./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-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-jme.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 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:16:47,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:16:47,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:16:47,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:16:47,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:16:47,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:16:47,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:16:47,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:16:47,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:16:47,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:16:47,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:16:47,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:16:47,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:16:47,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:16:47,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:16:47,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:16:47,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:16:47,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:16:47,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:16:47,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:16:47,264 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:16:47,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:16:47,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:16:47,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:16:47,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:16:47,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:16:47,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:16:47,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:16:47,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:16:47,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:16:47,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:16:47,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:16:47,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:16:47,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:16:47,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:16:47,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:16:47,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:16:47,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:16:47,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:16:47,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:16:47,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:16:47,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:16:47,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:16:47,319 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:16:47,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:16:47,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:16:47,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:16:47,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:16:47,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:16:47,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:16:47,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:16:47,322 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:16:47,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:16:47,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:16:47,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:16:47,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:16:47,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:16:47,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:16:47,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:16:47,324 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:16:47,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:16:47,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:16:47,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:16:47,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:16:47,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:16:47,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:16:47,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:16:47,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:16:47,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:16:47,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:16:47,332 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:16:47,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:16:47,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:16:47,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-12 15:16:47,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:16:47,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:16:47,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:16:47,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:16:47,580 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:16:47,581 INFO L432 ainManager$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-jme.cil.i [2022-07-12 15:16:47,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605afcbd0/d01e832e8aad4d0493aa8ec8db9f7a90/FLAG4ffaac531 [2022-07-12 15:16:48,487 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:16:48,488 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-jme.cil.i [2022-07-12 15:16:48,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605afcbd0/d01e832e8aad4d0493aa8ec8db9f7a90/FLAG4ffaac531 [2022-07-12 15:16:48,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605afcbd0/d01e832e8aad4d0493aa8ec8db9f7a90 [2022-07-12 15:16:48,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:16:48,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:16:48,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:16:48,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:16:48,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:16:48,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:16:48" (1/1) ... [2022-07-12 15:16:48,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1daaf0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:16:48, skipping insertion in model container [2022-07-12 15:16:48,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:16:48" (1/1) ... [2022-07-12 15:16:48,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:16:49,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:16:52,957 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-jme.cil.i[464820,464833] [2022-07-12 15:16:52,960 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-jme.cil.i[464989,465002] [2022-07-12 15:16:52,966 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-jme.cil.i[465156,465169] [2022-07-12 15:16:52,967 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-jme.cil.i[465324,465337] [2022-07-12 15:16:52,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:16:53,034 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:16:53,268 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: reg = reg & 4043309055U [10155] 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: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) [2022-07-12 15:16:53,273 INFO L158 Benchmark]: Toolchain (without parser) took 4335.46ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 66.0MB in the beginning and 87.5MB in the end (delta: -21.5MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2022-07-12 15:16:53,274 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:16:53,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4333.81ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 65.8MB in the beginning and 87.5MB in the end (delta: -21.7MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2022-07-12 15:16:53,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 58.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4333.81ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 65.8MB in the beginning and 87.5MB in the end (delta: -21.7MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10155] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10155]: 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-jme.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 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:16:55,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:16:55,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:16:55,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:16:55,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:16:55,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:16:55,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:16:55,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:16:55,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:16:55,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:16:55,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:16:55,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:16:55,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:16:55,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:16:55,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:16:55,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:16:55,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:16:55,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:16:55,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:16:55,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:16:55,088 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:16:55,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:16:55,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:16:55,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:16:55,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:16:55,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:16:55,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:16:55,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:16:55,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:16:55,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:16:55,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:16:55,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:16:55,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:16:55,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:16:55,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:16:55,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:16:55,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:16:55,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:16:55,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:16:55,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:16:55,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:16:55,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:16:55,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:16:55,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:16:55,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:16:55,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:16:55,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:16:55,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:16:55,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:16:55,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:16:55,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:16:55,128 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:16:55,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:16:55,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:16:55,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:16:55,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:16:55,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:16:55,129 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:16:55,129 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:16:55,130 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:16:55,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:16:55,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:16:55,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:16:55,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:16:55,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:16:55,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:16:55,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:16:55,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:16:55,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:16:55,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:16:55,132 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:16:55,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:16:55,132 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:16:55,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:16:55,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:16:55,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:16:55,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-12 15:16:55,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:16:55,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:16:55,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:16:55,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:16:55,438 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:16:55,440 INFO L432 ainManager$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-jme.cil.i [2022-07-12 15:16:55,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ae25cce/da0cbfe4ef5c44fba5a97f5fac454796/FLAGb54ddbd1c [2022-07-12 15:16:56,375 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:16:56,376 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-jme.cil.i [2022-07-12 15:16:56,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ae25cce/da0cbfe4ef5c44fba5a97f5fac454796/FLAGb54ddbd1c [2022-07-12 15:16:56,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ae25cce/da0cbfe4ef5c44fba5a97f5fac454796 [2022-07-12 15:16:56,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:16:56,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:16:56,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:16:56,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:16:56,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:16:56,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:16:56" (1/1) ... [2022-07-12 15:16:56,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1a7280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:16:56, skipping insertion in model container [2022-07-12 15:16:56,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:16:56" (1/1) ... [2022-07-12 15:16:56,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:16:57,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:17:00,836 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-jme.cil.i[464820,464833] [2022-07-12 15:17:00,838 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-jme.cil.i[464989,465002] [2022-07-12 15:17:00,839 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-jme.cil.i[465156,465169] [2022-07-12 15:17:00,844 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-jme.cil.i[465324,465337] [2022-07-12 15:17:00,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:17:00,927 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:17:01,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:17:01,385 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-jme.cil.i[464820,464833] [2022-07-12 15:17:01,386 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-jme.cil.i[464989,465002] [2022-07-12 15:17:01,386 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-jme.cil.i[465156,465169] [2022-07-12 15:17:01,387 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-jme.cil.i[465324,465337] [2022-07-12 15:17:01,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:17:01,462 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:17:01,841 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-jme.cil.i[464820,464833] [2022-07-12 15:17:01,842 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-jme.cil.i[464989,465002] [2022-07-12 15:17:01,842 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-jme.cil.i[465156,465169] [2022-07-12 15:17:01,843 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-jme.cil.i[465324,465337] [2022-07-12 15:17:01,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:17:02,140 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:17:02,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02 WrapperNode [2022-07-12 15:17:02,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:17:02,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:17:02,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:17:02,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:17:02,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,397 INFO L137 Inliner]: procedures = 677, calls = 2943, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 5801 [2022-07-12 15:17:02,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:17:02,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:17:02,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:17:02,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:17:02,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:17:02,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:17:02,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:17:02,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:17:02,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (1/1) ... [2022-07-12 15:17:02,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:17:02,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:17:02,716 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) [2022-07-12 15:17:02,741 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 [2022-07-12 15:17:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 15:17:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 15:17:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-12 15:17:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-12 15:17:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-12 15:17:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-12 15:17:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 15:17:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 15:17:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-12 15:17:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-12 15:17:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:17:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:17:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-12 15:17:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-12 15:17:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 15:17:02,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 15:17:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-12 15:17:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-12 15:17:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:17:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:17:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:17:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:17:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-12 15:17:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-12 15:17:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-12 15:17:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-12 15:17:02,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:17:02,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:17:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 15:17:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 15:17:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 15:17:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 15:17:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 15:17:02,764 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 15:17:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 15:17:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 15:17:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-12 15:17:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-12 15:17:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:17:02,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:17:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-12 15:17:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-12 15:17:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-12 15:17:02,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-12 15:17:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 15:17:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 15:17:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 15:17:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 15:17:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:17:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:17:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 15:17:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 15:17:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 15:17:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 15:17:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 15:17:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:17:02,769 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:17:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:17:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:17:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 15:17:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 15:17:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:17:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 15:17:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 15:17:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-12 15:17:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-12 15:17:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-12 15:17:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-12 15:17:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:17:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:17:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:17:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-12 15:17:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:17:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:17:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-12 15:17:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-12 15:17:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 15:17:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 15:17:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-12 15:17:02,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-12 15:17:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-12 15:17:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-12 15:17:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:17:02,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:17:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 15:17:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 15:17:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:17:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:17:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-12 15:17:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-12 15:17:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 15:17:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 15:17:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2022-07-12 15:17:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2022-07-12 15:17:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-12 15:17:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-12 15:17:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-12 15:17:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-12 15:17:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:17:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:17:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-07-12 15:17:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-07-12 15:17:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 15:17:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 15:17:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:17:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:17:02,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:17:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:17:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-12 15:17:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-12 15:17:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-12 15:17:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-12 15:17:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 15:17:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 15:17:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-12 15:17:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-12 15:17:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-12 15:17:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-12 15:17:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-12 15:17:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-12 15:17:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:17:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:17:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:17:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:17:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:17:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:17:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:17:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 15:17:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 15:17:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 15:17:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 15:17:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-12 15:17:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-12 15:17:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:17:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:17:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:17:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:17:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:17:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:17:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 15:17:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 15:17:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:17:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:17:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:17:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:17:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:17:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 15:17:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 15:17:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 15:17:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 15:17:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-12 15:17:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-12 15:17:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:17:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:17:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:17:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:17:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 15:17:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 15:17:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:17:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:17:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:17:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-12 15:17:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-12 15:17:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 15:17:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 15:17:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:17:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:17:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 15:17:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 15:17:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 15:17:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 15:17:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:17:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-12 15:17:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-12 15:17:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-12 15:17:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-12 15:17:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:17:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:17:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:17:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-12 15:17:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-12 15:17:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:17:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:17:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-12 15:17:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-12 15:17:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:17:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:17:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:17:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:17:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-12 15:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-12 15:17:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-12 15:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-12 15:17:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-12 15:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-12 15:17:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-12 15:17:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-12 15:17:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-12 15:17:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-12 15:17:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:17:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 15:17:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 15:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-12 15:17:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-12 15:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-12 15:17:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-12 15:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-12 15:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-12 15:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-12 15:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-12 15:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-12 15:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-12 15:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 15:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 15:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 15:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 15:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 15:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 15:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 15:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 15:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 15:17:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 15:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-12 15:17:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-12 15:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 15:17:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 15:17:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:17:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 15:17:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 15:17:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 15:17:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 15:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-12 15:17:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-12 15:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-12 15:17:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-12 15:17:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-12 15:17:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-12 15:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-12 15:17:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-12 15:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 15:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 15:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 15:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-12 15:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-12 15:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-12 15:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-12 15:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-12 15:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-12 15:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-12 15:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-12 15:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-12 15:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 15:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 15:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-12 15:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-12 15:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-07-12 15:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-07-12 15:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 15:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 15:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-12 15:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-12 15:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2022-07-12 15:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2022-07-12 15:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-12 15:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-12 15:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-12 15:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-12 15:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-12 15:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-12 15:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-12 15:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-12 15:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 15:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 15:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-12 15:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-12 15:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-12 15:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-12 15:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-12 15:17:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-12 15:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-12 15:17:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-12 15:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-12 15:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-12 15:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-12 15:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-12 15:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 15:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 15:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-12 15:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-12 15:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-12 15:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-12 15:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 15:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 15:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 15:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 15:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-12 15:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-12 15:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-12 15:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-12 15:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-12 15:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-12 15:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-12 15:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-12 15:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-12 15:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-12 15:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-12 15:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-12 15:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 15:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 15:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 15:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 15:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-12 15:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-12 15:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-12 15:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-12 15:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-12 15:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-12 15:17:03,651 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:17:03,654 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:17:11,453 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:17:51,651 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:17:52,226 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:17:52,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:17:52,257 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-12 15:17:52,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:17:52 BoogieIcfgContainer [2022-07-12 15:17:52,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:17:52,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:17:52,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:17:52,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:17:52,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:16:56" (1/3) ... [2022-07-12 15:17:52,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b37e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:17:52, skipping insertion in model container [2022-07-12 15:17:52,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:17:02" (2/3) ... [2022-07-12 15:17:52,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b37e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:17:52, skipping insertion in model container [2022-07-12 15:17:52,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:17:52" (3/3) ... [2022-07-12 15:17:52,270 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-12 15:17:52,281 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:17:52,282 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 15:17:52,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:17:52,403 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@71ac419c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7b01d421 [2022-07-12 15:17:52,404 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 15:17:52,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) [2022-07-12 15:17:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-12 15:17:52,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:17:52,435 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:17:52,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:17:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:17:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1489807384, now seen corresponding path program 1 times [2022-07-12 15:17:52,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:17:52,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190910680] [2022-07-12 15:17:52,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:17:52,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:17:52,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:17:52,468 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) [2022-07-12 15:17:52,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:17:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:53,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:17:53,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:17:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 15:17:53,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:17:53,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:17:53,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190910680] [2022-07-12 15:17:53,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190910680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:17:53,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:17:53,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:17:53,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118505500] [2022-07-12 15:17:53,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:17:53,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:17:53,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:17:53,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:17:53,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:17:53,970 INFO L87 Difference]: Start difference. First operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) 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, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:17:54,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:17:54,678 INFO L93 Difference]: Finished difference Result 7841 states and 11113 transitions. [2022-07-12 15:17:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:17:54,681 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, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 226 [2022-07-12 15:17:54,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:17:54,728 INFO L225 Difference]: With dead ends: 7841 [2022-07-12 15:17:54,729 INFO L226 Difference]: Without dead ends: 5184 [2022-07-12 15:17:54,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:17:54,762 INFO L413 NwaCegarLoop]: 4378 mSDtfsCounter, 3525 mSDsluCounter, 3640 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 8018 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:17:54,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 8018 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:17:54,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2022-07-12 15:17:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5180. [2022-07-12 15:17:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5180 states, 3468 states have (on average 1.258650519031142) internal successors, (4365), 3563 states have internal predecessors, (4365), 1399 states have call successors, (1399), 311 states have call predecessors, (1399), 310 states have return successors, (1395), 1363 states have call predecessors, (1395), 1395 states have call successors, (1395) [2022-07-12 15:17:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 7159 transitions. [2022-07-12 15:17:55,060 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 7159 transitions. Word has length 226 [2022-07-12 15:17:55,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:17:55,062 INFO L495 AbstractCegarLoop]: Abstraction has 5180 states and 7159 transitions. [2022-07-12 15:17:55,062 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, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:17:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 7159 transitions. [2022-07-12 15:17:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-07-12 15:17:55,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:17:55,072 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:17:55,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 15:17:55,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:17:55,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:17:55,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:17:55,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1238043182, now seen corresponding path program 1 times [2022-07-12 15:17:55,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:17:55,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36010982] [2022-07-12 15:17:55,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:17:55,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:17:55,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:17:55,298 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) [2022-07-12 15:17:55,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:17:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:17:56,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:17:56,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:17:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 15:17:56,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:17:56,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:17:56,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36010982] [2022-07-12 15:17:56,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36010982] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:17:56,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:17:56,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:17:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469090229] [2022-07-12 15:17:56,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:17:56,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:17:56,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:17:56,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:17:56,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:17:56,804 INFO L87 Difference]: Start difference. First operand 5180 states and 7159 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:17:58,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:17:58,085 INFO L93 Difference]: Finished difference Result 14052 states and 19387 transitions. [2022-07-12 15:17:58,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:17:58,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 235 [2022-07-12 15:17:58,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:17:58,149 INFO L225 Difference]: With dead ends: 14052 [2022-07-12 15:17:58,150 INFO L226 Difference]: Without dead ends: 8913 [2022-07-12 15:17:58,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:17:58,180 INFO L413 NwaCegarLoop]: 4225 mSDtfsCounter, 2625 mSDsluCounter, 3552 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2625 SdHoareTripleChecker+Valid, 7777 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 15:17:58,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2625 Valid, 7777 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 15:17:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8913 states. [2022-07-12 15:17:58,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8913 to 8879. [2022-07-12 15:17:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8879 states, 5873 states have (on average 1.2545547420398433) internal successors, (7368), 6051 states have internal predecessors, (7368), 2432 states have call successors, (2432), 574 states have call predecessors, (2432), 571 states have return successors, (2430), 2357 states have call predecessors, (2430), 2428 states have call successors, (2430) [2022-07-12 15:17:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8879 states to 8879 states and 12230 transitions. [2022-07-12 15:17:58,714 INFO L78 Accepts]: Start accepts. Automaton has 8879 states and 12230 transitions. Word has length 235 [2022-07-12 15:17:58,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:17:58,715 INFO L495 AbstractCegarLoop]: Abstraction has 8879 states and 12230 transitions. [2022-07-12 15:17:58,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:17:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8879 states and 12230 transitions. [2022-07-12 15:17:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-12 15:17:58,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:17:58,721 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:17:58,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:17:58,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:17:58,939 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:17:58,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:17:58,940 INFO L85 PathProgramCache]: Analyzing trace with hash 868734910, now seen corresponding path program 1 times [2022-07-12 15:17:58,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:17:58,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067117008] [2022-07-12 15:17:58,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:17:58,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:17:58,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:17:58,944 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) [2022-07-12 15:17:58,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:17:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:00,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:18:00,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 15:18:00,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:18:00,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:00,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067117008] [2022-07-12 15:18:00,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067117008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:00,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:00,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:18:00,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110053703] [2022-07-12 15:18:00,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:00,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:18:00,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:00,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:18:00,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:00,325 INFO L87 Difference]: Start difference. First operand 8879 states and 12230 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:18:02,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:02,013 INFO L93 Difference]: Finished difference Result 25541 states and 35174 transitions. [2022-07-12 15:18:02,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:18:02,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 238 [2022-07-12 15:18:02,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:02,129 INFO L225 Difference]: With dead ends: 25541 [2022-07-12 15:18:02,130 INFO L226 Difference]: Without dead ends: 16703 [2022-07-12 15:18:02,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:02,175 INFO L413 NwaCegarLoop]: 4758 mSDtfsCounter, 3325 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 8334 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:02,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 8334 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 15:18:02,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16703 states. [2022-07-12 15:18:02,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16703 to 16665. [2022-07-12 15:18:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16665 states, 10971 states have (on average 1.2471060067450552) internal successors, (13682), 11301 states have internal predecessors, (13682), 4578 states have call successors, (4578), 1118 states have call predecessors, (4578), 1113 states have return successors, (4576), 4443 states have call predecessors, (4576), 4574 states have call successors, (4576) [2022-07-12 15:18:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16665 states to 16665 states and 22836 transitions. [2022-07-12 15:18:02,913 INFO L78 Accepts]: Start accepts. Automaton has 16665 states and 22836 transitions. Word has length 238 [2022-07-12 15:18:02,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:02,914 INFO L495 AbstractCegarLoop]: Abstraction has 16665 states and 22836 transitions. [2022-07-12 15:18:02,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:18:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 16665 states and 22836 transitions. [2022-07-12 15:18:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-12 15:18:02,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:02,920 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:02,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:03,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:03,136 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:03,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:03,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1256873516, now seen corresponding path program 1 times [2022-07-12 15:18:03,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:03,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345510748] [2022-07-12 15:18:03,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:03,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:03,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:03,143 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) [2022-07-12 15:18:03,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:18:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:04,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:18:04,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 15:18:04,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:18:04,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:04,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1345510748] [2022-07-12 15:18:04,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1345510748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:04,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:04,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:18:04,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768209754] [2022-07-12 15:18:04,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:04,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:18:04,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:04,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:18:04,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:04,590 INFO L87 Difference]: Start difference. First operand 16665 states and 22836 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:18:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:05,956 INFO L93 Difference]: Finished difference Result 34680 states and 47410 transitions. [2022-07-12 15:18:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:18:05,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2022-07-12 15:18:05,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:06,053 INFO L225 Difference]: With dead ends: 34680 [2022-07-12 15:18:06,053 INFO L226 Difference]: Without dead ends: 18056 [2022-07-12 15:18:06,115 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 [2022-07-12 15:18:06,117 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3102 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 8926 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:06,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 8926 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 15:18:06,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18056 states. [2022-07-12 15:18:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18056 to 18020. [2022-07-12 15:18:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 11820 states have (on average 1.238917089678511) internal successors, (14644), 12190 states have internal predecessors, (14644), 4923 states have call successors, (4923), 1282 states have call predecessors, (4923), 1274 states have return successors, (4921), 4760 states have call predecessors, (4921), 4919 states have call successors, (4921) [2022-07-12 15:18:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 24488 transitions. [2022-07-12 15:18:06,849 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 24488 transitions. Word has length 242 [2022-07-12 15:18:06,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:06,850 INFO L495 AbstractCegarLoop]: Abstraction has 18020 states and 24488 transitions. [2022-07-12 15:18:06,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 15:18:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 24488 transitions. [2022-07-12 15:18:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-12 15:18:06,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:06,856 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 18, 18, 18, 18, 18, 18, 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] [2022-07-12 15:18:06,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:07,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:07,080 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:07,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1225135496, now seen corresponding path program 1 times [2022-07-12 15:18:07,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:07,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1808882727] [2022-07-12 15:18:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:07,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:07,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:07,085 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) [2022-07-12 15:18:07,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:18:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:08,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:18:08,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-12 15:18:08,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:18:08,748 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:08,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1808882727] [2022-07-12 15:18:08,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1808882727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:08,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:08,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:18:08,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041017204] [2022-07-12 15:18:08,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:08,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:18:08,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:08,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:18:08,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:08,751 INFO L87 Difference]: Start difference. First operand 18020 states and 24488 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-07-12 15:18:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:09,906 INFO L93 Difference]: Finished difference Result 46864 states and 63764 transitions. [2022-07-12 15:18:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:18:09,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 263 [2022-07-12 15:18:09,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:10,050 INFO L225 Difference]: With dead ends: 46864 [2022-07-12 15:18:10,050 INFO L226 Difference]: Without dead ends: 28885 [2022-07-12 15:18:10,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:10,125 INFO L413 NwaCegarLoop]: 4821 mSDtfsCounter, 3494 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3494 SdHoareTripleChecker+Valid, 8446 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 [2022-07-12 15:18:10,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3494 Valid, 8446 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 15:18:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28885 states. [2022-07-12 15:18:11,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28885 to 28839. [2022-07-12 15:18:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28839 states, 19117 states have (on average 1.2400481247057593) internal successors, (23706), 19723 states have internal predecessors, (23706), 7740 states have call successors, (7740), 1994 states have call predecessors, (7740), 1979 states have return successors, (7740), 7458 states have call predecessors, (7740), 7736 states have call successors, (7740) [2022-07-12 15:18:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28839 states to 28839 states and 39186 transitions. [2022-07-12 15:18:11,273 INFO L78 Accepts]: Start accepts. Automaton has 28839 states and 39186 transitions. Word has length 263 [2022-07-12 15:18:11,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:11,273 INFO L495 AbstractCegarLoop]: Abstraction has 28839 states and 39186 transitions. [2022-07-12 15:18:11,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-07-12 15:18:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 28839 states and 39186 transitions. [2022-07-12 15:18:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-12 15:18:11,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:11,278 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1] [2022-07-12 15:18:11,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:11,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:11,500 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:11,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:11,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1245104927, now seen corresponding path program 1 times [2022-07-12 15:18:11,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:11,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420164323] [2022-07-12 15:18:11,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:11,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:11,502 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) [2022-07-12 15:18:11,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 15:18:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:12,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:18:12,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2022-07-12 15:18:12,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:18:12,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:12,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420164323] [2022-07-12 15:18:12,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420164323] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:12,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:12,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:18:12,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267773425] [2022-07-12 15:18:12,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:12,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:18:12,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:12,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:18:12,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:12,741 INFO L87 Difference]: Start difference. First operand 28839 states and 39186 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-12 15:18:14,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:14,951 INFO L93 Difference]: Finished difference Result 85265 states and 115909 transitions. [2022-07-12 15:18:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:18:14,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2022-07-12 15:18:14,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:15,266 INFO L225 Difference]: With dead ends: 85265 [2022-07-12 15:18:15,267 INFO L226 Difference]: Without dead ends: 56579 [2022-07-12 15:18:15,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:15,413 INFO L413 NwaCegarLoop]: 6371 mSDtfsCounter, 3483 mSDsluCounter, 3643 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 10014 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:15,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 10014 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:18:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-12 15:18:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56575. [2022-07-12 15:18:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56575 states, 37524 states have (on average 1.239979746295704) internal successors, (46529), 38662 states have internal predecessors, (46529), 15148 states have call successors, (15148), 3921 states have call predecessors, (15148), 3900 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-12 15:18:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56575 states to 56575 states and 76829 transitions. [2022-07-12 15:18:17,889 INFO L78 Accepts]: Start accepts. Automaton has 56575 states and 76829 transitions. Word has length 282 [2022-07-12 15:18:17,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:17,890 INFO L495 AbstractCegarLoop]: Abstraction has 56575 states and 76829 transitions. [2022-07-12 15:18:17,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-12 15:18:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 56575 states and 76829 transitions. [2022-07-12 15:18:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-12 15:18:17,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:17,896 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1] [2022-07-12 15:18:17,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:18,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:18,112 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:18,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:18,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1385653537, now seen corresponding path program 1 times [2022-07-12 15:18:18,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:18,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557222665] [2022-07-12 15:18:18,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:18,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:18,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:18,116 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) [2022-07-12 15:18:18,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 15:18:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:19,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:18:19,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-12 15:18:24,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:18:24,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:24,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557222665] [2022-07-12 15:18:24,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557222665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:24,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:24,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:18:24,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995118464] [2022-07-12 15:18:24,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:24,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:18:24,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:24,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:18:24,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:18:24,050 INFO L87 Difference]: Start difference. First operand 56575 states and 76829 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-12 15:18:25,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:25,643 INFO L93 Difference]: Finished difference Result 56581 states and 76834 transitions. [2022-07-12 15:18:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:18:25,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 282 [2022-07-12 15:18:25,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:25,934 INFO L225 Difference]: With dead ends: 56581 [2022-07-12 15:18:25,935 INFO L226 Difference]: Without dead ends: 56579 [2022-07-12 15:18:25,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:18:25,967 INFO L413 NwaCegarLoop]: 3667 mSDtfsCounter, 3562 mSDsluCounter, 7317 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 10984 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:25,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 10984 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:18:26,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-12 15:18:27,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56579. [2022-07-12 15:18:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56579 states, 37527 states have (on average 1.2399605617288885) internal successors, (46532), 38665 states have internal predecessors, (46532), 15148 states have call successors, (15148), 3922 states have call predecessors, (15148), 3901 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-12 15:18:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56579 states to 56579 states and 76832 transitions. [2022-07-12 15:18:28,015 INFO L78 Accepts]: Start accepts. Automaton has 56579 states and 76832 transitions. Word has length 282 [2022-07-12 15:18:28,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:28,016 INFO L495 AbstractCegarLoop]: Abstraction has 56579 states and 76832 transitions. [2022-07-12 15:18:28,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-12 15:18:28,016 INFO L276 IsEmpty]: Start isEmpty. Operand 56579 states and 76832 transitions. [2022-07-12 15:18:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-07-12 15:18:28,021 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:28,022 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:28,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:28,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:28,243 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:28,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:28,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1896019683, now seen corresponding path program 1 times [2022-07-12 15:18:28,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:28,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8193065] [2022-07-12 15:18:28,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:28,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:28,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:28,247 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) [2022-07-12 15:18:28,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 15:18:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:29,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:18:29,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-12 15:18:33,883 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:18:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-12 15:18:35,903 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:35,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8193065] [2022-07-12 15:18:35,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8193065] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:18:35,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:18:35,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:18:35,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911914049] [2022-07-12 15:18:35,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:35,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:18:35,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:35,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:18:35,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:18:35,905 INFO L87 Difference]: Start difference. First operand 56579 states and 76832 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-12 15:18:37,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:37,673 INFO L93 Difference]: Finished difference Result 56585 states and 76837 transitions. [2022-07-12 15:18:37,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:18:37,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 287 [2022-07-12 15:18:37,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:37,888 INFO L225 Difference]: With dead ends: 56585 [2022-07-12 15:18:37,888 INFO L226 Difference]: Without dead ends: 56583 [2022-07-12 15:18:37,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:37,920 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:37,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:18:37,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56583 states. [2022-07-12 15:18:39,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56583 to 56583. [2022-07-12 15:18:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56583 states, 37530 states have (on average 1.23994138022915) internal successors, (46535), 38668 states have internal predecessors, (46535), 15148 states have call successors, (15148), 3923 states have call predecessors, (15148), 3902 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-12 15:18:39,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56583 states to 56583 states and 76835 transitions. [2022-07-12 15:18:39,596 INFO L78 Accepts]: Start accepts. Automaton has 56583 states and 76835 transitions. Word has length 287 [2022-07-12 15:18:39,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:39,597 INFO L495 AbstractCegarLoop]: Abstraction has 56583 states and 76835 transitions. [2022-07-12 15:18:39,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-12 15:18:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 56583 states and 76835 transitions. [2022-07-12 15:18:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-12 15:18:39,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:39,601 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:39,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:39,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:39,815 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:39,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:39,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1465075233, now seen corresponding path program 1 times [2022-07-12 15:18:39,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:39,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346721311] [2022-07-12 15:18:39,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:39,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:39,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:39,818 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:18:39,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 15:18:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:40,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:18:40,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-12 15:18:45,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:18:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-12 15:18:47,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:47,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346721311] [2022-07-12 15:18:47,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346721311] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:18:47,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:18:47,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:18:47,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523762578] [2022-07-12 15:18:47,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:47,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:18:47,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:47,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:18:47,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:18:47,164 INFO L87 Difference]: Start difference. First operand 56583 states and 76835 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 15:18:48,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:48,635 INFO L93 Difference]: Finished difference Result 56589 states and 76840 transitions. [2022-07-12 15:18:48,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:18:48,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 292 [2022-07-12 15:18:48,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:48,851 INFO L225 Difference]: With dead ends: 56589 [2022-07-12 15:18:48,851 INFO L226 Difference]: Without dead ends: 56587 [2022-07-12 15:18:48,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:18:48,882 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:48,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:18:48,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56587 states. [2022-07-12 15:18:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56587 to 56587. [2022-07-12 15:18:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56587 states, 37533 states have (on average 1.239922201795753) internal successors, (46538), 38671 states have internal predecessors, (46538), 15148 states have call successors, (15148), 3924 states have call predecessors, (15148), 3903 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-12 15:18:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56587 states to 56587 states and 76838 transitions. [2022-07-12 15:18:51,021 INFO L78 Accepts]: Start accepts. Automaton has 56587 states and 76838 transitions. Word has length 292 [2022-07-12 15:18:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:51,022 INFO L495 AbstractCegarLoop]: Abstraction has 56587 states and 76838 transitions. [2022-07-12 15:18:51,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 15:18:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 56587 states and 76838 transitions. [2022-07-12 15:18:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-12 15:18:51,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:51,027 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 4, 3, 3, 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, 1, 1] [2022-07-12 15:18:51,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:51,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:51,248 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:51,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:51,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1059633280, now seen corresponding path program 1 times [2022-07-12 15:18:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:51,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051824947] [2022-07-12 15:18:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:51,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:51,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:51,251 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:18:51,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 15:18:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:52,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:18:52,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:18:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2022-07-12 15:18:52,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:18:52,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:18:52,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051824947] [2022-07-12 15:18:52,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051824947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:18:52,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:18:52,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:18:52,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539925087] [2022-07-12 15:18:52,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:18:52,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:18:52,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:18:52,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:18:52,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:52,481 INFO L87 Difference]: Start difference. First operand 56587 states and 76838 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 15:18:55,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:18:55,080 INFO L93 Difference]: Finished difference Result 140812 states and 191292 transitions. [2022-07-12 15:18:55,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:18:55,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 308 [2022-07-12 15:18:55,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:18:55,466 INFO L225 Difference]: With dead ends: 140812 [2022-07-12 15:18:55,466 INFO L226 Difference]: Without dead ends: 84378 [2022-07-12 15:18:55,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:18:55,627 INFO L413 NwaCegarLoop]: 7170 mSDtfsCounter, 3524 mSDsluCounter, 3645 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3524 SdHoareTripleChecker+Valid, 10815 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:18:55,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3524 Valid, 10815 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:18:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84378 states. [2022-07-12 15:18:58,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84378 to 84339. [2022-07-12 15:18:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84339 states, 55956 states have (on average 1.2398491672028022) internal successors, (69377), 57626 states have internal predecessors, (69377), 22556 states have call successors, (22556), 5851 states have call predecessors, (22556), 5824 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-12 15:18:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84339 states to 84339 states and 114497 transitions. [2022-07-12 15:18:58,720 INFO L78 Accepts]: Start accepts. Automaton has 84339 states and 114497 transitions. Word has length 308 [2022-07-12 15:18:58,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:18:58,721 INFO L495 AbstractCegarLoop]: Abstraction has 84339 states and 114497 transitions. [2022-07-12 15:18:58,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 15:18:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 84339 states and 114497 transitions. [2022-07-12 15:18:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-12 15:18:58,725 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:18:58,726 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:18:58,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 15:18:58,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:18:58,952 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:18:58,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:18:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash 465954147, now seen corresponding path program 1 times [2022-07-12 15:18:58,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:18:58,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043868639] [2022-07-12 15:18:58,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:18:58,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:18:58,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:18:58,955 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:18:58,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 15:18:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:18:59,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:18:59,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:19:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-12 15:19:04,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:19:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-12 15:19:05,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:19:05,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043868639] [2022-07-12 15:19:05,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043868639] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:19:05,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:19:05,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:19:05,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663655874] [2022-07-12 15:19:05,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:05,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:19:05,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:19:05,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:19:05,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:19:05,897 INFO L87 Difference]: Start difference. First operand 84339 states and 114497 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 15:19:08,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:08,210 INFO L93 Difference]: Finished difference Result 84345 states and 114502 transitions. [2022-07-12 15:19:08,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:19:08,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 297 [2022-07-12 15:19:08,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:08,659 INFO L225 Difference]: With dead ends: 84345 [2022-07-12 15:19:08,659 INFO L226 Difference]: Without dead ends: 84343 [2022-07-12 15:19:08,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:19:08,694 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:08,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:19:08,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84343 states. [2022-07-12 15:19:11,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84343 to 84343. [2022-07-12 15:19:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84343 states, 55959 states have (on average 1.2398363087260316) internal successors, (69380), 57629 states have internal predecessors, (69380), 22556 states have call successors, (22556), 5852 states have call predecessors, (22556), 5825 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-12 15:19:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84343 states to 84343 states and 114500 transitions. [2022-07-12 15:19:11,449 INFO L78 Accepts]: Start accepts. Automaton has 84343 states and 114500 transitions. Word has length 297 [2022-07-12 15:19:11,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:11,450 INFO L495 AbstractCegarLoop]: Abstraction has 84343 states and 114500 transitions. [2022-07-12 15:19:11,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 15:19:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 84343 states and 114500 transitions. [2022-07-12 15:19:11,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-12 15:19:11,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:11,454 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:11,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-12 15:19:11,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:19:11,676 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:11,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:11,676 INFO L85 PathProgramCache]: Analyzing trace with hash 299603745, now seen corresponding path program 1 times [2022-07-12 15:19:11,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:19:11,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166142193] [2022-07-12 15:19:11,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:11,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:19:11,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:19:11,679 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:19:11,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 15:19:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:12,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:19:12,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:19:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-12 15:19:17,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:19:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-12 15:19:18,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:19:18,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166142193] [2022-07-12 15:19:18,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166142193] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:19:18,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:19:18,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:19:18,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630136112] [2022-07-12 15:19:18,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:18,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:19:18,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:19:18,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:19:18,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:19:18,960 INFO L87 Difference]: Start difference. First operand 84343 states and 114500 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 15:19:21,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:21,453 INFO L93 Difference]: Finished difference Result 84349 states and 114505 transitions. [2022-07-12 15:19:21,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:19:21,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 302 [2022-07-12 15:19:21,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:21,745 INFO L225 Difference]: With dead ends: 84349 [2022-07-12 15:19:21,745 INFO L226 Difference]: Without dead ends: 84347 [2022-07-12 15:19:21,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:19:21,789 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3596 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:21,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3596 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:19:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84347 states. [2022-07-12 15:19:24,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84347 to 84347. [2022-07-12 15:19:24,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84347 states, 55962 states have (on average 1.2398234516278903) internal successors, (69383), 57632 states have internal predecessors, (69383), 22556 states have call successors, (22556), 5853 states have call predecessors, (22556), 5826 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-12 15:19:24,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84347 states to 84347 states and 114503 transitions. [2022-07-12 15:19:24,834 INFO L78 Accepts]: Start accepts. Automaton has 84347 states and 114503 transitions. Word has length 302 [2022-07-12 15:19:24,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:24,835 INFO L495 AbstractCegarLoop]: Abstraction has 84347 states and 114503 transitions. [2022-07-12 15:19:24,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 15:19:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 84347 states and 114503 transitions. [2022-07-12 15:19:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-12 15:19:24,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:24,839 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 6, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:24,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-12 15:19:25,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:19:25,040 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:25,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash -285056029, now seen corresponding path program 1 times [2022-07-12 15:19:25,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:19:25,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1305636065] [2022-07-12 15:19:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:25,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:19:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:19:25,043 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:19:25,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-12 15:19:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:26,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:19:26,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:19:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-12 15:19:30,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:19:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-12 15:19:32,439 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:19:32,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1305636065] [2022-07-12 15:19:32,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1305636065] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:19:32,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:19:32,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:19:32,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190839599] [2022-07-12 15:19:32,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:32,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:19:32,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:19:32,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:19:32,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:19:32,441 INFO L87 Difference]: Start difference. First operand 84347 states and 114503 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 15:19:34,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:19:34,989 INFO L93 Difference]: Finished difference Result 84353 states and 114508 transitions. [2022-07-12 15:19:34,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:19:34,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 307 [2022-07-12 15:19:34,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:19:35,356 INFO L225 Difference]: With dead ends: 84353 [2022-07-12 15:19:35,356 INFO L226 Difference]: Without dead ends: 84351 [2022-07-12 15:19:35,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:19:35,407 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:19:35,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:19:35,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84351 states. [2022-07-12 15:19:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84351 to 84351. [2022-07-12 15:19:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84351 states, 55965 states have (on average 1.239810595908157) internal successors, (69386), 57635 states have internal predecessors, (69386), 22556 states have call successors, (22556), 5854 states have call predecessors, (22556), 5827 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-12 15:19:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84351 states to 84351 states and 114506 transitions. [2022-07-12 15:19:38,938 INFO L78 Accepts]: Start accepts. Automaton has 84351 states and 114506 transitions. Word has length 307 [2022-07-12 15:19:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:19:38,939 INFO L495 AbstractCegarLoop]: Abstraction has 84351 states and 114506 transitions. [2022-07-12 15:19:38,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 15:19:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 84351 states and 114506 transitions. [2022-07-12 15:19:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-12 15:19:38,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:19:38,945 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:19:38,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-12 15:19:39,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:19:39,162 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:19:39,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:19:39,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1031830299, now seen corresponding path program 1 times [2022-07-12 15:19:39,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:19:39,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2001421743] [2022-07-12 15:19:39,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:19:39,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:19:39,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:19:39,166 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:19:39,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-12 15:19:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:19:40,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:19:40,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:19:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-12 15:19:41,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:19:41,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:19:41,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2001421743] [2022-07-12 15:19:41,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2001421743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:19:41,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:19:41,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:19:41,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028006150] [2022-07-12 15:19:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:19:41,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:19:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:19:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:19:41,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:19:41,035 INFO L87 Difference]: Start difference. First operand 84351 states and 114506 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29)