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 13:14:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-15 13:14:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-15 13:14:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-15 13:14:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-15 13:14:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_get_device [2021-12-15 13:14:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_get_device [2021-12-15 13:14:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-15 13:14:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-15 13:14:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-15 13:14:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-15 13:14:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_container_put [2021-12-15 13:14:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_container_put [2021-12-15 13:14:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-15 13:14:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-15 13:14:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:14:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:14:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-15 13:14:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_group_viable [2021-12-15 13:14:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_group_viable [2021-12-15 13:14:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_ioctl_set_iommu [2021-12-15 13:14:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_ioctl_set_iommu [2021-12-15 13:14:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_fops_open [2021-12-15 13:14:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_fops_open [2021-12-15 13:14:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure vfio_device_fops_release [2021-12-15 13:14:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure vfio_device_fops_release [2021-12-15 13:14:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:14:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:14:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-15 13:14:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-15 13:14:54,092 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:14:54,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:14:54,291 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 13:14:54,295 INFO L158 Benchmark]: Toolchain (without parser) took 3453.54ms. Allocated memory was 54.5MB in the beginning and 188.7MB in the end (delta: 134.2MB). Free memory was 34.3MB in the beginning and 105.4MB in the end (delta: -71.2MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2021-12-15 13:14:54,295 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:14:54,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2170.97ms. Allocated memory was 54.5MB in the beginning and 115.3MB in the end (delta: 60.8MB). Free memory was 34.0MB in the beginning and 50.5MB in the end (delta: -16.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-12-15 13:14:54,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 226.52ms. Allocated memory was 115.3MB in the beginning and 188.7MB in the end (delta: 73.4MB). Free memory was 50.5MB in the beginning and 127.3MB in the end (delta: -76.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-12-15 13:14:54,297 INFO L158 Benchmark]: Boogie Preprocessor took 194.34ms. Allocated memory is still 188.7MB. Free memory was 127.3MB in the beginning and 105.2MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 13:14:54,297 INFO L158 Benchmark]: RCFGBuilder took 855.61ms. Allocated memory is still 188.7MB. Free memory was 105.2MB in the beginning and 105.4MB in the end (delta: -194.1kB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-12-15 13:14:54,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2170.97ms. Allocated memory was 54.5MB in the beginning and 115.3MB in the end (delta: 60.8MB). Free memory was 34.0MB in the beginning and 50.5MB in the end (delta: -16.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 226.52ms. Allocated memory was 115.3MB in the beginning and 188.7MB in the end (delta: 73.4MB). Free memory was 50.5MB in the beginning and 127.3MB in the end (delta: -76.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.34ms. Allocated memory is still 188.7MB. Free memory was 127.3MB in the beginning and 105.2MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 855.61ms. Allocated memory is still 188.7MB. Free memory was 105.2MB in the beginning and 105.4MB in the end (delta: -194.1kB). Peak memory consumption was 30.4MB. 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 13:14:54,335 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