./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:30:37,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:30:37,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:30:37,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:30:37,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:30:37,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:30:37,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:30:37,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:30:37,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:30:37,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:30:37,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:30:37,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:30:37,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:30:37,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:30:37,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:30:37,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:30:37,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:30:37,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:30:37,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:30:37,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:30:37,212 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:30:37,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:30:37,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:30:37,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:30:37,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:30:37,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:30:37,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:30:37,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:30:37,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:30:37,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:30:37,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:30:37,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:30:37,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:30:37,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:30:37,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:30:37,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:30:37,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:30:37,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:30:37,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:30:37,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:30:37,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:30:37,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:30:37,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:30:37,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:30:37,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:30:37,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:30:37,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:30:37,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:30:37,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:30:37,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:30:37,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:30:37,263 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:30:37,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:30:37,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:30:37,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:30:37,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:30:37,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:30:37,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:30:37,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:30:37,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:30:37,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:30:37,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:30:37,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:30:37,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:30:37,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:30:37,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:30:37,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:30:37,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:30:37,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:30:37,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:30:37,268 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:30:37,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:30:37,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:30:37,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-07-23 02:30:37,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:30:37,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:30:37,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:30:37,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:30:37,514 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:30:37,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-23 02:30:37,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adec16484/dc68ea9928564728956d94356602ccda/FLAG3fc20dcb5 [2022-07-23 02:30:38,443 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:30:38,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-23 02:30:38,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adec16484/dc68ea9928564728956d94356602ccda/FLAG3fc20dcb5 [2022-07-23 02:30:38,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adec16484/dc68ea9928564728956d94356602ccda [2022-07-23 02:30:38,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:30:38,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:30:38,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:30:38,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:30:38,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:30:38,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:38" (1/1) ... [2022-07-23 02:30:38,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c833eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:38, skipping insertion in model container [2022-07-23 02:30:38,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:38" (1/1) ... [2022-07-23 02:30:38,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:30:39,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:30:44,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-23 02:30:44,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-23 02:30:44,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-23 02:30:44,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-23 02:30:44,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:30:44,182 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:30:44,326 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: data = data & 4294959087U [8054] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2022-07-23 02:30:44,335 INFO L158 Benchmark]: Toolchain (without parser) took 5460.27ms. Allocated memory was 88.1MB in the beginning and 161.5MB in the end (delta: 73.4MB). Free memory was 46.8MB in the beginning and 67.6MB in the end (delta: -20.8MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-07-23 02:30:44,336 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:30:44,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5458.72ms. Allocated memory was 88.1MB in the beginning and 161.5MB in the end (delta: 73.4MB). Free memory was 46.5MB in the beginning and 67.6MB in the end (delta: -21.1MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-07-23 02:30:44,339 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 88.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5458.72ms. Allocated memory was 88.1MB in the beginning and 161.5MB in the end (delta: 73.4MB). Free memory was 46.5MB in the beginning and 67.6MB in the end (delta: -21.1MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: data = data & 4294959087U [8054] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: data = data & 4294959087U [8054]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:30:46,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:30:46,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:30:46,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:30:46,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:30:46,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:30:46,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:30:46,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:30:46,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:30:46,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:30:46,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:30:46,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:30:46,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:30:46,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:30:46,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:30:46,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:30:46,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:30:46,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:30:46,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:30:46,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:30:46,172 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:30:46,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:30:46,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:30:46,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:30:46,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:30:46,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:30:46,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:30:46,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:30:46,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:30:46,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:30:46,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:30:46,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:30:46,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:30:46,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:30:46,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:30:46,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:30:46,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:30:46,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:30:46,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:30:46,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:30:46,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:30:46,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:30:46,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:30:46,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:30:46,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:30:46,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:30:46,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:30:46,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:30:46,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:30:46,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:30:46,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:30:46,245 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:30:46,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:30:46,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:30:46,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:30:46,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:30:46,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:30:46,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:30:46,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:30:46,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:30:46,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:30:46,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:30:46,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:30:46,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:30:46,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:30:46,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:30:46,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:30:46,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:30:46,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:30:46,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:30:46,250 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:30:46,250 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:30:46,250 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:30:46,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:30:46,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:30:46,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:30:46,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-07-23 02:30:46,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:30:46,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:30:46,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:30:46,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:30:46,577 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:30:46,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-23 02:30:46,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50dd8051/6572b21d7b9647d899efcfe8edea8712/FLAG20d228aae [2022-07-23 02:30:47,559 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:30:47,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-23 02:30:47,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50dd8051/6572b21d7b9647d899efcfe8edea8712/FLAG20d228aae [2022-07-23 02:30:47,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50dd8051/6572b21d7b9647d899efcfe8edea8712 [2022-07-23 02:30:47,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:30:47,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:30:47,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:30:47,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:30:48,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:30:48,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:47" (1/1) ... [2022-07-23 02:30:48,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725a7f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:48, skipping insertion in model container [2022-07-23 02:30:48,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:47" (1/1) ... [2022-07-23 02:30:48,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:30:48,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:30:52,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-23 02:30:52,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-23 02:30:52,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-23 02:30:52,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-23 02:30:52,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:30:52,852 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:30:52,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:30:53,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-23 02:30:53,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-23 02:30:53,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-23 02:30:53,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-23 02:30:53,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:30:53,390 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:30:53,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-23 02:30:53,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-23 02:30:53,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-23 02:30:53,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-23 02:30:54,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:30:54,344 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:30:54,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54 WrapperNode [2022-07-23 02:30:54,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:30:54,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:30:54,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:30:54,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:30:54,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:54,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:54,731 INFO L137 Inliner]: procedures = 714, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 9917 [2022-07-23 02:30:54,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:30:54,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:30:54,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:30:54,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:30:54,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:54,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:54,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:54,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:54,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:55,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:55,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:55,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:30:55,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:30:55,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:30:55,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:30:55,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (1/1) ... [2022-07-23 02:30:55,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:30:55,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:30:55,248 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) [2022-07-23 02:30:55,272 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 [2022-07-23 02:30:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-07-23 02:30:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-07-23 02:30:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 02:30:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 02:30:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-23 02:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-23 02:30:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-07-23 02:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-07-23 02:30:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-23 02:30:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-23 02:30:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-07-23 02:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-07-23 02:30:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:30:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:30:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:30:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-23 02:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-23 02:30:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-23 02:30:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-23 02:30:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:30:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:30:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-07-23 02:30:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-07-23 02:30:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:30:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:30:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:30:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:30:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:30:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:30:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:30:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:30:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-07-23 02:30:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-07-23 02:30:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:30:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:30:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-07-23 02:30:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-07-23 02:30:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-07-23 02:30:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-07-23 02:30:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-07-23 02:30:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-07-23 02:30:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:30:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:30:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:30:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:30:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:30:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:30:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:30:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:30:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 02:30:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 02:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:30:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 02:30:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 02:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:30:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:30:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-07-23 02:30:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-07-23 02:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:30:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-07-23 02:30:55,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-07-23 02:30:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 02:30:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 02:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-07-23 02:30:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-07-23 02:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:30:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:30:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-07-23 02:30:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-07-23 02:30:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-07-23 02:30:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-07-23 02:30:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-07-23 02:30:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-07-23 02:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-07-23 02:30:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-07-23 02:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:30:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:30:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:30:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-07-23 02:30:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-07-23 02:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:30:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:30:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:30:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:30:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:30:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:30:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:30:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:30:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:30:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:30:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:30:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:30:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:30:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:30:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:30:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:30:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:30:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:30:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-07-23 02:30:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-07-23 02:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:30:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:30:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:30:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:30:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:30:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:30:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:30:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:30:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 02:30:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 02:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 02:30:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 02:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:30:55,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:30:55,326 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:30:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-07-23 02:30:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-07-23 02:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 02:30:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 02:30:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:30:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:30:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-23 02:30:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-23 02:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-23 02:30:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-23 02:30:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:30:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-07-23 02:30:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-07-23 02:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-07-23 02:30:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-07-23 02:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:30:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:30:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 02:30:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 02:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:30:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-07-23 02:30:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-07-23 02:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:30:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:30:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-07-23 02:30:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-07-23 02:30:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-07-23 02:30:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-07-23 02:30:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-07-23 02:30:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-07-23 02:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-07-23 02:30:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-07-23 02:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-07-23 02:30:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-07-23 02:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:30:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:30:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:30:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-07-23 02:30:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-07-23 02:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-07-23 02:30:55,334 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-07-23 02:30:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-07-23 02:30:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-07-23 02:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-07-23 02:30:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-07-23 02:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:30:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:30:55,335 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 02:30:55,335 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 02:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 02:30:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 02:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:30:55,336 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:30:55,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:30:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:30:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:30:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:30:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:30:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:30:55,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:30:55,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:30:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:30:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-23 02:30:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-23 02:30:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-07-23 02:30:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-07-23 02:30:55,338 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 02:30:55,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 02:30:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:30:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:30:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-07-23 02:30:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-07-23 02:30:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-07-23 02:30:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-07-23 02:30:55,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:30:55,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:30:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 02:30:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 02:30:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 02:30:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 02:30:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-07-23 02:30:55,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-07-23 02:30:55,340 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-07-23 02:30:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-07-23 02:30:55,341 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 02:30:55,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 02:30:55,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:30:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:30:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-07-23 02:30:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-07-23 02:30:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 02:30:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 02:30:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-07-23 02:30:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-07-23 02:30:55,345 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 02:30:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 02:30:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:30:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:30:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:30:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 02:30:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 02:30:55,347 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-07-23 02:30:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-07-23 02:30:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-07-23 02:30:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-07-23 02:30:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:30:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:30:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:30:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-07-23 02:30:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-07-23 02:30:55,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 02:30:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 02:30:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:30:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:30:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-07-23 02:30:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-07-23 02:30:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:30:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:30:55,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:30:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 02:30:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 02:30:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-07-23 02:30:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-07-23 02:30:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 02:30:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 02:30:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 02:30:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 02:30:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-07-23 02:30:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-07-23 02:30:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:30:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:30:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:30:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:30:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 02:30:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 02:30:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-07-23 02:30:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-07-23 02:30:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-23 02:30:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-23 02:30:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-07-23 02:30:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-07-23 02:30:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-07-23 02:30:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-07-23 02:30:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-07-23 02:30:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-07-23 02:30:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-07-23 02:30:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-07-23 02:30:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:30:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:30:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:30:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:30:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-23 02:30:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-23 02:30:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-23 02:30:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-23 02:30:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 02:30:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 02:30:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:30:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:30:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-07-23 02:30:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-07-23 02:30:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:30:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:30:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-07-23 02:30:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-07-23 02:30:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-07-23 02:30:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-07-23 02:30:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 02:30:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 02:30:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:30:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-07-23 02:30:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-07-23 02:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-07-23 02:30:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-07-23 02:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:30:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-07-23 02:30:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-07-23 02:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:30:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 02:30:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 02:30:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-07-23 02:30:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-07-23 02:30:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 02:30:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 02:30:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-07-23 02:30:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-07-23 02:30:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-07-23 02:30:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-07-23 02:30:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-23 02:30:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-23 02:30:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-07-23 02:30:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-07-23 02:30:55,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:30:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:30:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 02:30:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 02:30:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-07-23 02:30:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-07-23 02:30:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-07-23 02:30:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-07-23 02:30:55,361 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-23 02:30:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-23 02:30:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 02:30:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 02:30:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:30:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:30:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-07-23 02:30:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-07-23 02:30:55,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:30:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:30:56,640 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:30:56,644 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:30:56,874 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:31:52,079 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:31:52,201 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:31:52,235 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:31:52,235 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:31:52,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:31:52 BoogieIcfgContainer [2022-07-23 02:31:52,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:31:52,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:31:52,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:31:52,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:31:52,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:30:47" (1/3) ... [2022-07-23 02:31:52,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acda6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:31:52, skipping insertion in model container [2022-07-23 02:31:52,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:54" (2/3) ... [2022-07-23 02:31:52,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acda6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:31:52, skipping insertion in model container [2022-07-23 02:31:52,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:31:52" (3/3) ... [2022-07-23 02:31:52,250 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-23 02:31:52,262 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:31:52,262 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-23 02:31:52,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:31:52,398 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b1e693, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7547b6a8 [2022-07-23 02:31:52,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-23 02:31:52,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 4065 states, 2760 states have (on average 1.2659420289855072) internal successors, (3494), 2800 states have internal predecessors, (3494), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2022-07-23 02:31:52,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-23 02:31:52,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:52,451 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:31:52,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:31:52,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:52,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1966242404, now seen corresponding path program 1 times [2022-07-23 02:31:52,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:31:52,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138480495] [2022-07-23 02:31:52,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:52,475 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:31:52,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:31:52,478 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) [2022-07-23 02:31:52,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:31:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:54,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:31:54,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:31:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:31:55,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:31:55,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:31:55,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138480495] [2022-07-23 02:31:55,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138480495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:55,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:55,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:31:55,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001709761] [2022-07-23 02:31:55,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:55,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:31:55,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:31:55,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:31:55,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:31:55,277 INFO L87 Difference]: Start difference. First operand has 4065 states, 2760 states have (on average 1.2659420289855072) internal successors, (3494), 2800 states have internal predecessors, (3494), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:31:56,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:56,011 INFO L93 Difference]: Finished difference Result 12006 states and 17291 transitions. [2022-07-23 02:31:56,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:31:56,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 216 [2022-07-23 02:31:56,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:56,101 INFO L225 Difference]: With dead ends: 12006 [2022-07-23 02:31:56,102 INFO L226 Difference]: Without dead ends: 7960 [2022-07-23 02:31:56,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:31:56,147 INFO L413 NwaCegarLoop]: 6940 mSDtfsCounter, 5680 mSDsluCounter, 5625 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5680 SdHoareTripleChecker+Valid, 12565 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:56,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5680 Valid, 12565 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:31:56,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7960 states. [2022-07-23 02:31:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7960 to 7927. [2022-07-23 02:31:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7927 states, 5414 states have (on average 1.2620982637606206) internal successors, (6833), 5498 states have internal predecessors, (6833), 2189 states have call successors, (2189), 324 states have call predecessors, (2189), 320 states have return successors, (2215), 2156 states have call predecessors, (2215), 2185 states have call successors, (2215) [2022-07-23 02:31:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7927 states to 7927 states and 11237 transitions. [2022-07-23 02:31:56,816 INFO L78 Accepts]: Start accepts. Automaton has 7927 states and 11237 transitions. Word has length 216 [2022-07-23 02:31:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:56,821 INFO L495 AbstractCegarLoop]: Abstraction has 7927 states and 11237 transitions. [2022-07-23 02:31:56,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:31:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 7927 states and 11237 transitions. [2022-07-23 02:31:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-23 02:31:56,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:56,830 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:31:56,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:31:57,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:31:57,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:31:57,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:57,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1083475926, now seen corresponding path program 1 times [2022-07-23 02:31:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:31:57,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948657299] [2022-07-23 02:31:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:57,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:31:57,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:31:57,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:31:57,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:31:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:59,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:31:59,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:31:59,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:31:59,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:31:59,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:31:59,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948657299] [2022-07-23 02:31:59,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948657299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:59,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:59,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:31:59,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594656646] [2022-07-23 02:31:59,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:59,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:31:59,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:31:59,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:31:59,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:31:59,337 INFO L87 Difference]: Start difference. First operand 7927 states and 11237 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:32:00,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:00,418 INFO L93 Difference]: Finished difference Result 23556 states and 33396 transitions. [2022-07-23 02:32:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:00,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2022-07-23 02:32:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:00,539 INFO L225 Difference]: With dead ends: 23556 [2022-07-23 02:32:00,539 INFO L226 Difference]: Without dead ends: 15668 [2022-07-23 02:32:00,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:00,591 INFO L413 NwaCegarLoop]: 6795 mSDtfsCounter, 5543 mSDsluCounter, 5653 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5543 SdHoareTripleChecker+Valid, 12448 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:00,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5543 Valid, 12448 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:32:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15668 states. [2022-07-23 02:32:01,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15668 to 15662. [2022-07-23 02:32:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15662 states, 10717 states have (on average 1.2624801716898386) internal successors, (13530), 10876 states have internal predecessors, (13530), 4304 states have call successors, (4304), 644 states have call predecessors, (4304), 637 states have return successors, (4360), 4245 states have call predecessors, (4360), 4300 states have call successors, (4360) [2022-07-23 02:32:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15662 states to 15662 states and 22194 transitions. [2022-07-23 02:32:01,546 INFO L78 Accepts]: Start accepts. Automaton has 15662 states and 22194 transitions. Word has length 217 [2022-07-23 02:32:01,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:01,548 INFO L495 AbstractCegarLoop]: Abstraction has 15662 states and 22194 transitions. [2022-07-23 02:32:01,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:32:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 15662 states and 22194 transitions. [2022-07-23 02:32:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-23 02:32:01,559 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:01,559 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:01,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:01,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:01,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:01,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:01,776 INFO L85 PathProgramCache]: Analyzing trace with hash 66411930, now seen corresponding path program 1 times [2022-07-23 02:32:01,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:01,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117128825] [2022-07-23 02:32:01,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:01,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:01,785 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:01,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:32:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:03,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:32:03,955 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:03,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:03,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117128825] [2022-07-23 02:32:03,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117128825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:03,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:03,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:03,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931271199] [2022-07-23 02:32:03,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:03,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:03,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:03,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:03,957 INFO L87 Difference]: Start difference. First operand 15662 states and 22194 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 02:32:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:05,092 INFO L93 Difference]: Finished difference Result 46576 states and 66370 transitions. [2022-07-23 02:32:05,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:05,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-23 02:32:05,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:05,320 INFO L225 Difference]: With dead ends: 46576 [2022-07-23 02:32:05,320 INFO L226 Difference]: Without dead ends: 30953 [2022-07-23 02:32:05,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:05,417 INFO L413 NwaCegarLoop]: 6835 mSDtfsCounter, 5658 mSDsluCounter, 5611 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 12446 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:05,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5658 Valid, 12446 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:32:05,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30953 states. [2022-07-23 02:32:07,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30953 to 30914. [2022-07-23 02:32:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30914 states, 21175 states have (on average 1.2633766233766235) internal successors, (26752), 21498 states have internal predecessors, (26752), 8480 states have call successors, (8480), 1278 states have call predecessors, (8480), 1255 states have return successors, (8934), 8337 states have call predecessors, (8934), 8476 states have call successors, (8934) [2022-07-23 02:32:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30914 states to 30914 states and 44166 transitions. [2022-07-23 02:32:07,415 INFO L78 Accepts]: Start accepts. Automaton has 30914 states and 44166 transitions. Word has length 236 [2022-07-23 02:32:07,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:07,416 INFO L495 AbstractCegarLoop]: Abstraction has 30914 states and 44166 transitions. [2022-07-23 02:32:07,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 02:32:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30914 states and 44166 transitions. [2022-07-23 02:32:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-23 02:32:07,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:07,425 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:07,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:07,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:07,640 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:07,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:07,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1136013535, now seen corresponding path program 1 times [2022-07-23 02:32:07,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:07,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223099628] [2022-07-23 02:32:07,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:07,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:07,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:07,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:07,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:32:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:09,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:09,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:09,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:32:09,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:09,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:09,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223099628] [2022-07-23 02:32:09,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223099628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:09,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:09,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:09,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428350551] [2022-07-23 02:32:09,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:09,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:09,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:09,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:09,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:09,886 INFO L87 Difference]: Start difference. First operand 30914 states and 44166 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 02:32:11,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:11,900 INFO L93 Difference]: Finished difference Result 84752 states and 120899 transitions. [2022-07-23 02:32:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:11,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 242 [2022-07-23 02:32:11,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:12,372 INFO L225 Difference]: With dead ends: 84752 [2022-07-23 02:32:12,372 INFO L226 Difference]: Without dead ends: 53877 [2022-07-23 02:32:12,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:12,507 INFO L413 NwaCegarLoop]: 6544 mSDtfsCounter, 4205 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4205 SdHoareTripleChecker+Valid, 12142 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:12,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4205 Valid, 12142 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 02:32:12,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53877 states. [2022-07-23 02:32:15,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53877 to 53838. [2022-07-23 02:32:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53838 states, 36815 states have (on average 1.2625288605188103) internal successors, (46480), 37396 states have internal predecessors, (46480), 14656 states have call successors, (14656), 2410 states have call predecessors, (14656), 2363 states have return successors, (15562), 14371 states have call predecessors, (15562), 14652 states have call successors, (15562) [2022-07-23 02:32:15,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53838 states to 53838 states and 76698 transitions. [2022-07-23 02:32:15,864 INFO L78 Accepts]: Start accepts. Automaton has 53838 states and 76698 transitions. Word has length 242 [2022-07-23 02:32:15,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:15,866 INFO L495 AbstractCegarLoop]: Abstraction has 53838 states and 76698 transitions. [2022-07-23 02:32:15,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 02:32:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 53838 states and 76698 transitions. [2022-07-23 02:32:15,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-23 02:32:15,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:15,874 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:15,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:16,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:16,093 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:16,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:16,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2024183927, now seen corresponding path program 1 times [2022-07-23 02:32:16,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:16,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204497036] [2022-07-23 02:32:16,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:16,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:16,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:16,098 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:16,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:32:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:18,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1792 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:18,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:32:18,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:18,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:18,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204497036] [2022-07-23 02:32:18,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204497036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:18,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:18,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:18,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665357655] [2022-07-23 02:32:18,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:18,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:18,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:18,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:18,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:18,479 INFO L87 Difference]: Start difference. First operand 53838 states and 76698 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 02:32:20,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:20,570 INFO L93 Difference]: Finished difference Result 121594 states and 173086 transitions. [2022-07-23 02:32:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:20,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2022-07-23 02:32:20,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:21,033 INFO L225 Difference]: With dead ends: 121594 [2022-07-23 02:32:21,033 INFO L226 Difference]: Without dead ends: 67795 [2022-07-23 02:32:21,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:21,397 INFO L413 NwaCegarLoop]: 6926 mSDtfsCounter, 5628 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5628 SdHoareTripleChecker+Valid, 12624 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:21,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5628 Valid, 12624 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:32:21,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67795 states. [2022-07-23 02:32:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67795 to 67748. [2022-07-23 02:32:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67748 states, 46302 states have (on average 1.2616085698241977) internal successors, (58415), 47054 states have internal predecessors, (58415), 18446 states have call successors, (18446), 3052 states have call predecessors, (18446), 2996 states have return successors, (19489), 18071 states have call predecessors, (19489), 18442 states have call successors, (19489) [2022-07-23 02:32:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67748 states to 67748 states and 96350 transitions. [2022-07-23 02:32:24,346 INFO L78 Accepts]: Start accepts. Automaton has 67748 states and 96350 transitions. Word has length 241 [2022-07-23 02:32:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:24,347 INFO L495 AbstractCegarLoop]: Abstraction has 67748 states and 96350 transitions. [2022-07-23 02:32:24,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-23 02:32:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 67748 states and 96350 transitions. [2022-07-23 02:32:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-23 02:32:24,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:24,354 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:24,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:24,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:24,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:24,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:24,576 INFO L85 PathProgramCache]: Analyzing trace with hash 330946741, now seen corresponding path program 1 times [2022-07-23 02:32:24,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:24,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039455776] [2022-07-23 02:32:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:24,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:24,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:24,581 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:24,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:32:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:26,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:26,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-07-23 02:32:26,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:26,770 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:26,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039455776] [2022-07-23 02:32:26,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039455776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:26,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:26,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:26,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114513173] [2022-07-23 02:32:26,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:26,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:26,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:26,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:26,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:26,771 INFO L87 Difference]: Start difference. First operand 67748 states and 96350 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 02:32:30,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:30,898 INFO L93 Difference]: Finished difference Result 198170 states and 281191 transitions. [2022-07-23 02:32:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:32:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 252 [2022-07-23 02:32:30,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:31,606 INFO L225 Difference]: With dead ends: 198170 [2022-07-23 02:32:31,606 INFO L226 Difference]: Without dead ends: 130461 [2022-07-23 02:32:31,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:31,835 INFO L413 NwaCegarLoop]: 7595 mSDtfsCounter, 5321 mSDsluCounter, 5618 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5321 SdHoareTripleChecker+Valid, 13213 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:31,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5321 Valid, 13213 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 02:32:31,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130461 states. [2022-07-23 02:32:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130461 to 130390. [2022-07-23 02:32:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130390 states, 88929 states have (on average 1.256721654353473) internal successors, (111759), 90300 states have internal predecessors, (111759), 35553 states have call successors, (35553), 6015 states have call predecessors, (35553), 5904 states have return successors, (36923), 34872 states have call predecessors, (36923), 35549 states have call successors, (36923) [2022-07-23 02:32:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130390 states to 130390 states and 184235 transitions. [2022-07-23 02:32:37,902 INFO L78 Accepts]: Start accepts. Automaton has 130390 states and 184235 transitions. Word has length 252 [2022-07-23 02:32:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:37,904 INFO L495 AbstractCegarLoop]: Abstraction has 130390 states and 184235 transitions. [2022-07-23 02:32:37,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-23 02:32:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 130390 states and 184235 transitions. [2022-07-23 02:32:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-23 02:32:37,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:37,933 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:37,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:32:38,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:38,156 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:38,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:38,156 INFO L85 PathProgramCache]: Analyzing trace with hash -484281431, now seen corresponding path program 1 times [2022-07-23 02:32:38,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:38,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305370821] [2022-07-23 02:32:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:38,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:38,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:38,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:38,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:32:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:40,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1857 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:32:40,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-23 02:32:43,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:43,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:43,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305370821] [2022-07-23 02:32:43,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [305370821] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:43,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:43,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:32:43,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760205727] [2022-07-23 02:32:43,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:43,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:32:43,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:43,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:32:43,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:32:43,917 INFO L87 Difference]: Start difference. First operand 130390 states and 184235 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-23 02:32:46,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:46,758 INFO L93 Difference]: Finished difference Result 130396 states and 184240 transitions. [2022-07-23 02:32:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:32:46,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 275 [2022-07-23 02:32:46,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:47,405 INFO L225 Difference]: With dead ends: 130396 [2022-07-23 02:32:47,406 INFO L226 Difference]: Without dead ends: 130394 [2022-07-23 02:32:47,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:32:47,469 INFO L413 NwaCegarLoop]: 5709 mSDtfsCounter, 5605 mSDsluCounter, 11402 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5606 SdHoareTripleChecker+Valid, 17111 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:47,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5606 Valid, 17111 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:32:47,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130394 states. [2022-07-23 02:32:52,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130394 to 130394. [2022-07-23 02:32:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130394 states, 88932 states have (on average 1.2567129941978141) internal successors, (111762), 90303 states have internal predecessors, (111762), 35553 states have call successors, (35553), 6016 states have call predecessors, (35553), 5905 states have return successors, (36923), 34872 states have call predecessors, (36923), 35549 states have call successors, (36923) [2022-07-23 02:32:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130394 states to 130394 states and 184238 transitions. [2022-07-23 02:32:53,536 INFO L78 Accepts]: Start accepts. Automaton has 130394 states and 184238 transitions. Word has length 275 [2022-07-23 02:32:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:53,537 INFO L495 AbstractCegarLoop]: Abstraction has 130394 states and 184238 transitions. [2022-07-23 02:32:53,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-23 02:32:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 130394 states and 184238 transitions. [2022-07-23 02:32:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-23 02:32:53,547 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:53,548 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:53,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-23 02:32:53,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:32:53,764 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:32:53,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:53,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1523433992, now seen corresponding path program 1 times [2022-07-23 02:32:53,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:32:53,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790393308] [2022-07-23 02:32:53,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:53,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:32:53,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:32:53,768 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:32:53,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:32:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:55,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:32:55,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:32:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-07-23 02:32:56,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:32:56,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:32:56,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790393308] [2022-07-23 02:32:56,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790393308] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:56,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:56,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:32:56,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240251507] [2022-07-23 02:32:56,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:56,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:32:56,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:32:56,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:32:56,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:32:56,184 INFO L87 Difference]: Start difference. First operand 130394 states and 184238 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:33:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:03,065 INFO L93 Difference]: Finished difference Result 350028 states and 494297 transitions. [2022-07-23 02:33:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:33:03,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 277 [2022-07-23 02:33:03,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:04,221 INFO L225 Difference]: With dead ends: 350028 [2022-07-23 02:33:04,221 INFO L226 Difference]: Without dead ends: 219673 [2022-07-23 02:33:04,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:33:04,635 INFO L413 NwaCegarLoop]: 7492 mSDtfsCounter, 5539 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5539 SdHoareTripleChecker+Valid, 13159 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:04,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5539 Valid, 13159 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:33:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219673 states.