./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:04,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:04,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:04,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:04,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:04,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:04,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:04,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:04,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:04,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:04,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:04,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:04,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:04,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:04,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:04,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:04,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:04,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:04,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:04,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:04,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:04,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:04,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:04,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:04,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:04,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:04,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:04,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:04,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:04,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:04,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:04,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:04,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:04,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:04,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:04,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:04,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:04,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:04,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:04,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:04,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:04,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:03:04,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:04,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:04,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:04,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:04,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:04,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:04,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:04,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:04,486 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:04,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:04,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:03:04,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:04,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:04,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:04,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:04,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:04,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:04,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:04,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:04,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:04,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:04,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:04,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:04,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:04,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:04,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:03:04,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:03:04,490 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:04,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:04,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:04,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:04,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2021-12-15 13:03:04,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:04,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:04,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:04,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:04,702 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:04,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-12-15 13:03:04,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0ffee1a/5eda2a28bf494aadb7c3730a7e7219ba/FLAGd66fceb20 [2021-12-15 13:03:05,274 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:05,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-12-15 13:03:05,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0ffee1a/5eda2a28bf494aadb7c3730a7e7219ba/FLAGd66fceb20 [2021-12-15 13:03:05,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0ffee1a/5eda2a28bf494aadb7c3730a7e7219ba [2021-12-15 13:03:05,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:05,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:05,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:05,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:05,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:05,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:05" (1/1) ... [2021-12-15 13:03:05,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1008147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:05, skipping insertion in model container [2021-12-15 13:03:05,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:05" (1/1) ... [2021-12-15 13:03:05,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:05,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:06,578 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-12-15 13:03:06,649 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-15 13:03:06,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:06,672 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:03:06,945 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-12-15 13:03:06,961 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-15 13:03:06,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:07,032 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:03:07,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07 WrapperNode [2021-12-15 13:03:07,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:07,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:07,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:03:07,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:03:07,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,154 INFO L137 Inliner]: procedures = 259, calls = 1650, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1369 [2021-12-15 13:03:07,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:07,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:03:07,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:03:07,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:03:07,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:03:07,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:03:07,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:03:07,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:03:07,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (1/1) ... [2021-12-15 13:03:07,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:07,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:03:07,298 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 13:03:07,311 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 13:03:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2021-12-15 13:03:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2021-12-15 13:03:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:03:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:03:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2021-12-15 13:03:07,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2021-12-15 13:03:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:03:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2021-12-15 13:03:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2021-12-15 13:03:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:03:07,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:03:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:03:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:03:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:03:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:03:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:03:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:03:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:03:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:03:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:03:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:03:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:03:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-12-15 13:03:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-12-15 13:03:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:03:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:03:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:03:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:03:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:03:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2021-12-15 13:03:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2021-12-15 13:03:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:03:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:03:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2021-12-15 13:03:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2021-12-15 13:03:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 13:03:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2021-12-15 13:03:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2021-12-15 13:03:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 13:03:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 13:03:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:03:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:03:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 13:03:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 13:03:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2021-12-15 13:03:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2021-12-15 13:03:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 13:03:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:03:07,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:03:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:03:07,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:03:07,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:03:07,338 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2021-12-15 13:03:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2021-12-15 13:03:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:03:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:03:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:03:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 13:03:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-15 13:03:07,340 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-15 13:03:07,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 13:03:07,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:03:07,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:03:07,649 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:03:07,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:03:08,527 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:03:08,533 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:03:08,533 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:03:08,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:08 BoogieIcfgContainer [2021-12-15 13:03:08,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:03:08,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:03:08,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:03:08,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:03:08,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:05" (1/3) ... [2021-12-15 13:03:08,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650a830e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:08, skipping insertion in model container [2021-12-15 13:03:08,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:07" (2/3) ... [2021-12-15 13:03:08,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650a830e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:08, skipping insertion in model container [2021-12-15 13:03:08,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:08" (3/3) ... [2021-12-15 13:03:08,546 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-12-15 13:03:08,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:03:08,551 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:03:08,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:03:08,607 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:03:08,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:03:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 13:03:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-15 13:03:08,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:03:08,634 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:03:08,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:03:08,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:03:08,638 INFO L85 PathProgramCache]: Analyzing trace with hash 273593741, now seen corresponding path program 1 times [2021-12-15 13:03:08,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 13:03:08,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102827442] [2021-12-15 13:03:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:03:08,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 13:03:08,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 13:03:08,707 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction 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.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 13:03:08,711 INFO L158 Benchmark]: Toolchain (without parser) took 3202.14ms. Allocated memory was 98.6MB in the beginning and 180.4MB in the end (delta: 81.8MB). Free memory was 60.9MB in the beginning and 97.4MB in the end (delta: -36.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:08,711 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:03:08,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1523.84ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 72.2MB in the end (delta: -11.5MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2021-12-15 13:03:08,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.64ms. Allocated memory is still 125.8MB. Free memory was 72.2MB in the beginning and 62.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:03:08,712 INFO L158 Benchmark]: Boogie Preprocessor took 103.69ms. Allocated memory is still 125.8MB. Free memory was 62.6MB in the beginning and 54.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:03:08,713 INFO L158 Benchmark]: RCFGBuilder took 1272.92ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 54.2MB in the beginning and 112.1MB in the end (delta: -57.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-12-15 13:03:08,713 INFO L158 Benchmark]: TraceAbstraction took 169.19ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 13:03:08,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1523.84ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 72.2MB in the end (delta: -11.5MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.64ms. Allocated memory is still 125.8MB. Free memory was 72.2MB in the beginning and 62.6MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.69ms. Allocated memory is still 125.8MB. Free memory was 62.6MB in the beginning and 54.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1272.92ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 54.2MB in the beginning and 112.1MB in the end (delta: -57.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * TraceAbstraction took 169.19ms. Allocated memory is still 180.4MB. Free memory was 112.1MB in the beginning and 97.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 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 13:03:08,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:03:10,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:03:10,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:03:10,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:03:10,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:03:10,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:03:10,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:03:10,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:03:10,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:03:10,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:03:10,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:03:10,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:03:10,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:03:10,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:03:10,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:03:10,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:03:10,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:03:10,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:03:10,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:03:10,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:03:10,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:03:10,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:03:10,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:03:10,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:03:10,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:03:10,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:03:10,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:03:10,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:03:10,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:03:10,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:03:10,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:03:10,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:03:10,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:03:10,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:03:10,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:03:10,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:03:10,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:03:10,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:03:10,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:03:10,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:03:10,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:03:10,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:03:10,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:03:10,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:03:10,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:03:10,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:03:10,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:03:10,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:03:10,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:03:10,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:03:10,542 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:03:10,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:03:10,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:03:10,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:03:10,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:03:10,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:03:10,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:03:10,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:03:10,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:03:10,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:03:10,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:03:10,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:03:10,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:03:10,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:03:10,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:03:10,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:10,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:03:10,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:03:10,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:03:10,555 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:03:10,555 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:03:10,555 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:03:10,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:03:10,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:03:10,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:03:10,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:03:10,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2021-12-15 13:03:10,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:03:10,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:03:10,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:03:10,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:03:10,910 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:03:10,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-12-15 13:03:10,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bb683f8/378eea6568184a0c9e02bc891cd202ad/FLAG7b914a4f3 [2021-12-15 13:03:11,692 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:03:11,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-12-15 13:03:11,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bb683f8/378eea6568184a0c9e02bc891cd202ad/FLAG7b914a4f3 [2021-12-15 13:03:11,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bb683f8/378eea6568184a0c9e02bc891cd202ad [2021-12-15 13:03:11,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:03:11,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:03:11,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:11,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:03:11,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:03:11,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:11" (1/1) ... [2021-12-15 13:03:11,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d8b5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:11, skipping insertion in model container [2021-12-15 13:03:11,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:03:11" (1/1) ... [2021-12-15 13:03:11,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:03:12,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:13,148 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-12-15 13:03:13,231 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-15 13:03:13,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:13,280 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 13:03:13,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:03:13,498 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-12-15 13:03:13,512 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-15 13:03:13,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:13,528 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 13:03:13,782 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2021-12-15 13:03:13,790 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-15 13:03:13,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 13:03:13,873 INFO L208 MainTranslator]: Completed translation [2021-12-15 13:03:13,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13 WrapperNode [2021-12-15 13:03:13,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:03:13,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:13,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 13:03:13,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 13:03:13,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:13,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,009 INFO L137 Inliner]: procedures = 274, calls = 1650, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1331 [2021-12-15 13:03:14,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 13:03:14,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 13:03:14,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 13:03:14,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 13:03:14,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 13:03:14,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 13:03:14,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 13:03:14,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 13:03:14,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (1/1) ... [2021-12-15 13:03:14,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:03:14,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 13:03:14,157 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 13:03:14,175 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 13:03:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2021-12-15 13:03:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2021-12-15 13:03:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 13:03:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 13:03:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 13:03:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 13:03:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 13:03:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 13:03:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2021-12-15 13:03:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2021-12-15 13:03:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 13:03:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 13:03:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2021-12-15 13:03:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2021-12-15 13:03:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 13:03:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 13:03:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 13:03:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 13:03:14,190 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-15 13:03:14,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-15 13:03:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 13:03:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 13:03:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 13:03:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 13:03:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 13:03:14,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 13:03:14,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 13:03:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 13:03:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 13:03:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 13:03:14,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 13:03:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-12-15 13:03:14,193 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-12-15 13:03:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 13:03:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 13:03:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 13:03:14,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 13:03:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 13:03:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-15 13:03:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-15 13:03:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 13:03:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 13:03:14,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2021-12-15 13:03:14,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2021-12-15 13:03:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 13:03:14,195 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 13:03:14,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2021-12-15 13:03:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2021-12-15 13:03:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2021-12-15 13:03:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2021-12-15 13:03:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 13:03:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 13:03:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-15 13:03:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-15 13:03:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2021-12-15 13:03:14,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2021-12-15 13:03:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 13:03:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 13:03:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 13:03:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 13:03:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:03:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 13:03:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-15 13:03:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-15 13:03:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 13:03:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 13:03:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 13:03:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 13:03:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 13:03:14,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 13:03:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2021-12-15 13:03:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2021-12-15 13:03:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 13:03:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 13:03:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-15 13:03:14,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-15 13:03:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 13:03:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 13:03:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 13:03:14,488 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 13:03:14,490 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 13:03:19,535 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 13:03:19,544 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 13:03:19,546 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 13:03:19,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:19 BoogieIcfgContainer [2021-12-15 13:03:19,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 13:03:19,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 13:03:19,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 13:03:19,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 13:03:19,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 01:03:11" (1/3) ... [2021-12-15 13:03:19,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed18d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:19, skipping insertion in model container [2021-12-15 13:03:19,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:03:13" (2/3) ... [2021-12-15 13:03:19,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed18d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 01:03:19, skipping insertion in model container [2021-12-15 13:03:19,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:03:19" (3/3) ... [2021-12-15 13:03:19,554 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2021-12-15 13:03:19,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 13:03:19,558 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 13:03:19,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 13:03:19,592 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 13:03:19,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 13:03:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 13:03:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-15 13:03:19,612 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 13:03:19,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 13:03:19,613 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 13:03:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 13:03:19,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1403411196, now seen corresponding path program 1 times [2021-12-15 13:03:19,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 13:03:19,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807651826] [2021-12-15 13:03:19,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 13:03:19,628 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 13:03:19,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 13:03:19,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 13:03:19,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 13:03:19,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 13:03:19,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 13:03:19,965 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction 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.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 13:03:19,972 INFO L158 Benchmark]: Toolchain (without parser) took 7995.81ms. Allocated memory was 52.4MB in the beginning and 281.0MB in the end (delta: 228.6MB). Free memory was 31.0MB in the beginning and 217.5MB in the end (delta: -186.5MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2021-12-15 13:03:19,975 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:03:19,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1896.40ms. Allocated memory was 52.4MB in the beginning and 165.7MB in the end (delta: 113.2MB). Free memory was 30.9MB in the beginning and 114.6MB in the end (delta: -83.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-12-15 13:03:19,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.90ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 105.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 13:03:19,977 INFO L158 Benchmark]: Boogie Preprocessor took 113.60ms. Allocated memory is still 165.7MB. Free memory was 105.3MB in the beginning and 95.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 13:03:19,978 INFO L158 Benchmark]: RCFGBuilder took 5424.14ms. Allocated memory is still 165.7MB. Free memory was 95.7MB in the beginning and 64.1MB in the end (delta: 31.6MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2021-12-15 13:03:19,980 INFO L158 Benchmark]: TraceAbstraction took 420.20ms. Allocated memory was 165.7MB in the beginning and 281.0MB in the end (delta: 115.3MB). Free memory was 64.1MB in the beginning and 217.5MB in the end (delta: -153.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-12-15 13:03:19,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1896.40ms. Allocated memory was 52.4MB in the beginning and 165.7MB in the end (delta: 113.2MB). Free memory was 30.9MB in the beginning and 114.6MB in the end (delta: -83.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.90ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 105.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.60ms. Allocated memory is still 165.7MB. Free memory was 105.3MB in the beginning and 95.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5424.14ms. Allocated memory is still 165.7MB. Free memory was 95.7MB in the beginning and 64.1MB in the end (delta: 31.6MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 420.20ms. Allocated memory was 165.7MB in the beginning and 281.0MB in the end (delta: 115.3MB). Free memory was 64.1MB in the beginning and 217.5MB in the end (delta: -153.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 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 13:03:20,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable